MPEC 2021-K99 : 2021 JW17
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M.P.E.C. 2021-K99 Issued 2021 May 30, 14:52 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 JW17
Observations:
K21J17W C2021 04 07.57744916 16 13.230-01 15 21.80 22.09GVEK099F51
K21J17W C2021 04 07.59004316 16 13.390-01 15 23.70 22.22GVEK099F51
K21J17W C2021 04 07.60259816 16 13.553-01 15 25.62 22.55GVEK099F51
K21J17W C2021 04 07.61514016 16 13.679-01 15 27.64 21.82GVEK099F51
K21J17W C2021 04 10.57946316 16 50.315-01 24 01.46 22.28GVEK099F51
K21J17W C2021 04 10.61765316 16 50.513-01 24 08.72 22.09GVEK099F51
K21J17W C2021 04 16.54640216 17 00.884-01 47 05.89 21.93GVEK099F51
K21J17W C2021 04 16.55701216 17 00.778-01 47 08.93 22.57GVEK099F51
K21J17W C2021 04 16.56761316 17 00.672-01 47 11.78 21.80GVEK099F51
K21J17W C2021 04 16.57823116 17 00.569-01 47 14.72 21.75GVEK099F51
K21J17W* C2021 05 10.33391716 00 20.24 -05 41 49.8 20.38GVEK099G96
K21J17W C2021 05 10.33906616 00 19.79 -05 41 55.0 20.26GVEK099G96
K21J17W C2021 05 10.34422216 00 19.31 -05 42 00.1 20.05GVEK099G96
K21J17W C2021 05 10.34937316 00 18.85 -05 42 05.4 20.53GVEK099G96
K21J17W C2021 05 10.40791 16 00 14.375-05 43 02.61 20.9 wUEK099F51
K21J17W C2021 05 10.41989 16 00 13.306-05 43 15.05 20.8 wUEK099F51
K21J17W C2021 05 10.43187 16 00 12.236-05 43 27.33 20.9 wUEK099F51
K21J17W C2021 05 10.46892 16 00 08.918-05 44 05.43 20.9 wUEK099F51
K21J17W C2021 05 10.48066 16 00 07.865-05 44 17.39 20.7 wUEK099F51
K21J17W C2021 05 10.49334 16 00 06.730-05 44 30.33 20.7 wUEK099F51
K21J17W C2021 05 10.50774 16 00 05.439-05 44 45.11 20.6 wUEK099F51
K21J17W C2021 05 14.51809315 53 59.477-06 59 55.29 20.49GVEK099F51
K21J17W C2021 05 14.53038315 53 58.206-07 00 10.17 20.19GVEK099F51
K21J17W C2021 05 15.46698115 52 24.598-07 19 39.48 20.71wUEK099F51
K21J17W C2021 05 15.47875815 52 23.314-07 19 54.40 20.53wUEK099F51
K21J17W C2021 05 15.49056715 52 22.038-07 20 09.47 20.46wUEK099F51
K21J17W C2021 05 15.50224915 52 20.771-07 20 24.28 20.45wUEK099F51
K21J17W C2021 05 30.31785315 21 10.183-14 12 31.87 19.96wUEK099F51
K21J17W C2021 05 30.33095015 21 08.161-14 12 58.94 19.98wUEK099F51
K21J17W C2021 05 30.34407315 21 06.131-14 13 26.05 20.10wUEK099F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith, M. Willman. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer, L. Denneau,
J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier. 1.8-m Ritchey-Chretien
+ CCD.
G96 Mt. Lemmon Survey. Observer H. Groeller. Measurers E. J. Christensen, G.
A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A.
Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L.
Seaman, F. C. Shelly, K. W. Wierzchos. 1.5-m reflector + 10K CCD.
Orbital elements:
2021 JW17 Earth MOID = 0.2743 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 288.43558 (2000.0) P Q
n 0.29060439 Peri. 245.45707 +0.61753697 +0.71332769
a 2.2573623 Node 66.89799 -0.52565546 +0.68769614
e 0.4973786 Incl. 21.11674 -0.58509352 +0.13504677
P 3.39 H 20.33 G 0.15 U 5
Residuals in seconds of arc
210407 F51 0.1- 0.0 210510 G96 0.2+ 0.1- 210510 F51 0.0 0.0
210407 F51 0.0 0.0 210510 G96 0.3+ 0.0 210514 F51 0.2- 0.2-
210407 F51 0.2+ 0.1+ 210510 G96 0.1- 0.1+ 210514 F51 0.0 0.1-
210407 F51 0.2- 0.0 210510 G96 0.1- 0.1+ 210515 F51 0.1+ 0.0
210410 F51 0.0 0.1- 210510 F51 0.0 0.1+ 210515 F51 0.0 0.1+
210410 F51 0.0 0.1- 210510 F51 0.0 0.1- 210515 F51 0.0 0.0
210416 F51 0.0 0.0 210510 F51 0.0 0.1- 210515 F51 0.0 0.0
210416 F51 0.0 0.1- 210510 F51 0.0 0.1- 210530 F51 0.0 0.0
210416 F51 0.0 0.0 210510 F51 0.0 0.0 210530 F51 0.0 0.0
210416 F51 0.0 0.0 210510 F51 0.0 0.0 210530 F51 0.0 0.0
Ephemeris:
2021 JW17 a,e,i = 2.26, 0.50, 21 q = 1.1346
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 04 30 16 11 24.3 -03 23 08 0.6749 1.6351 152.3 16.6 21.4
...
2021 05 15 15 53 12.1 -07 09 42 0.5362 1.5377 166.7 8.7 20.5
...
2021 05 23 15 37 57.8 -10 24 22 0.4807 1.4869 168.7 7.7 20.1
...
2021 05 29 15 24 21.4 -13 27 54 0.4483 1.4495 163.8 11.2 20.1
2021 05 30 15 21 56.3 -14 01 29 0.4437 1.4433 162.7 12.1 20.1
2021 05 31 15 19 29.1 -14 35 52 0.4393 1.4372 161.5 12.9 20.1
...
2021 06 06 15 04 11.0 -18 17 23 0.4177 1.4011 153.5 18.8 20.1
...
2021 06 14 14 43 16.2 -23 43 01 0.4009 1.3547 142.1 27.4 20.2
...
2021 06 29 14 08 29.4 -34 22 08 0.3990 1.2753 122.3 42.3 20.5
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-K99
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