MPEC 2022-K110 : 2021 PD24
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M.P.E.C. 2022-K110 Issued 2022 May 26, 14:10 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 PD24
Revision to MPEC 2021-Q27
Additional Observations:
K21P24D C2017 06 23.46187819 23 00.657-26 18 06.14 22.40GVEK110F51
K21P24D C2017 06 23.47381319 22 59.580-26 18 11.51 22.51GVEK110F51
K21P24D C2017 06 23.48574319 22 58.468-26 18 16.79 22.14GVEK110F51
K21P24D KC2022 05 10.28131307 54 46.082+28 06 14.23 22.83GVEK110T14
K21P24D C2022 05 24.26775308 51 31.409+24 56 40.60 23.11GVEK110T14
K21P24D C2022 05 24.26966008 51 31.838+24 56 38.80 23.18GVEK110T14
K21P24D C2022 05 24.27156208 51 32.266+24 56 37.00 23.09GVEK110T14
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
T14 Mauna Kea-UH/Tholen NEO Follow-Up (CFHT). Observers C. Cunningham, L.
Wells. Measurer D. J. Tholen. 3.6-m f/4.1 reflector + 1024 x 2306 pixels
Megacam.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
170623 F51 0.85- 0.02- 220524 T14 0.00- 0.01- E2022-A14 -1.06 days
Orbital elements:
2021 PD24 PHA, Earth MOID = 0.0355 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Veres
M 345.49805 (2000.0) P Q
n 0.50437984 Peri. 357.32073 +0.16654895 -0.97796897
a 1.5630189 Node 83.07029 +0.90700871 +0.10188363
e 0.3938574 Incl. 7.28331 +0.38677726 +0.18219882
P 1.95 H 20.29 G 0.15 U 1
Residuals in seconds of arc
170623 F51 0.1- 0.0 210810 F51 0.1+ 0.1- 210907 695 0.0 0.0
170623 F51 0.2+ 0.0 210811 807 0.3+ 0.4- 210907 695 0.1+ 0.1-
170623 F51 0.0 0.1+ 210811 807 0.1+ 0.1+ 220225 V06 0.3+ 0.0
210809 F51 0.0 0.1+ 210811 807 0.4+ 0.4- 220225 V06 0.1- 0.0
210809 F51 0.1- 0.3+ 210901 309 0.0 0.0 220225 V06 0.3+ 0.3+
210809 F51 0.1- 0.1+ 210901 309 0.1- 0.0 220510 T14 0.1- 0.0
210810 807 0.1- 0.2+ 210901 309 0.0 0.0 220524 T14 0.0 0.0
210810 807 0.1- 0.0 210901 309 0.0 0.0 220524 T14 0.0 0.0
210810 807 0.2+ 0.4- 210901 309 0.0 0.1- 220524 T14 0.1+ 0.0
210810 F51 0.0 0.1- 210901 309 0.1- 0.1-
210810 F51 0.0 0.0 210907 695 0.1- 0.3-
Ephemeris:
2021 PD24 a,e,i = 1.56, 0.39, 7 q = 0.9474
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2022 04 26 06 48 06.9 +29 52 57 1.1606 1.1750 65.2 51.0 22.9
...
2022 05 11 07 57 53.9 +27 58 10 1.2667 1.2612 66.2 47.1 23.1
...
2022 05 19 08 31 08.9 +26 15 10 1.3349 1.3083 66.1 45.0 23.2
...
2022 05 25 08 54 16.1 +24 45 16 1.3908 1.3436 65.8 43.4 23.3
2022 05 26 08 57 58.6 +24 29 27 1.4004 1.3495 65.7 43.2 23.3
2022 05 27 09 01 38.7 +24 13 27 1.4102 1.3554 65.7 42.9 23.4
...
2022 06 02 09 22 51.3 +22 33 49 1.4705 1.3906 65.1 41.4 23.5
...
2022 06 10 09 49 08.8 +20 14 01 1.5553 1.4371 64.0 39.4 23.6
...
2022 06 25 10 33 18.8 +15 42 29 1.7247 1.5221 61.2 35.8 23.9
A. U. Tomatic (C) Copyright 2022 MPC M.P.E.C. 2022-K110
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