MPEC 2021-J107 : 2021 JQ2
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M.P.E.C. 2021-J107 Issued 2021 May 8, 23:03 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 JQ2
Observations:
K21J02Q* C2021 05 07.37316816 38 09.94 +12 24 19.1 20.15GVEJ107G96
K21J02Q C2021 05 07.37827416 38 02.90 +12 25 33.2 20.07GVEJ107G96
K21J02Q C2021 05 07.38338816 37 55.78 +12 26 47.8 19.96GVEJ107G96
K21J02Q C2021 05 07.38849916 37 48.68 +12 28 01.5 20.08GVEJ107G96
K21J02Q KC2021 05 07.45403916 36 12.62 +12 44 29.3 19.43GVEJ107I52
K21J02Q KC2021 05 07.45502016 36 11.13 +12 44 44.6 19.61GVEJ107I52
K21J02Q KC2021 05 07.45600516 36 09.63 +12 45 00.1 19.65GVEJ107I52
K21J02Q KC2021 05 07.45698816 36 08.15 +12 45 15.4 19.46GVEJ107I52
K21J02Q KC2021 05 07.85990216 29 48.51 +15 43 44.1 17.9 rZEJ107L34
K21J02Q KC2021 05 07.88744916 28 26.11 +16 07 11.9 18.3 rZEJ107L34
K21J02Q KC2021 05 08.06297 16 13 14.24 +19 27 47.2 18.1 GVEJ107K88
K21J02Q KC2021 05 08.06396 16 13 07.04 +19 29 24.4 18.3 GVEJ107K88
K21J02Q KC2021 05 08.06497 16 12 59.58 +19 31 04.0 VEJ107K88
K21J02Q KC2021 05 08.19796416 00 58.40 +25 17 37.3 17.31GVEJ107I52
K21J02Q KC2021 05 08.19839216 00 52.46 +25 19 17.8 16.79GVEJ107I52
K21J02Q KC2021 05 08.19882016 00 46.48 +25 20 58.1 17.34GVEJ107I52
K21J02Q KC2021 05 08.19924616 00 40.51 +25 22 39.2 16.79GVEJ107I52
K21J02Q mC2021 05 08.19952216 00 36.58 +25 23 44.2 16.77GVEJ107I52
K21J02Q mC2021 05 08.19962016 00 35.20 +25 24 07.5 16.67GVEJ107I52
K21J02Q mC2021 05 08.19971616 00 33.85 +25 24 30.1 16.59GVEJ107I52
K21J02Q mC2021 05 08.19981016 00 32.51 +25 24 52.3 16.54GVEJ107I52
K21J02Q C2021 05 08.20747 15 59 05.41 +25 38 56.4 16.7 RVEJ107G58
K21J02Q C2021 05 08.20767 15 59 02.35 +25 39 48.8 16.1 RVEJ107G58
K21J02Q C2021 05 08.20777 15 59 01.13 +25 40 09.2 16.4 RVEJ107G58
K21J02Q C2021 05 08.20786 15 58 59.53 +25 40 35.9 16.5 RVEJ107G58
K21J02Q KC2021 05 08.20813915 55 47.74 +25 55 24.8 17.3 VuEJ107H21
K21J02Q KC2021 05 08.20858915 55 40.23 +25 57 15.2 17.4 VuEJ107H21
K21J02Q KC2021 05 08.20899415 55 33.47 +25 58 54.8 17.1 VuEJ107H21
K21J02Q KC2021 05 08.20942215 55 26.30 +26 00 40.3 17.2 VuEJ107H21
K21J02Q KC2021 05 08.23272515 50 40.28 +27 47 51.5 17.2 VqEJ107858
K21J02Q KC2021 05 08.23980215 48 13.82 +28 23 49.3 17.0 VqEJ107858
K21J02Q KC2021 05 08.24303315 48 28.71 +28 17 03.0 16.6 GVEJ107U52
K21J02Q KC2021 05 08.24359315 48 17.03 +28 20 01.3 16.3 GVEJ107U52
K21J02Q KC2021 05 08.24415315 48 05.31 +28 22 58.4 17.0 GVEJ107U52
K21J02Q KC2021 05 08.24671615 45 39.80 +29 00 48.7 17.1 VqEJ107858
K21J02Q KC2021 05 08.25366315 42 53.01 +29 39 57.2 17.1 VqEJ107858
Observer details:
858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.51-m Schmidt-
Cassegrain + CCD.
