MPEC 2022-M85 : 2021 DQ2
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Read MPEC 2022-M84
Read MPEC 2022-M86
M.P.E.C. 2022-M85 Issued 2022 June 27, 14:09 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2021 DQ2
Revision to MPEC 2021-E126
Additional Observations:
K21D02Q C2010 02 04.54030510 30 42.370+29 22 36.89 21.98GVEM085F51
K21D02Q C2010 02 04.55055510 30 41.763+29 22 42.45 22.39GVEM085F51
K21D02Q C2010 02 16.39422610 15 40.872+31 07 09.42 21.02GVEM085F51
K21D02Q C2010 02 16.40373510 15 39.920+31 07 13.89 21.20GVEM085F51
K21D02Q C2010 02 22.49585210 05 06.593+31 44 41.40 21.55GVEM085F51
K21D02Q C2010 02 22.50749710 05 05.225+31 44 44.34 21.36GVEM085F51
K21D02Q C2010 02 24.31099410 01 43.901+31 52 15.66 20.94GVEM085F51
K21D02Q C2010 03 11.43421209 32 15.075+31 30 11.20 20.89GVEM085F51
K21D02Q C2010 03 11.44337009 32 13.982+31 30 07.22 21.52GVEM085F51
K21D02Q C2010 03 13.33777309 28 50.033+31 15 18.64 20.94GVEM085F51
K21D02Q C2010 03 13.34664409 28 48.978+31 15 14.33 21.08GVEM085F51
K21D02Q C2010 03 17.42711309 22 00.488+30 33 54.97 20.12GVEM085F51
K21D02Q C2010 03 17.43775809 21 59.386+30 33 47.57 20.67GVEM085F51
K21D02Q C2021 02 11.41566011 17 41.419+24 28 10.84 21.79GVEM085F52
K21D02Q C2021 02 11.42652111 17 41.113+24 28 15.35 22.25GVEM085F52
K21D02Q C2021 02 11.43741211 17 40.788+24 28 19.63 21.45GVEM085F52
K21D02Q C2021 02 11.44832111 17 40.461+24 28 24.10 21.53GVEM085F52
K21D02Q C2021 03 18.44677610 32 27.394+25 05 14.54 20.34GVEM085F51
K21D02Q C2021 03 18.45944110 32 25.824+25 05 05.95 20.35GVEM085F51
K21D02Q C2021 03 18.47213610 32 24.250+25 04 57.30 20.07GVEM085F51
K21D02Q C2021 09 09.25084719 31 07.925-35 56 53.60 23.53GVEM085F51
K21D02Q C2021 09 09.25928319 31 08.873-35 56 43.78 22.86GVEM085F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber, Y.
Ramanjooloo, P. VanWylen, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien
+ CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber,
Y. Ramanjooloo, P. VanWylen, R. Wainscoat, R. Weryk. 1.8-m Ritchey-
Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
100204 F51 0.05+ 0.02+ 210909 F51 0.00+ 0.00+ MPO641156 -0.00 days
Orbital elements:
2021 DQ2 Earth MOID = 0.0930 AU
Epoch 2022 Aug. 9.0 TT = JDT 2459800.5 Veres
M 160.18879 (2000.0) P Q
n 0.35918846 Peri. 215.65518 -0.63170125 +0.77419311
a 1.9599928 Node 15.29857 -0.67175404 -0.52109659
e 0.4546740 Incl. 8.66068 -0.38691088 -0.35928174
P 2.74 H 21.39 G 0.15 U 0
Residuals in seconds of arc
100204 F51 0.0 0.1- 210312 204 0.2- 0.1- 210506 I52 0.1- 0.0
100204 F51 (0.3+ 0.3-) 210312 033 0.2- 0.1+ 210506 I52 0.1- 0.1-
100216 F51 0.2- 0.2- 210312 033 0.0 0.1- 210506 I52 0.1- 0.2-
100216 F51 0.1+ 0.1- 210312 033 0.3+ 0.1+ 210512 807 0.6- 0.1-
