MPEC 2021-J77 : 2021 JX1
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M.P.E.C. 2021-J77 Issued 2021 May 6, 08:18 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 JX1
Observations:
K21J01X* C2021 05 04.35346715 32 36.70 +30 45 17.6 21.50GVEJ077G96
K21J01X C2021 05 04.35865515 32 36.79 +30 45 14.7 21.13GVEJ077G96
K21J01X C2021 05 04.36384915 32 36.83 +30 45 11.2 21.34GVEJ077G96
K21J01X C2021 05 04.36905615 32 36.95 +30 45 08.6 21.07GVEJ077G96
K21J01X KC2021 05 04.43303215 32 37.73 +30 44 30.2 21.60GVEJ077I52
K21J01X KC2021 05 04.44231815 32 37.89 +30 44 24.3 VEJ077I52
K21J01X C2021 05 05.20692715 33 01.08 +30 36 30.6 21.0 GVEJ077H01
K21J01X C2021 05 05.21015415 33 01.12 +30 36 28.7 21.2 GVEJ077H01
K21J01X C2021 05 05.22335315 33 01.33 +30 36 20.8 21.2 GVEJ077H01
K21J01X C2021 05 05.23065815 33 01.44 +30 36 16.3 21.3 GVEJ077H01
K21J01X KC2021 05 05.23845915 33 01.73 +30 36 12.2 21.24GVEJ077I52
K21J01X KC2021 05 05.24460815 33 01.71 +30 36 08.7 21.67GVEJ077I52
K21J01X KC2021 05 05.25473115 33 01.90 +30 36 01.9 21.59GVEJ077I52
K21J01X KC2021 05 05.26485615 33 02.03 +30 35 55.6 21.00GVEJ077I52
K21J01X KC2021 05 05.38549 15 33 03.04 +30 34 31.2 21.4 GVEJ077H36
K21J01X KC2021 05 05.39764 15 33 03.24 +30 34 21.8 21.4 GVEJ077H36
K21J01X KC2021 05 05.40904 15 33 03.45 +30 34 13.1 21.6 GVEJ077H36
K21J01X KC2021 05 05.87041 15 33 18.84 +30 28 46.3 18.6 rZEJ077J57
K21J01X KC2021 05 05.89375 15 33 19.33 +30 28 30.5 18.1 rZEJ077J57
K21J01X KC2021 05 05.90992 15 33 19.58 +30 28 19.0 18.8 rZEJ077J57
K21J01X KC2021 05 06.22985415 33 27.18 +30 24 22.8 21.8 VuEJ077H21
K21J01X KC2021 05 06.23566215 33 27.23 +30 24 18.6 21.3 VuEJ077H21
K21J01X KC2021 05 06.23866315 33 27.29 +30 24 16.6 21.1 VuEJ077H21
Observer details:
G96 Mt. Lemmon Survey. Observer D. Rankin. 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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0
astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + 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.
J57 Centro Astronomico Alto Turia, Valencia. Observer A. Fornas. Measurers
A. Fornas, G. Fornas, E. Arce, V. Mas.
Orbital elements:
2021 JX1 Earth MOID = 0.0640 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 314.49251 (2000.0) P Q
n 0.25109288 Peri. 193.23155 -0.07625455 +0.95225989
a 2.4883594 Node 73.01088 -0.88436249 +0.07234165
e 0.5692459 Incl. 18.00505 -0.46053038 -0.29659364
P 3.93 H 22.32 G 0.15 U 9
Residuals in seconds of arc
210504 G96 0.5- 0.0 210505 H01 0.1+ 0.2- 210505 H36 0.1- 0.4-
210504 G96 0.2- 0.0 210505 H01 0.1+ 0.2- 210505 J57 0.4- 0.8+
210504 G96 0.6- 0.4- 210505 I52 0.5+ 0.1+ 210505 J57 0.4+ 0.4+
210504 G96 0.2+ 0.0 210505 I52 0.9- 0.3+ 210505 J57 0.0 0.3-
210504 I52 0.9- 0.5+ 210505 I52 0.3- 0.3- 210506 H21 0.5+ 0.0
210504 I52 0.6- 0.5+ 210505 I52 0.4- 0.4- 210506 H21 0.2+ 0.2+
210505 H01 0.1+ 0.1- 210505 H36 0.6- 0.5+ 210506 H21 0.5+ 0.4+
210505 H01 0.0 0.1- 210505 H36 0.5- 0.1-
Ephemeris:
2021 JX1 a,e,i = 2.49, 0.57, 18 q = 1.0719
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 04 06 15 15 32.9 +28 45 33 0.4826 1.3713 132.0 32.8 22.8
...
2021 04 21 15 26 04.8 +31 00 42 0.3578 1.2722 131.9 36.0 22.1
...
2021 04 29 15 30 11.5 +31 15 03 0.2963 1.2244 131.8 37.8 21.6
...
2021 05 05 15 32 54.0 +30 38 51 0.2518 1.1916 131.9 39.0 21.3
2021 05 06 15 33 20.5 +30 27 23 0.2445 1.1865 132.0 39.2 21.2
2021 05 07 15 33 47.0 +30 14 03 0.2372 1.1814 132.1 39.3 21.1
...
2021 05 13 15 36 37.4 +28 04 34 0.1945 1.1528 133.4 39.5 20.6
...
2021 05 21 15 42 00.5 +21 37 50 0.1402 1.1205 138.2 37.0 19.8
...
2021 06 05 16 13 44.4 -25 18 29 0.06717 1.0810 170.9 8.6 17.2
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-J77
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