MPEC 2008-B61 : COMETS C/2007 Y8, 2007 Y9, 2007 Y10, 2008 A3 (SOHO)
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M.P.E.C. 2008-B61 Issued 2008 Jan. 29, 23:17 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
COMETS C/2007 Y8, 2007 Y9, 2007 Y10, 2008 A3 (SOHO)
Observations:
CK07Y080 2S2007 12 28.07922 18 25 35.0 -22 09 39 EB061249
CK07Y080 2s2007 12 28.07922 2 +0.00507086 -0.00771378 -0.00324231 EB061249
CK07Y080 2S2007 12 28.08756 18 25 28.7 -22 07 13 EB061249
CK07Y080 2s2007 12 28.08756 2 +0.00507246 -0.00771333 -0.00324237 EB061249
CK07Y080 2S2007 12 28.10448 18 25 16.6 -22 02 10 EB061249
CK07Y080 2s2007 12 28.10448 2 +0.00507570 -0.00771241 -0.00324249 EB061249
CK07Y080 2S2007 12 28.13059 18 24 58.0 -21 54 54 EB061249
CK07Y080 2s2007 12 28.13059 2 +0.00508071 -0.00771100 -0.00324268 EB061249
CK07Y080 2S2007 12 28.14589 18 24 46.8 -21 50 51 EB061249
CK07Y080 2s2007 12 28.14589 2 +0.00508363 -0.00771017 -0.00324279 EB061249
CK07Y080 2S2007 12 28.16255 18 24 34.5 -21 46 39 EB061249
CK07Y080 2s2007 12 28.16255 2 +0.00508682 -0.00770926 -0.00324291 EB061249
CK07Y080 2S2007 12 28.17088 18 24 28.3 -21 44 29 EB061249
CK07Y080 2s2007 12 28.17088 2 +0.00508842 -0.00770881 -0.00324297 EB061249
CK07Y080 2S2007 12 28.18755 18 24 17.0 -21 40 37 EB061249
CK07Y080 2s2007 12 28.18755 2 +0.00509161 -0.00770790 -0.00324310 EB061249
CK07Y080 2S2007 12 28.20422 18 24 03.8 -21 36 50 EB061249
CK07Y080 2s2007 12 28.20422 2 +0.00509479 -0.00770700 -0.00324322 EB061249
CK07Y090 3S2007 12 28.63776 18 37 24.2 -26 06 11 EB061249
CK07Y090 3s2007 12 28.63776 2 +0.00517729 -0.00768332 -0.00324631 EB061249
CK07Y090 3S2007 12 28.67922 18 37 20.6 -25 57 01 EB061249
CK07Y090 3s2007 12 28.67922 2 +0.00518514 -0.00768104 -0.00324661 EB061249
CK07Y090 3S2007 12 28.69590 18 37 17.1 -25 53 21 EB061249
CK07Y090 3s2007 12 28.69590 2 +0.00518829 -0.00768012 -0.00324672 EB061249
CK07Y090 3S2007 12 28.72089 18 37 17.3 -25 48 50 EB061249
CK07Y090 3s2007 12 28.72089 2 +0.00519302 -0.00767875 -0.00324690 EB061249
CK07Y090 3S2007 12 28.77922 18 37 09.5 -25 36 25 EB061249
CK07Y090 3s2007 12 28.77922 2 +0.00520404 -0.00767553 -0.00324730 EB061249
CK07Y090 3S2007 12 28.84589 18 37 02.3 -25 23 28 EB061249
CK07Y090 3s2007 12 28.84589 2 +0.00521662 -0.00767185 -0.00324777 EB061249
CK07Y090 3S2007 12 28.86255 18 37 00.5 -25 19 57 EB061249
CK07Y090 3s2007 12 28.86255 2 +0.00521976 -0.00767093 -0.00324788 EB061249
CK07Y090 3S2007 12 28.88773 18 36 56.1 -25 14 30 EB061249
CK07Y090 3s2007 12 28.88773 2 +0.00522450 -0.00766954 -0.00324806 EB061249
