MPEC 2008-L45 : COMET P/1997 V1 = 2008 L1 (LARSEN)
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M.P.E.C. 2008-L45 Issued 2008 June 10, 15:27 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
COMET P/1997 V1 = 2008 L1 (LARSEN)
Observations:
PK08L010 C2008 06 09.44185 00 25 34.60 +13 29 14.0 20.2 T EL045291
PK08L010 C2008 06 09.44917 00 25 34.99 +13 29 17.7 20.2 T EL045291
PK08L010 C2008 06 09.45697 00 25 35.54 +13 29 21.0 EL045291
PK08L010 C2008 06 10.43824 00 26 35.00 +13 36 42.9 21.1 T EL045291
PK08L010 C2008 06 10.44554 00 26 35.38 +13 36 46.0 20.2 T EL045291
PK08L010 C2008 06 10.45301 00 26 35.85 +13 36 49.6 20.4 T EL045291
Observer details:
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
Orbital elements:
P/1997 V1 = 2008 L1 (Larsen)
Epoch 1997 Sept. 29.0 TT = JDT 2450720.5
T 1997 Sept. 14.8599 TT MPC
q 3.293043 (2000.0) P Q
n 0.0900133 Peri. 132.8109 +0.9777897 -0.1208669
a 4.930961 Node 234.8430 +0.0696787 +0.9579599
e 0.332170 Incl. 12.0890 +0.1976669 +0.2602001
P 10.9
Epoch 2008 Sept. 11.0 TT = JDT 2454720.5
T 2008 Aug. 25.1744 TT MPC
q 3.271999 (2000.0) P Q
n 0.0906677 Peri. 133.7286 +0.9757323 -0.1359879
a 4.907208 Node 234.8163 +0.0844817 +0.9568877
e 0.333226 Incl. 12.1214 +0.2020130 +0.2566577
P 10.9
From 266 observations 1997-2008, mean residual 0".5.
Ephemeris:
P/1997 V1 = 2008 L1 (Larsen)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 06 03 00 18.89 +12 39.9 3.625 3.304 63.7 16.0 20.0
2008 06 13 00 29.13 +13 55.7 3.497 3.296 70.3 16.9 19.9
2008 06 23 00 38.55 +15 06.8 3.363 3.290 77.2 17.5 19.8
2008 07 03 00 47.00 +16 12.0 3.227 3.285 84.3 17.9 19.7
2008 07 13 00 54.31 +17 10.2 3.090 3.281 91.6 18.0 19.6
2008 07 23 01 00.31 +18 00.1 2.954 3.277 99.4 17.8 19.5
2008 08 02 01 04.79 +18 40.1 2.823 3.274 107.5 17.2 19.4
2008 08 12 01 07.59 +19 08.7 2.698 3.273 116.1 16.1 19.3
2008 08 22 01 08.60 +19 23.9 2.584 3.272 125.1 14.6 19.2
2008 09 01 01 07.77 +19 24.3 2.484 3.272 134.6 12.7 19.1
2008 09 11 01 05.19 +19 08.5 2.401 3.273 144.5 10.3 19.1
2008 09 21 01 01.17 +18 36.3 2.340 3.275 154.5 7.6 19.0
2008 10 01 00 56.14 +17 48.8 2.304 3.278 164.0 4.8 19.0
2008 10 11 00 50.72 +16 49.2 2.295 3.282 169.5 3.2 19.0
2008 10 21 00 45.59 +15 42.1 2.315 3.287 165.1 4.5 19.0
2008 10 31 00 41.36 +14 33.2 2.362 3.292 155.7 7.1 19.0
2008 11 10 00 38.55 +13 28.2 2.436 3.299 145.4 9.8 19.1
2008 11 20 00 37.47 +12 31.7 2.532 3.306 135.1 12.2 19.2
2008 11 30 00 38.24 +11 46.9 2.648 3.315 125.1 14.1 19.3
2008 12 10 00 40.88 +11 15.5 2.779 3.324 115.5 15.5 19.4
2008 12 20 00 45.27 +10 57.6 2.922 3.334 106.3 16.5 19.6
2008 12 30 00 51.25 +10 52.8 3.072 3.344 97.5 17.0 19.7
2009 01 09 00 58.65 +10 59.9 3.226 3.356 89.0 17.0 19.8
2009 01 19 01 07.27 +11 17.2 3.380 3.368 80.9 16.8 19.9
2009 01 29 01 16.96 +11 43.2 3.533 3.381 73.1 16.2 20.0
2009 02 08 01 27.55 +12 16.2 3.682 3.395 65.6 15.3 20.1
2009 02 18 01 38.90 +12 54.5 3.824 3.410 58.3 14.3 20.2
2009 02 28 01 50.90 +13 36.8 3.958 3.425 51.2 13.0 20.3
2009 03 10 02 03.44 +14 21.4 4.081 3.441 44.3 11.6 20.4
2009 03 20 02 16.43 +15 07.3 4.194 3.458 37.5 10.1 20.5
2009 03 30 02 29.79 +15 53.2 4.294 3.475 30.9 8.5 20.6
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-L45
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