G58 Chabot Space and Science Center, Oakland. Observer G. McKeegan. 0.9-m
f/4.5 Cassegrain + 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.
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.
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.
K88 GINOP-KHK, Piszkesteto. Observers K. Sarneczky, B. Seli. Measurer K.
Sarneczky. 0.60-m Schmidt + CCD.
L34 Galhassin Robotic Telescope, Isnello. Observer A. Nastasi. 0.40-m
reflector + CCD.
U52 Shasta Valley Observatory, Grenada. Observer J. E. Rogers.
Orbital elements:
2021 JQ2 Earth MOID = 0.0009 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 89.16516 (2000.0) P Q
n 1.14943927 Peri. 310.63916 +0.99351768 +0.03015961
a 0.9025654 Node 47.93625 +0.02686403 +0.87456403
e 0.2427559 Incl. 8.48987 -0.11045784 +0.48397123
P 0.86 H 30.05 G 0.15 U 5
Residuals in seconds of arc
210507 G96 0.5+ 0.4- 210508 I52 0.1+ 0.4+ 210508 H21 1.5+ 2.0-
210507 G96 0.1+ 0.0 210508 I52 0.3+ 0.1+ 210508 H21 1.5+ 1.8-
210507 G96 0.5- 0.6+ 210508 I52 0.5+ 0.7+ 210508 H21 1.3+ 1.3-
210507 G96 0.3+ 0.1- 210508 I52 0.0 0.4+ 210508 858 0.6- 0.7+
210507 I52 0.0 0.2- 210508 I52 0.1+ 0.5+ 210508 858 0.6- 0.9+
210507 I52 0.0 0.1- 210508 I52 0.2+ 0.4+ 210508 U52 3.4+ 3.7-
210507 I52 0.2- 0.0 210508 I52 0.2+ 0.1+ 210508 U52 2.1+ 1.6-
210507 I52 0.2- 0.1- 210508 G58 1.7- 2.4+ 210508 U52 2.7+ 3.1-
210508 K88 2.1- 0.8+ 210508 G58 3.9- 5.5+ 210508 858 0.5- 0.4+
210508 K88 1.5- 1.4+ 210508 G58 0.7- 1.3+ 210508 858 0.5- 0.0
210508 K88 2.0- 1.9+ 210508 G58 4.7- 5.7+
210508 I52 0.3- 0.3+ 210508 H21 0.4- 0.3+
Ephemeris:
2021 JQ2 a,e,i = 0.90, 0.24, 8 q = 0.6835
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 04 08 16 38 01.2 +06 40 19 0.1433 1.0908 125.5 48.3 27.8
...
2021 04 23 16 46 56.2 +07 54 22 0.07168 1.0567 134.3 42.9 26.1
...
2021 05 01 16 48 26.7 +08 36 18 0.03446 1.0337 138.9 39.9 24.4
...
2021 05 07 16 41 29.5 +11 25 28 0.0067751.0143 141.6 38.2 20.8
2021 05 08 16 20 00.5 +18 30 07 0.0021701.0109 139.3 40.6 18.4
2021 05 09 04 53 08.1 -07 25 12 0.0026331.0074 36.7 143.2 24.5
...
2021 05 15 04 29 42.3 -15 10 10 0.03028 0.9869 37.3 141.6 29.5
...
2021 05 23 04 27 15.9 -14 58 01 0.06755 0.9587 36.2 141.4 31.2
...
2021 06 07 04 25 18.3 -12 20 52 0.1414 0.9045 36.1 138.6 32.3
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-J107
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