CK07Y090 3S2007 12 28.90422 18 36 57.7 -25 11 26 EB061249
CK07Y090 3s2007 12 28.90422 2 +0.00522761 -0.00766863 -0.00324817 EB061249
CK07Y090 3S2007 12 28.92922 18 36 52.7 -25 05 15 EB061249
CK07Y090 3s2007 12 28.92922 2 +0.00523231 -0.00766725 -0.00324834 EB061249
CK07Y100 3S2007 12 28.98755 18 41 27.2 -28 05 47 EB061249
CK07Y100 3s2007 12 28.98755 2 +0.00524328 -0.00766401 -0.00324874 EB061249
CK07Y100 3S2007 12 29.01257 18 41 36.9 -28 00 25 EB061249
CK07Y100 3s2007 12 29.01257 2 +0.00524798 -0.00766263 -0.00324891 EB061249
CK07Y100 3S2007 12 29.02922 18 41 35.3 -27 56 59 EB061249
CK07Y100 3s2007 12 29.02922 2 +0.00525111 -0.00766170 -0.00324903 EB061249
CK07Y100 3S2007 12 29.07089 18 41 40.6 -27 49 53 EB061249
CK07Y100 3s2007 12 29.07089 2 +0.00525893 -0.00765939 -0.00324931 EB061249
CK07Y100 3S2007 12 29.09588 18 41 41.5 -27 44 46 EB061249
CK07Y100 3s2007 12 29.09588 2 +0.00526362 -0.00765800 -0.00324948 EB061249
CK07Y100 3S2007 12 29.11257 18 41 42.9 -27 41 53 EB061249
CK07Y100 3s2007 12 29.11257 2 +0.00526675 -0.00765707 -0.00324959 EB061249
CK07Y100 3S2007 12 29.17927 18 41 44.4 -27 31 57 EB061249
CK07Y100 3s2007 12 29.17927 2 +0.00527924 -0.00765336 -0.00325004 EB061249
CK07Y100 3S2007 12 29.22100 18 41 47.5 -27 25 43 EB061249
CK07Y100 3s2007 12 29.22100 2 +0.00528705 -0.00765103 -0.00325032 EB061249
CK07Y100 3S2007 12 29.23755 18 41 50.9 -27 21 31 EB061249
CK07Y100 3s2007 12 29.23755 2 +0.00529014 -0.00765011 -0.00325043 EB061249
CK07Y100 3S2007 12 29.26255 18 41 49.7 -27 16 58 EB061249
CK07Y100 3s2007 12 29.26255 2 +0.00529482 -0.00764871 -0.00325060 EB061249
CK07Y100 3S2007 12 29.27922 18 41 49.1 -27 14 17 EB061249
CK07Y100 3s2007 12 29.27922 2 +0.00529793 -0.00764778 -0.00325071 EB061249
CK07Y100 3S2007 12 29.32090 18 41 52.7 -27 05 47 EB061249
CK07Y100 3s2007 12 29.32090 2 +0.00530571 -0.00764545 -0.00325099 EB061249
CK07Y100 3S2007 12 29.40458 18 41 55.4 -26 51 57 EB061249
CK07Y100 3s2007 12 29.40458 2 +0.00532131 -0.00764077 -0.00325154 EB061249
CK07Y100 3S2007 12 29.43309 18 41 53.3 -26 46 44 EB061249
CK07Y100 3s2007 12 29.43309 2 +0.00532662 -0.00763917 -0.00325173 EB061249
CK07Y100 3S2007 12 29.47097 18 41 53.5 -26 39 37 EB061249
CK07Y100 3s2007 12 29.47097 2 +0.00533367 -0.00763704 -0.00325198 EB061249
CK07Y100 3S2007 12 29.48755 18 41 54.6 -26 36 43 EB061249
CK07Y100 3s2007 12 29.48755 2 +0.00533675 -0.00763611 -0.00325209 EB061249
CK07Y100 3S2007 12 29.51257 18 41 56.3 -26 32 31 EB061249
