MPEC 2008-H45 : 2008 HF2
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M.P.E.C. 2008-H45 Issued 2008 Apr. 28, 19:21 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
2008 HF2
Observations:
K08H02F* C2008 04 27.37530 16 09 59.76 -09 17 03.9 20.0 V EH045691
K08H02F C2008 04 27.39291 16 09 58.51 -09 16 35.7 20.2 V EH045691
K08H02F C2008 04 27.41054 16 09 57.34 -09 16 06.3 20.5 V EH045691
K08H02F C2008 04 27.45938 16 09 53.96 -09 14 46.3 21.0 V EH045291
K08H02F C2008 04 27.46494 16 09 53.58 -09 14 36.8 20.8 V EH045291
K08H02F C2008 04 27.46875 16 09 53.30 -09 14 30.5 20.6 V EH045291
K08H02F C2008 04 28.27535 16 09 00.45 -08 52 01.6 EH045291
K08H02F C2008 04 28.27914 16 09 00.17 -08 51 55.5 EH045291
K08H02F C2008 04 28.28294 16 08 59.87 -08 51 48.8 EH045291
K08H02F C2008 04 28.29636 16 08 58.68 -08 51 27.2 20.8 R EH045734
K08H02F C2008 04 28.30512 16 08 58.07 -08 51 13.2 20.3 R EH045734
K08H02F C2008 04 28.31387 16 08 57.47 -08 50 58.6 20.5 R EH045734
K08H02F C2008 04 28.39855 16 08 51.31 -08 48 32.8 20.0 R EH045H01
K08H02F C2008 04 28.40436 16 08 50.88 -08 48 22.6 19.9 R EH045H01
K08H02F C2008 04 28.40537 16 08 50.83 -08 48 21.6 20.2 R EH045854
K08H02F C2008 04 28.41020 16 08 50.46 -08 48 12.9 19.9 R EH045H01
K08H02F C2008 04 28.41189 16 08 50.31 -08 48 10.0 19.8 R EH045H01
K08H02F C2008 04 28.41399 16 08 50.18 -08 48 06.0 20.1 R EH045854
K08H02F C2008 04 28.44579 16 08 47.80 -08 47 10.2 20.4 V EH045291
K08H02F C2008 04 28.44956 16 08 47.56 -08 47 05.2 20.8 V EH045291
K08H02F C2008 04 28.45371 16 08 47.25 -08 46 57.6 20.8 V EH045291
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer T. H. Bressi. 0.9-m f/3
reflector + CCD.
734 Farpoint Observatory. Observer G. Hug. 0.7-m reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD
Orbital elements:
2008 HF2 Earth MOID = 0.1731 AU
Epoch 2008 May 14.0 TT = JDT 2454600.5 MPC
M 326.43416 (2000.0) P Q
n 0.42838179 Peri. 153.59469 +0.99214965 -0.02962695
a 1.7428047 Node 208.90012 +0.00693710 +0.98307455
e 0.7576335 Incl. 14.56019 +0.12486373 +0.18079454
P 2.30 H 19.7 G 0.15 U 9
Residuals in seconds of arc
080427 691 0.1- 0.2+ 080428 291 0.1+ 0.0 080428 854 0.0 1.1-
080427 691 0.5- 0.4- 080428 291 0.3- 0.2+ 080428 H01 0.5+ 0.4-
080427 691 0.2+ 0.1+ 080428 734 0.2- 0.5+ 080428 H01 0.1+ 0.4-
080427 291 0.2+ 0.2- 080428 734 0.3+ 0.4- 080428 854 0.2- 0.2-
080427 291 0.2+ 0.1+ 080428 734 1.0+ 0.7- 080428 291 0.5- 0.9+
080427 291 0.0 0.1+ 080428 H01 0.3+ 0.3- 080428 291 0.1+ 0.5-
080428 291 0.1+ 0.3+ 080428 H01 0.3+ 0.1- 080428 291 0.0 0.1-
Ephemeris:
2008 HF2 a,e,i = 1.74, 0.76, 15 q = 0.4224
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 04 24 16 13.15 -10 42.7 0.690 1.637 149.1 18.4 20.9
2008 05 04 16 00.92 -05 47.8 0.545 1.529 158.9 13.8 20.1
2008 05 14 15 37.75 +01 45.6 0.423 1.415 159.3 14.6 19.4
2008 05 24 14 58.28 +13 00.2 0.333 1.293 142.5 28.4 19.1
2008 06 03 13 54.76 +27 30.0 0.283 1.164 115.4 51.9 19.2
2008 06 13 12 21.23 +40 47.1 0.276 1.028 84.7 79.8 19.8
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-H45
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