[Iaude] MPEC Y112: 2023 DB2 [a=1.04,e=0.23,i=12.5,H=21.88]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sun Dec 31 09:10:06 EST 2023
M.P.E.C. 2023-Y112 Issued 2023 December 31, 14:08 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. They are published
on behalf of Division F 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2023 DB2
Revision to MPEC 2023-E20
Additional Observations:
K23D02B KC2023 12 16.45130 09 47 41.40 -05 37 08.7 23.5 RVEY112291
K23D02B KC2023 12 16.47204 09 47 41.93 -05 37 06.1 23.3 RVEY112291
K23D02B KC2023 12 16.49278 09 47 42.44 -05 37 02.8 23.3 RVEY112291
K23D02B C2023 12 23.60275309 49 53.935-05 04 12.38 22.80GVEY112F51
K23D02B C2023 12 23.61621309 49 53.925-05 04 06.35 22.53GVEY112F51
K23D02B C2023 12 23.62973409 49 53.907-05 04 00.10 22.64GVEY112F51
Observer details:
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
231216 291 3.0+ 3.6+ 231223 F51 4.9+ 3.8+ MPO782812 -0.00 days
Orbital elements:
2023 DB2 Earth MOID = 0.1991 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 54.10164 (2000.0) P Q
n 0.92941565 Peri. 171.76169 +0.62093708 +0.76952568
a 1.0399107 Node 136.45182 -0.73095908 +0.63719189
e 0.2309279 Incl. 12.50881 -0.28308297 +0.04262293
P 1.06 H 21.88 G 0.15 U 3
Residuals in seconds of arc
230212 G96 0.1+ 0.2- 230301 N88 0.1- 0.4- 230311 A17 0.2+ 0.0
230212 G96 0.4+ 0.2- 230302 I93 0.9- 0.7+ 230311 A17 0.4+ 0.1+
230226 N87 0.3- 0.2+ 230302 I93 0.2+ 0.2+ 230311 A17 0.1- 0.4-
230226 N87 0.4- 0.1+ 230302 H21 0.0 0.2+ 230329 G96 0.1+ 0.0
230226 N87 0.1- 0.2- 230302 H21 0.1- 0.2+ 230329 G96 0.1+ 0.1+
230226 N87 0.3+ 0.2- 230302 H21 0.0 0.4+ 230329 G96 0.1- 0.1+
230226 N87 0.0 0.4- 230302 H21 0.1- 0.3+ 230329 G96 0.2- 0.4-
230226 N87 0.3- 0.2- 230302 N88 0.5- 0.2+ 231216 291 0.8- 0.4+
230301 H21 (0.6- 0.1-) 230302 N88 0.8- 0.1+ 231216 291 0.2- 0.1-
230301 H21 (0.4- 0.5-) 230302 N88 0.6+ 0.5- 231216 291 0.2+ 0.1+
230301 H21 0.2- 0.5- 230302 O49 0.3+ 0.2- 231223 F51 0.1- 0.5-
230301 N88 0.0 0.2+ 230302 O49 0.3+ 0.2- 231223 F51 0.1+ 0.0
230301 N88 0.0 0.1- 230302 O49 (1.8+ 0.4-) 231223 F51 0.0 0.6+
Ephemeris:
2023 DB2 a,e,i = 1.04, 0.23, 13 q = 0.7998
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 12 01 09 34 43.8 -05 22 48 0.5610 1.2144 99.8 53.2 23.0
...
2023 12 16 09 47 27.4 -05 38 02 0.4847 1.2444 111.2 47.5 22.6
...
2023 12 24 09 49 56.4 -05 01 15 0.4420 1.2568 118.6 43.4 22.3
...
2023 12 30 09 49 18.7 -04 04 13 0.4104 1.2643 125.0 39.6 22.0
2023 12 31 09 48 58.3 -03 51 46 0.4053 1.2655 126.2 38.9 22.0
2024 01 01 09 48 33.5 -03 38 24 0.4002 1.2665 127.3 38.1 21.9
...
2024 01 07 09 44 28.6 -01 57 06 0.3706 1.2721 134.8 33.2 21.6
...
2024 01 15 09 34 22.3 +01 22 20 0.3361 1.2773 146.4 25.2 21.2
...
2024 01 30 09 01 26.6 +10 59 34 0.2969 1.2797 172.2 6.0 20.2
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-Y112
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