CK07Y100 3s2007 12 29.51257 2 +0.00534140 -0.00763470 -0.00325225 EB061249
CK07Y100 3S2007 12 29.52922 18 41 54.7 -26 28 24 EB061249
CK07Y100 3s2007 12 29.52922 2 +0.00534449 -0.00763377 -0.00325236 EB061249
CK07Y100 3S2007 12 29.57088 18 41 50.9 -26 19 52 EB061249
CK07Y100 3s2007 12 29.57088 2 +0.00535223 -0.00763142 -0.00325263 EB061249
CK07Y100 3S2007 12 29.59589 18 41 51.7 -26 16 38 EB061249
CK07Y100 3s2007 12 29.59589 2 +0.00535686 -0.00763001 -0.00325280 EB061249
CK07Y100 3S2007 12 29.61256 18 41 52.6 -26 13 26 EB061249
CK07Y100 3s2007 12 29.61256 2 +0.00535996 -0.00762907 -0.00325290 EB061249
CK07Y100 3S2007 12 29.63775 18 41 49.4 -26 08 24 EB061249
CK07Y100 3s2007 12 29.63775 2 +0.00536463 -0.00762765 -0.00325307 EB061249
CK07Y100 3S2007 12 29.65423 18 41 51.2 -26 05 30 EB061249
CK07Y100 3s2007 12 29.65423 2 +0.00536768 -0.00762672 -0.00325317 EB061249
CK07Y100 3S2007 12 29.67924 18 41 48.3 -26 00 17 EB061249
CK07Y100 3s2007 12 29.67924 2 +0.00537231 -0.00762531 -0.00325333 EB061249
CK07Y100 3S2007 12 29.69589 18 41 49.3 -25 57 29 EB061249
CK07Y100 3s2007 12 29.69589 2 +0.00537539 -0.00762437 -0.00325344 EB061249
CK07Y100 3S2007 12 29.72089 18 41 46.9 -25 52 44 EB061249
CK07Y100 3s2007 12 29.72089 2 +0.00538002 -0.00762296 -0.00325360 EB061249
CK07Y100 3S2007 12 29.73756 18 41 44.0 -25 49 25 EB061249
CK07Y100 3s2007 12 29.73756 2 +0.00538310 -0.00762202 -0.00325371 EB061249
CK07Y100 3S2007 12 29.76255 18 41 43.3 -25 44 26 EB061249
CK07Y100 3s2007 12 29.76255 2 +0.00538772 -0.00762060 -0.00325387 EB061249
CK07Y100 3S2007 12 29.77922 18 41 43.0 -25 41 02 EB061249
CK07Y100 3s2007 12 29.77922 2 +0.00539080 -0.00761966 -0.00325397 EB061249
CK07Y100 3S2007 12 29.82089 18 41 37.4 -25 32 56 EB061249
CK07Y100 3s2007 12 29.82089 2 +0.00539849 -0.00761730 -0.00325424 EB061249
CK07Y100 3S2007 12 29.84588 18 41 36.1 -25 28 11 EB061249
CK07Y100 3s2007 12 29.84588 2 +0.00540310 -0.00761588 -0.00325439 EB061249
CK07Y100 3S2007 12 29.86256 18 41 32.7 -25 25 02 EB061249
CK07Y100 3s2007 12 29.86256 2 +0.00540618 -0.00761493 -0.00325450 EB061249
CK07Y100 3S2007 12 29.88783 18 41 31.0 -25 19 04 EB061249
CK07Y100 3s2007 12 29.88783 2 +0.00541084 -0.00761350 -0.00325466 EB061249
CK07Y100 3S2007 12 29.90422 18 41 29.5 -25 16 23 EB061249
CK07Y100 3s2007 12 29.90422 2 +0.00541386 -0.00761257 -0.00325476 EB061249
CK07Y100 3S2007 12 29.92923 18 41 25.0 -25 11 06 EB061249
CK07Y100 3s2007 12 29.92923 2 +0.00541846 -0.00761115 -0.00325492 EB061249
CK07Y100 3S2007 12 29.97097 18 41 18.0 -25 02 00 EB061249