100222 F51 0.2- 0.0 210318 711 0.6- 0.1- 210512 807 0.1+ 0.3-
100222 F51 0.1- 0.0 210318 711 0.6- 0.0 210512 807 0.7+ 0.3-
100224 F51 0.1- 0.0 210318 F51 0.0 0.0 210512 G96 0.2+ 0.1+
100311 F51 0.3+ 0.0 210318 F51 0.0 0.0 210512 G96 0.1- 0.0
100311 F51 0.3+ 0.2+ 210318 F51 0.0 0.0 210512 G96 0.1- 0.1-
100313 F51 0.1+ 0.0 210323 I52 0.3+ 0.4+ 210512 G96 0.3- 0.1+
100313 F51 0.3- 0.2+ 210323 I52 0.1- 0.2- 210518 691 0.0 0.2+
100317 F51 0.3+ 0.4+ 210323 I52 0.1+ 0.1- 210518 691 (3.8- 5.2+)
100317 F51 (0.0 0.8+) 210331 I52 0.6+ 0.2- 210523 807 0.0 0.0
210205 G96 (0.3- 0.9-) 210331 I52 0.2+ 0.1+ 210523 807 0.0 0.4+
210205 G96 0.4- 0.0 210331 I52 0.4+ 0.2+ 210523 807 0.2+ 0.1-
210205 G96 0.2- 0.3+ 210331 I52 0.0 0.1- 210531 807 0.1+ 0.1+
210211 F52 0.1- 0.0 210402 I52 0.3- 0.2- 210531 807 0.0 0.4-
210211 F52 0.1+ 0.1+ 210402 I52 0.3- 0.3- 210531 807 0.1+ 0.1+
210211 F52 0.0 0.1- 210402 I52 0.3- 0.1+ 210608 474 0.2+ 0.1+
210211 F52 0.1- 0.0 210403 703 0.8+ 0.3- 210608 474 0.0 0.2+
210218 G96 0.1+ 0.1- 210403 703 0.2+ 0.3- 210608 474 0.1+ 0.1-
210218 G96 0.5+ 0.2- 210403 703 0.4- 0.8+ 210608 474 0.1+ 0.0
210218 G96 0.6- 0.2- 210405 G96 0.3- 0.0 210609 807 0.6+ 0.0
210218 G96 0.4+ 0.4+ 210405 G96 0.1- 0.0 210609 807 0.6- 0.4+
210311 G96 0.2+ 0.2+ 210405 G96 0.3- 0.3- 210609 807 0.1- 0.1-
210311 G96 0.0 0.1- 210405 G96 0.1- 0.1+ 210619 807 0.0 0.1+
210311 G96 0.1+ 0.1- 210419 807 0.1+ 0.4- 210619 807 0.0 0.2+
210311 G96 0.1+ 0.1+ 210419 807 0.2+ 0.2- 210619 807 0.2- 0.0
210311 I52 0.3- 0.1- 210419 807 0.2+ 0.0 210620 807 0.2+ 0.4-
210311 I52 0.0 0.1- 210424 I52 0.2+ 0.1- 210620 807 0.1+ 0.0
210311 J95 0.3- 0.3+ 210424 I52 (0.1- 1.7-) 210620 807 (1.1- 0.5-)
210311 J95 0.0 0.2- 210506 807 0.2- 0.1+ 210717 807 0.1+ 0.1+
210311 J95 0.3- 0.3- 210506 807 0.1- 0.1+ 210717 807 (0.2- 0.7+)
210311 J95 0.3- 0.2- 210506 807 0.2- 0.2+ 210909 F51 (0.1+ 0.8-)
210312 204 0.2- 0.4+ 210506 I52 0.0 0.2+ 210909 F51 0.2+ 0.6-
Ephemeris:
2021 DQ2 a,e,i = 1.96, 0.45, 9 q = 1.0688
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2022 05 28 02 28 58.2 +16 33 22 3.5865 2.7143 26.2 9.5 27.0
...
2022 06 12 02 49 42.8 +18 29 49 3.5105 2.7446 35.3 12.3 27.0
...
2022 06 20 03 00 26.6 +19 27 31 3.4565 2.7592 40.2 13.7 27.1
...
2022 06 26 03 08 18.5 +20 08 49 3.4101 2.7694 43.9 14.8 27.1
2022 06 27 03 09 36.1 +20 15 32 3.4019 2.7711 44.6 14.9 27.1
2022 06 28 03 10 53.4 +20 22 12 3.3935 2.7727 45.2 15.1 27.1
...
2022 07 04 03 18 30.2 +21 01 16 3.3407 2.7821 49.0 16.0 27.1
...
2022 07 12 03 28 18.1 +21 50 46 3.2632 2.7937 54.2 17.2 27.1
...
2022 07 27 03 45 22.2 +23 16 12 3.0985 2.8126 64.4 19.0 27.1
A. U. Tomatic (C) Copyright 2022 MPC M.P.E.C. 2022-M85
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