[Iaude] MPEC J83: 2021 JC2 [a=2.50,e=0.57,i=7.5,H=24.5]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Fri May 7 02:44:31 EDT 2021
M.P.E.C. 2021-J83 Issued 2021 May 7, 06:43 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2021 JC2
Observations:
K21J02C* C2021 05 05.22547 14 32 23.33 +08 48 09.2 20.6 GVEJ083U68
K21J02C C2021 05 05.22881 14 32 25.49 +08 48 16.8 20.6 GVEJ083U68
K21J02C C2021 05 05.25574 14 32 42.83 +08 49 11.2 20.6 GVEJ083U68
K21J02C C2021 05 05.25908 14 32 45.03 +08 49 18.2 20.6 GVEJ083U68
K21J02C KC2021 05 06.22779 14 43 27.58 +09 19 56.2 oEJ083691
K21J02C KC2021 05 06.23205 14 43 30.24 +09 20 04.2 20.3 RoEJ083691
K21J02C KC2021 05 06.23630 14 43 32.82 +09 20 11.7 20.4 RoEJ083691
K21J02C KC2021 05 07.21268514 53 54.68 +09 47 29.1 VEJ083I52
K21J02C KC2021 05 07.21394314 53 55.62 +09 47 32.2 20.67GVEJ083I52
K21J02C KC2021 05 07.21520414 53 56.39 +09 47 33.7 19.96GVEJ083I52
K21J02C KC2021 05 07.21646314 53 57.13 +09 47 35.9 19.91GVEJ083I52
K21J02C KC2021 05 07.22185214 54 00.32 +09 47 44.1 19.71GVEJ083I52
K21J02C KC2021 05 07.22311314 54 01.08 +09 47 46.4 19.86GVEJ083I52
K21J02C KC2021 05 07.22437114 54 01.85 +09 47 48.6 20.25GVEJ083I52
K21J02C KC2021 05 07.22563114 54 02.55 +09 47 51.1 20.15GVEJ083I52
Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch. Observer M. T. Read. 0.9-m
f/3 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer G. J. Leonard.
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. 1.0-m
reflector + CCD.
U68 JPL SynTrack Robotic Telescope, Auberry. Observers N. Saini, C. Zhai, R.
Trahan, M. Zhan, M. Shao. 0.28-m f/2.2 Schmidt + CCD.
Orbital elements:
2021 JC2 Earth MOID = 0.0716 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 327.87379 (2000.0) P Q
n 0.24941577 Peri. 1.85855 -0.84385145 +0.53248025
a 2.4995017 Node 210.60731 -0.49396125 -0.81906955
e 0.5687346 Incl. 7.46825 -0.20956384 -0.21351781
P 3.95 H 24.52 G 0.15 U 9
Residuals in seconds of arc
210505 U68 0.1- 0.5- 210506 691 0.3+ 0.2+ 210507 I52 0.4+ 0.0
210505 U68 0.1- 0.2+ 210506 691 0.2- 0.0 210507 I52 0.3+ 0.5-
210505 U68 0.3- 0.1- 210507 I52 2.8- 0.6- 210507 I52 0.5+ 0.2-
210505 U68 0.5+ 0.1+ 210507 I52 0.1+ 0.4+ 210507 I52 0.9+ 0.2-
210506 691 0.2- 0.0 210507 I52 0.5+ 0.1- 210507 I52 0.2+ 0.3+
Ephemeris:
2021 JC2 a,e,i = 2.50, 0.57, 7 q = 1.0779
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 04 07 10 14 44.0 -10 03 14 0.1290 1.1005 138.3 37.3 21.8
...
2021 04 22 11 55 21.2 -01 42 25 0.08559 1.0785 147.8 29.8 20.6
...
2021 04 30 13 29 18.9 +05 10 04 0.07938 1.0799 155.3 23.0 20.3
...
2021 05 06 14 40 55.7 +09 13 43 0.08607 1.0869 154.2 23.8 20.5
2021 05 07 14 51 38.2 +09 42 29 0.08806 1.0886 153.5 24.4 20.6
2021 05 08 15 01 52.5 +10 07 45 0.09027 1.0904 152.9 25.0 20.6
...
2021 05 14 15 52 55.9 +11 34 48 0.1074 1.1040 149.0 28.2 21.1
...
2021 05 22 16 37 01.9 +11 34 25 0.1375 1.1294 146.5 29.7 21.8
...
2021 06 06 17 17 10.3 +09 02 33 0.2080 1.1961 147.9 26.8 22.7
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-J83
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