CK07Y100 3s2007 12 29.97097 2 +0.00542615 -0.00760877 -0.00325518 EB061249
CK07Y100 3S2007 12 29.98757 18 41 13.8 -24 58 05 EB061249
CK07Y100 3s2007 12 29.98757 2 +0.00542920 -0.00760783 -0.00325528 EB061249
CK07Y100 3S2007 12 30.01255 18 41 11.4 -24 52 43 EB061249
CK07Y100 3s2007 12 30.01255 2 +0.00543379 -0.00760640 -0.00325544 EB061249
CK07Y100 3S2007 12 30.02923 18 41 06.0 -24 49 29 EB061249
CK07Y100 3s2007 12 30.02923 2 +0.00543686 -0.00760545 -0.00325554 EB061249
CK07Y100 3S2007 12 30.07089 18 40 56.5 -24 39 59 EB061249
CK07Y100 3s2007 12 30.07089 2 +0.00544450 -0.00760308 -0.00325580 EB061249
CK07Y100 3S2007 12 30.09590 18 40 50.1 -24 34 22 EB061249
CK07Y100 3s2007 12 30.09590 2 +0.00544909 -0.00760165 -0.00325595 EB061249
CK07Y100 3S2007 12 30.11255 18 40 44.3 -24 30 19 EB061249
CK07Y100 3s2007 12 30.11255 2 +0.00545215 -0.00760070 -0.00325605 EB061249
CK07Y100 3S2007 12 30.13755 18 40 33.3 -24 24 11 EB061249
CK07Y100 3s2007 12 30.13755 2 +0.00545673 -0.00759927 -0.00325621 EB061249
CK07Y100 2S2007 12 30.14597 18 40 32.9 -24 22 34 EB061249
CK07Y100 2s2007 12 30.14597 2 +0.00545828 -0.00759879 -0.00325626 EB061249
CK07Y100 2S2007 12 30.16255 18 40 26.5 -24 18 22 EB061249
CK07Y100 2s2007 12 30.16255 2 +0.00546132 -0.00759784 -0.00325636 EB061249
CK07Y100 2S2007 12 30.17088 18 40 23.8 -24 16 24 EB061249
CK07Y100 2s2007 12 30.17088 2 +0.00546284 -0.00759736 -0.00325641 EB061249
CK07Y100 2S2007 12 30.18755 18 40 16.7 -24 12 18 EB061249
CK07Y100 2s2007 12 30.18755 2 +0.00546589 -0.00759641 -0.00325651 EB061249
CK07Y100 2S2007 12 30.22922 18 39 57.7 -24 01 39 EB061249
CK07Y100 2s2007 12 30.22922 2 +0.00547352 -0.00759402 -0.00325676 EB061249
CK07Y100 2S2007 12 30.24589 18 39 46.6 -23 57 04 EB061249
CK07Y100 2s2007 12 30.24589 2 +0.00547657 -0.00759306 -0.00325686 EB061249
CK07Y100 2S2007 12 30.25422 18 39 42.0 -23 54 41 EB061249
CK07Y100 2s2007 12 30.25422 2 +0.00547809 -0.00759259 -0.00325691 EB061249
CK08A030 2S2008 01 15.58755 19 52 13.9 -20 38 33 EB061249
CK08A030 2s2008 01 15.58755 2 +0.00781988 -0.00646048 -0.00323772 EB061249
CK08A030 2S2008 01 15.63060 19 51 17.7 -20 34 54 EB061249
CK08A030 2s2008 01 15.63060 2 +0.00782402 -0.00645732 -0.00323747 EB061249
CK08A030 2S2008 01 15.64589 19 50 55.6 -20 33 35 EB061249
CK08A030 2s2008 01 15.64589 2 +0.00782548 -0.00645619 -0.00323738 EB061249
CK08A030 2S2008 01 15.66255 19 50 34.3 -20 32 14 EB061249
CK08A030 2s2008 01 15.66255 2 +0.00782708 -0.00645497 -0.00323729 EB061249
CK08A030 2S2008 01 15.67088 19 50 22.2 -20 31 38 EB061249
