MPEC 2021-J186 : 2021 JJ5
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M.P.E.C. 2021-J186 Issued 2021 May 12, 15:43 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2021 JJ5
Observations:
K21J05J* C2021 05 11.29880513 15 09.99 -07 29 15.3 20.46GVEJ186G96
K21J05J C2021 05 11.30397813 15 10.37 -07 28 37.8 20.29GVEJ186G96
K21J05J C2021 05 11.30914313 15 10.72 -07 28 00.6 20.53GVEJ186G96
K21J05J C2021 05 11.31430613 15 11.08 -07 27 23.0 20.77GVEJ186G96
K21J05J KC2021 05 11.35392313 15 14.00 -07 22 34.6 21.39GVEJ186I52
K21J05J KC2021 05 11.35518713 15 14.17 -07 22 25.0 19.90GVEJ186I52
K21J05J KC2021 05 11.35645013 15 14.25 -07 22 15.5 21.44GVEJ186I52
K21J05J KC2021 05 11.35770913 15 14.36 -07 22 06.9 20.82GVEJ186I52
K21J05J KC2021 05 12.17902413 16 58.95 -05 37 24.7 20.73GVEJ186I52
K21J05J KC2021 05 12.18070413 16 59.06 -05 37 11.6 20.37GVEJ186I52
K21J05J KC2021 05 12.18238413 16 59.23 -05 36 57.7 20.89GVEJ186I52
K21J05J KC2021 05 12.18406313 16 59.34 -05 36 43.9 20.01GVEJ186I52
K21J05J KC2021 05 12.49703513 17 35.84 -04 50 54.6 20.3 GVEJ186474
K21J05J KC2021 05 12.50059313 17 36.17 -04 50 24.4 20.3 GVEJ186474
K21J05J KC2021 05 12.50415013 17 36.54 -04 49 54.3 20.0 GVEJ186474
K21J05J KC2021 05 12.50681713 17 36.72 -04 49 32.1 20.2 GVEJ186474
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
G96 Mt. Lemmon Survey. Observer K. W. Wierzchos. 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.
I52 Steward Observatory, Mt. Lemmon Station. Observer T. A. Pruyne.
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.
Orbital elements:
2021 JJ5 Earth MOID = 0.0293 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 279.54080 (2000.0) P Q
n 0.43554687 Peri. 45.65067 +0.06661049 +0.99324008
a 1.7236382 Node 228.41776 -0.94778960 +0.03320640
e 0.4350422 Incl. 7.30149 -0.31186203 +0.11122715
P 2.26 H 25.25 G 0.15 U 9
Residuals in seconds of arc
210511 G96 0.0 0.2+ 210511 I52 0.1- 0.3+ 210512 474 0.1+ 0.1-
210511 G96 0.2+ 0.2+ 210511 I52 0.1+ 0.4- 210512 474 0.0 0.1+
210511 G96 0.1+ 0.0 210512 I52 0.1+ 0.1+ 210512 474 0.5+ 0.1+
210511 G96 0.1+ 0.0 210512 I52 0.3- 0.3- 210512 474 0.6- 0.2-
210511 I52 0.7- 0.4- 210512 I52 0.3+ 0.0
210511 I52 0.2+ 0.0 210512 I52 0.1- 0.3+
Ephemeris:
2021 JJ5 a,e,i = 1.72, 0.44, 7 q = 0.9738
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 04 12 13 08 43.8 -25 37 12 0.2345 1.2282 162.7 14.1 23.3
...
2021 04 27 13 05 54.4 -21 51 32 0.1422 1.1420 161.2 16.5 22.2
...
2021 05 05 13 08 04.1 -16 21 55 0.09961 1.1003 156.1 21.8 21.5
...
2021 05 11 13 14 41.3 -08 03 14 0.07066 1.0718 150.0 28.1 20.9
2021 05 12 13 16 34.5 -05 59 57 0.06616 1.0673 148.7 29.5 20.8
2021 05 13 13 18 47.8 -03 39 29 0.06179 1.0629 147.1 31.1 20.7
...
2021 05 19 13 44 39.0 +20 01 17 0.03983 1.0382 130.9 47.5 20.1
...
2021 05 27 17 39 38.0 +72 32 46 0.03819 1.0106 85.1 92.7 21.5
...
2021 06 11 23 59 44.6 +52 17 39 0.09794 0.9788 65.5 109.3 24.3
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-J186
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