MPEC 2012-Y29 : P/1999 D1 = 2012 Y2 (Hermann)
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Read MPEC 2012-Y28
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M.P.E.C. 2012-Y29 Issued 2012 Dec. 25, 18:44 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 https://www.minorplanetcenter.net/ ISSN 1523-6714
P/1999 D1 = 2012 Y2 (Hermann)
Observations:
PK12Y020 C2012 12 22.61271 13 03 33.113-03 10 16.08 20.2 TLEY029F51
PK12Y020 C2012 12 22.61730 13 03 33.674-03 10 23.41 20.1 TLEY029F51
PK12Y020 C2012 12 22.62192 13 03 34.229-03 10 30.77 20.5 TLEY029F51
PK12Y020 C2012 12 22.62652 13 03 34.788-03 10 38.14 20.3 TLEY029F51
PK12Y020 |C2012 12 25.33551 13 09 04.46 -04 22 20.5 19.7 TuEY029807
PK12Y020 |C2012 12 25.33952 13 09 04.95 -04 22 26.9 19.9 TuEY029807
PK12Y020 |C2012 12 25.34353 13 09 05.40 -04 22 33.2 19.7 TuEY029807
PK12Y020 |C2012 12 25.34753 13 09 05.90 -04 22 39.7 19.9 TuEY029807
PK12Y020 |C2012 12 25.35153 13 09 06.38 -04 22 46.0 19.6 TuEY029807
Observer details:
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.41-m f/11
Ritchey-Chretien + CCD.
F51 Pan-STARRS 1, Haleakala. Observers N. Primak, A. Schultz, S. Watters,
T. Goggia. Measurer PS1 Science Consortium. 1.8-m Ritchey-Chretien
+ CCD.
Orbital elements:
P/1999 D1 = 2012 Y2 (Hermann)
Epoch 2012 Dec. 19.0 TT = JDT 2456280.5
T 2012 Dec. 27.28058 TT MPC
q 1.6437649 (2000.0) P Q
n 0.07148053 Peri. 173.98412 -0.95636822 -0.28341390
a 5.7501286 Node 348.75560 +0.25058860 -0.67081936
e 0.7141342 Incl. 21.34274 +0.15021710 -0.68533054
P 13.8
From 121 observations 1999 Feb. 20-2012 Dec. 25, mean residual 0".8.
P/1999 D1 = 2012 Y2 (Hermann)
Epoch 1999 Mar. 3.0 TT = JDT 2451240.5
T 1999 Feb. 18.02221 TT MPC
q 1.6547739 (2000.0) P Q
n 0.07117879 Peri. 173.09513 -0.95511526 -0.28840735
a 5.7663677 Node 349.37674 +0.25121144 -0.66753088
e 0.7130301 Incl. 21.52734 +0.15699572 -0.68645737
P 13.8
From 121 observations 1999 Feb. 20-2012 Dec. 25, mean residual 0".8.
P/1999 D1 = 2012 Y2 (Hermann)
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5
T 2012 Dec. 27.27397 TT MPC
q 1.6437895 (2000.0) P Q
n 0.07147707 Peri. 173.97948 -0.95634774 -0.28348392
a 5.7503142 Node 348.75609 +0.25063560 -0.67080331
e 0.7141392 Incl. 21.34258 +0.15026909 -0.68531729
P 13.8
From 121 observations 1999 Feb. 20-2012 Dec. 25, mean residual 0".8.
P/1999 D1 = 2012 Y2 (Hermann)
Epoch 2026 Nov. 16.0 TT = JDT 2461360.5
T 2026 Oct. 27.86516 TT MPC
q 1.6595615 (2000.0) P Q
n 0.07049118 Peri. 173.81783 -0.95527259 -0.28708039
a 5.8038057 Node 348.70534 +0.25342431 -0.67097483
e 0.7140563 Incl. 21.25050 +0.15241522 -0.68365022
P 14.0
From 121 observations 1999 Feb. 20-2012 Dec. 25, mean residual 0".8.
Ephemeris:
P/1999 D1 (Hermann)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2012 11 25 12 04 06.7 +08 35 24 1.8292 1.6838 65.7 32.3 20.6
...
2012 12 10 12 37 07.6 +02 19 01 1.6965 1.6554 70.6 34.1 20.3
...
2012 12 18 12 54 02.5 -01 08 46 1.6304 1.6471 73.5 34.9 20.2
...
2012 12 24 13 06 22.1 -03 46 56 1.5831 1.6442 75.7 35.4 20.2
2012 12 25 13 08 23.5 -04 13 27 1.5754 1.6440 76.1 35.5 20.1
2012 12 26 13 10 24.3 -04 40 01 1.5678 1.6438 76.4 35.6 20.1
...
2013 01 01 13 22 17.2 -07 20 06 1.5231 1.6446 78.8 35.9 20.1
...
2013 01 09 13 37 32.2 -10 54 52 1.4664 1.6501 82.1 36.2 20.0
...
2013 01 24 14 03 49.8 -17 38 05 1.3693 1.6734 89.1 36.0 19.9
Gareth V. Williams (C) Copyright 2012 MPC M.P.E.C. 2012-Y29
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