CK08A030 2s2008 01 15.67088 2 +0.00782787 -0.00645436 -0.00323724 EB061249
CK08A030 2S2008 01 15.68755 19 49 58.4 -20 30 36 EB061249
CK08A030 2s2008 01 15.68755 2 +0.00782947 -0.00645314 -0.00323714 EB061249
CK08A030 2S2008 01 15.70422 19 49 35.9 -20 29 03 EB061249
CK08A030 2s2008 01 15.70422 2 +0.00783106 -0.00645191 -0.00323705 EB061249
CK08A030 2S2008 01 15.71255 19 49 25.2 -20 28 46 EB061249
CK08A030 2s2008 01 15.71255 2 +0.00783185 -0.00645130 -0.00323700 EB061249
CK08A030 2S2008 01 15.97922 19 43 03.2 -20 12 40 EB061249
CK08A030 2s2008 01 15.97922 2 +0.00785708 -0.00643180 -0.00323549 EB061249
CK08A030 2S2008 01 15.99589 19 42 39.2 -20 11 50 EB061249
CK08A030 2s2008 01 15.99589 2 +0.00785865 -0.00643058 -0.00323539 EB061249
CK08A030 2S2008 01 16.00422 19 42 28.0 -20 11 34 EB061249
CK08A030 2s2008 01 16.00422 2 +0.00785942 -0.00642998 -0.00323535 EB061249
CK08A030 2S2008 01 16.02115 19 42 05.3 -20 10 54 EB061249
CK08A030 2s2008 01 16.02115 2 +0.00786101 -0.00642875 -0.00323525 EB061249
CK08A030 2S2008 01 16.03755 19 41 41.6 -20 10 23 EB061249
CK08A030 2s2008 01 16.03755 2 +0.00786254 -0.00642755 -0.00323516 EB061249
CK08A030 2S2008 01 16.04589 19 41 31.3 -20 10 02 EB061249
CK08A030 2s2008 01 16.04589 2 +0.00786332 -0.00642694 -0.00323511 EB061249
CK08A030 2S2008 01 16.06255 19 41 08.5 -20 09 23 EB061249
CK08A030 2s2008 01 16.06255 2 +0.00786488 -0.00642573 -0.00323502 EB061249
CK08A030 2S2008 01 16.07922 19 40 46.8 -20 08 52 EB061249
CK08A030 2s2008 01 16.07922 2 +0.00786643 -0.00642452 -0.00323493 EB061249
CK08A030 2S2008 01 16.08755 19 40 35.7 -20 08 30 EB061249
CK08A030 2s2008 01 16.08755 2 +0.00786721 -0.00642391 -0.00323488 EB061249
CK08A030 2S2008 01 16.10422 19 40 14.0 -20 08 02 EB061249
CK08A030 2s2008 01 16.10422 2 +0.00786876 -0.00642270 -0.00323479 EB061249
Observer details:
249 SOHO. SOHO-LASCO coronagraphs C2 and C3. Comet detections by R. Kracht,
R. Matson and B. Zhou, measurements by K. Battams, reductions by
B. G. Marsden.
Orbital elements:
Comet T q e Peri. Node Incl. C
CK07Y080 2007 Dec. 28.18 0.0344 1.0 56.95 73.61 72.77 X
CK07Y090 2007 Dec. 29.41 0.0050 1.0 96.17 18.61 140.64 X
CK07Y100 2007 Dec. 30.43 0.0051 1.0 84.78 5.93 144.40 X
CK08A030 2008 Jan. 15.75 0.0493 1.0 33.70 70.18 22.28 X
R. Kracht has suggested the identity of the Marsden-group comet
C/2008 A3 with C/2002 R1 (cf. MPEC 2002-R57). The following linkage (all
the observations having been made with the C2 coronagraph), by the
undersigned, yields for the previous perihelion passage T = 1997 Apr. 19.0.
