MPEC 2022-K180 : 2021 DG17
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M.P.E.C. 2022-K180 Issued 2022 May 31, 20:10 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 DG17
Observations:
K21D17G*5C2021 02 17.29607 10 16 10.207+10 32 34.34 22.9 rVEK180568
K21D17G 5C2021 02 17.36284 10 16 09.984+10 32 35.25 22.8 rVEK180568
K21D17G 5C2021 04 05.99818 10 13 54.275+10 42 46.18 23.0 rVEK180304
K21D17G 5C2021 04 07.00063 10 13 52.100+10 42 55.32 23.2 rVEK180304
K21D17G 5C2021 04 12.20013 10 13 41.542+10 43 38.13 23.5 rVEK180304
K21D17G 5C2022 03 07.23422 10 16 47.816+10 08 03.40 23.1 GVEK180304
K21D17G 5C2022 03 07.28016 10 16 47.665+10 08 04.31 23.4 GVEK180304
K21D17G 5C2022 04 07.98922 10 15 23.515+10 14 24.33 23.3 rVEK180304
K21D17G 5C2022 04 08.16464 10 15 23.144+10 14 25.79 22.8 rVEK180304
K21D17G 5C2022 04 08.99013 10 15 21.427+10 14 33.12 22.8 rVEK180304
Observer details:
304 Las Campanas Observatory. Observers S. S. Sheppard, C. Trujillo, W. J.
Oldroyd, C. Chandler. Measurers S. S. Sheppard, C. Trujillo. 6.5-m
Magellan-Baade telescope + CCD.
568 Mauna Kea. Observers S. S. Sheppard, D. J. Tholen, C. Trujillo. Measurer
S. S. Sheppard. 8.2-m Subaru reflector + CCD.
Orbital elements:
2021 DG17
Epoch 2022 Aug. 9.0 TT = JDT 2459800.5 Alexandersen
M 102.49328 (2000.0) P Q
n 0.00203106 Peri. 55.10669 +0.83817441 -0.48944005
a 61.7524157 Node 331.75423 +0.15653222 +0.63854556
e 0.2311549 Incl. 30.56387 +0.52245701 +0.59389226
P 485 H 4.97 G 0.15 U 8
Residuals in seconds of arc
210217 568 0.1+ 0.0 210412 304 0.2- 0.0 220408 304 0.0 0.0
210217 568 0.1- 0.0 220307 304 0.1+ 0.2- 220408 304 0.0 0.0
210405 304 0.2+ 0.0 220307 304 0.1- 0.1+
210407 304 0.0 0.1+ 220407 304 0.1- 0.1+
Ephemeris:
2021 DG17 a,e,i = 61.75, 0.23, 31 q = 47.4780
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2022 05 01 10 14 47.2 +10 16 44 67.2620 67.6391 111.6 0.8 23.4
...
2022 05 16 10 14 38.3 +10 16 54 67.5141 67.6454 97.0 0.8 23.4
...
2022 05 24 10 14 38.6 +10 16 30 67.6528 67.6487 89.3 0.9 23.4
...
2022 05 30 10 14 41.2 +10 16 00 67.7569 67.6512 83.6 0.9 23.4
2022 05 31 10 14 41.8 +10 15 54 67.7741 67.6517 82.6 0.9 23.4
2022 06 01 10 14 42.5 +10 15 47 67.7914 67.6521 81.7 0.8 23.4
...
2022 06 07 10 14 47.7 +10 15 02 67.8937 67.6546 76.0 0.8 23.4
...
2022 06 15 10 14 57.6 +10 13 45 68.0260 67.6579 68.4 0.8 23.4
...
2022 06 30 10 15 24.7 +10 10 31 68.2544 67.6642 54.2 0.7 23.4
M. P. C. Staff (C) Copyright 2022 MPC M.P.E.C. 2022-K180
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