Epoch 2002 Sept. 3.0 TT = JDT 2452520.5
T 2002 Sept. 2.53937 TT MPC
q 0.0483786 (2000.0) P Q
n 0.18363342 Peri. 33.66510 -0.19513861 -0.91234918
a 3.0655017 Node 69.91968 +0.79398466 -0.36238453
e 0.9842184 Incl. 22.53272 +0.57576843 +0.19051619
P 5.37
Epoch 2008 Jan. 15.0 TT = JDT 2454480.5
T 2008 Jan. 15.74887 TT MPC
q 0.0486856 (2000.0) P Q
n 0.18348019 Peri. 33.91712 -0.19587682 -0.91322641
a 3.0672082 Node 69.69445 +0.79376076 -0.36159327
e 0.9841271 Incl. 22.39288 +0.57582647 +0.18779732
P 5.37
Residuals in seconds of arc
K0292 249 8.7+ 17.9+ Y K0292 249 2.1+ 8.3- Y K081F 249 14.8- 5.3+ Y
K0292 249 5.1+ 11.1- Y K0292 249 6.5- 1.3- Y K081F 249 5.7+ 6.8+ Y
K0292 249(36.4- 3.7-)Y K0292 249 9.1+ 10.7+ Y K081F 249 3.2- 3.6+ Y
K0292 249(21.7+ 33.7+)Y K0292 249 19.1- 14.1- Y K081F 249 13.0- 11.8- Y
K0292 249 8.5- 7.9+ Y K0292 249(22.1- 17.4+)Y K081F 249 1.8- 5.4+ Y
K0292 249 7.1- 14.7+ Y K0292 249 2.7- 7.0- Y K081F 249 12.3+ 14.9- Y
K0292 249 10.9- 1.8+ Y K0292 249 13.4+ 14.8+ Y K081F 249 5.0+ 0.9+ Y
K0292 249 6.4- 14.0+ Y K0292 249 (7.3- 30.2-)Y K081F 249 5.8- 8.0+ Y
K0292 249 4.2- 6.0+ Y K0292 249 13.5- 14.2+ Y K081G 249 0.9- 3.2+ Y
K0292 249(30.1+ 15.6+)Y K0292 249(11.9- 34.5-)Y K081G 249 7.8+ 2.5+ Y
K0292 249 7.8- 5.3+ Y K0292 249 12.5- 14.7+ Y K081G 249 10.6- 4.2- Y
K0292 249 17.3+ 12.3+ Y K0292 249 14.2+ 4.7- Y K081G 249 3.6+ 1.7- Y
K0292 249 0.7- 13.3+ Y K0292 249 6.8- 10.0- Y K081G 249 1.5- 1.7+ Y
K0292 249(28.3- 1.5-)Y K0292 249(17.5- 30.1+)Y K081G 249 5.9+ 1.2- Y
K0292 249 4.3+ 0.5+ Y K0292 249 7.3+ 17.6- Y K081G 249 4.8+ 4.6+ Y
K0292 249 7.8+ 17.3- Y K081F 249 6.1- 4.0- Y K081G 249 7.2+ 1.2+ Y
K0292 249 0.1- 13.2+ Y K081F 249 5.2+ 0.5+ Y
On MPEC 2008-B48, line 6 from foot, for R. Kracht read T. Hoffman
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-B61
Read MPEC 2008-B60
Read MPEC 2008-B62
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