MPEC 2021-J13 : 2021 GR44
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M.P.E.C. 2021-J13 Issued 2021 May 2, 13:40 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 GR44
Observations:
K21G44R C2011 01 02.51861706 24 48.678+07 15 22.94 19.64GVEJ013F51
K21G44R C2013 04 08.39389912 47 34.027-14 49 21.03 21.40GVEJ013F51
K21G44R C2013 04 08.40744612 47 33.153-14 49 12.05 21.28GVEJ013F51
K21G44R C2013 04 08.42097912 47 32.257-14 49 03.44 21.62GVEJ013F51
K21G44R C2013 04 08.43450512 47 31.360-14 48 54.68 21.81GVEJ013F51
K21G44R C2017 03 19.47300213 24 01.220-18 21 55.16 22.18GVEJ013F51
K21G44R C2017 03 19.48271413 24 00.822-18 21 51.56 21.97GVEJ013F51
K21G44R C2017 03 19.49241313 24 00.404-18 21 48.74 21.35GVEJ013F51
K21G44R C2017 03 19.50209613 23 59.969-18 21 45.57 21.95GVEJ013F51
K21G44R C2017 03 27.51419 13 17 37.909-17 29 28.50 21.8 wLEJ013F51
K21G44R C2017 03 27.52422 13 17 37.379-17 29 23.79 22.1 wLEJ013F51
K21G44R C2017 03 27.53420 13 17 36.798-17 29 19.11 22.1 wLEJ013F51
K21G44R C2017 03 27.54419 13 17 36.254-17 29 14.73 21.9 wLEJ013F51
K21G44R C2017 03 28.49827213 16 45.204-17 21 51.50 21.70GVEJ013F51
K21G44R C2017 03 28.50995513 16 44.549-17 21 46.11 21.49GVEJ013F51
K21G44R C2017 03 28.52160813 16 43.898-17 21 40.17 21.43GVEJ013F51
K21G44R C2017 03 28.53326913 16 43.238-17 21 34.77 21.54GVEJ013F51
K21G44R C2021 02 11.62123813 41 29.577-19 30 26.82 22.47GVEJ013F51
K21G44R C2021 03 18.49549913 37 54.381-19 02 40.58 22.10GVEJ013F51
K21G44R* C2021 04 04.33605113 24 32.65 -17 04 19.1 21.12GVEJ013G96
K21G44R C2021 04 04.34121713 24 32.35 -17 04 15.9 21.97GVEJ013G96
K21G44R C2021 04 04.34639713 24 32.04 -17 04 12.6 21.40GVEJ013G96
K21G44R C2021 04 04.35159413 24 31.71 -17 04 09.8 VEJ013G96
K21G44R C2021 04 09.42538113 19 24.348-16 13 39.81 21.33GVEJ013F51
K21G44R C2021 04 09.43637613 19 23.628-16 13 32.97 21.32GVEJ013F51
K21G44R C2021 04 10.33553 13 18 27.09 -16 03 58.3 VEJ013G96
K21G44R C2021 04 10.34069 13 18 26.75 -16 03 54.5 20.8 GVEJ013G96
K21G44R C2021 04 10.34584 13 18 26.44 -16 03 51.7 21.1 GVEJ013G96
K21G44R C2021 04 13.43347113 15 09.408-15 29 32.27 21.71wUEJ013F51
K21G44R C2021 04 13.44582913 15 08.576-15 29 23.68 21.57wUEJ013F51
K21G44R C2021 04 13.47054613 15 06.940-15 29 06.64 21.38wUEJ013F51
K21G44R C2021 04 21.26048 13 06 42.42 -13 54 50.4 21.9 GVEJ013G96
K21G44R C2021 04 21.27076 13 06 41.76 -13 54 42.2 21.7 GVEJ013G96
K21G44R C2021 04 21.27592 13 06 41.40 -13 54 38.3 22.0 GVEJ013G96
K21G44R C2021 05 01.19863012 56 34.49 -11 45 35.9 21.44GVEJ013G96
K21G44R C2021 05 01.20430712 56 34.13 -11 45 31.7 21.35GVEJ013G96
K21G44R C2021 05 01.20996712 56 33.79 -11 45 27.3 21.35GVEJ013G96
K21G44R C2021 05 01.21563512 56 33.49 -11 45 23.6 20.97GVEJ013G96
K21G44R HC2021 05 02.20904012 55 37.52 -11 32 20.7 VEJ013G96
K21G44R HC2021 05 02.21406412 55 37.21 -11 32 16.5 VEJ013G96
K21G44R HC2021 05 02.21831212 55 37.00 -11 32 12.7 VEJ013G96
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith, B. Gibson, T. Goggia, S. Kahale, M. Willman. Measurers
S. Chastel, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers,
L. Denneau, H. Flewelling, E. Lilly, E. Magnier, C. Waters, T. de Boer, J.
Fairlamb, C.-C. Lin. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observers K. W. Wierzchos, G. J. Leonard, 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, B. Gray.
1.5-m reflector + 10K CCD.
Orbital elements:
2021 GR44 Earth MOID = 0.3537 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 276.29493 (2000.0) P Q
n 0.24809872 Peri. 95.58377 +0.70693815 +0.69151316
a 2.5083398 Node 220.79802 -0.70480570 +0.67124093
e 0.4981949 Incl. 13.13539 -0.05905412 +0.26691791
P 3.97 H 18.5 G 0.15 U 2
Residuals in seconds of arc
110102 F51 0.1+ 0.1- 170328 F51 0.0 0.1- 210413 F51 0.0 0.1-
130408 F51 0.1- 0.0 170328 F51 0.1+ 0.3+ 210413 F51 0.0 0.0
130408 F51 0.2+ 0.3+ 170328 F51 0.1+ 0.2+ 210413 F51 0.3+ 0.0
130408 F51 0.2+ 0.2+ 210211 F51 0.9- 0.1- 210421 G96 0.0 0.1-
130408 F51 0.2+ 0.3+ 210318 F51 0.2- 0.1- 210421 G96 0.4+ 0.3+
170319 F51 0.7- 0.2- 210404 G96 0.0 0.6- 210421 G96 0.1+ 0.3+
170319 F51 0.3- 0.2+ 210404 G96 0.2+ 0.3- 210501 G96 0.6+ 0.2+
170319 F51 0.1- 0.1- 210404 G96 0.2+ 0.1+ 210501 G96 0.3+ 0.1-
170319 F51 0.2- 0.1- 210404 G96 0.0 0.0 210501 G96 0.2+ 0.1-
170327 F51 0.0 0.1- 210409 F51 0.0 0.0 210501 G96 0.8+ 0.9-
170327 F51 0.4+ 0.0 210409 F51 0.1- 0.1- 210502 G96 0.0 0.9-
170327 F51 0.1- 0.1+ 210410 G96 0.0 0.3- 210502 G96 0.2- 0.7-
170327 F51 0.0 0.1- 210410 G96 0.0 0.2+ 210502 G96 0.3+ 0.2-
170328 F51 0.1- 0.1+ 210410 G96 0.4+ 0.3-
Ephemeris:
2021 GR44 a,e,i = 2.51, 0.50, 13 q = 1.2587
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 04 02 13 26 46.1 -17 25 16 1.4428 2.4185 163.7 6.6 21.7
...
2021 04 17 13 11 18.3 -14 47 32 1.3355 2.3333 171.7 3.5 21.3
...
2021 04 25 13 02 45.4 -13 06 46 1.3040 2.2869 163.7 7.1 21.4
...
2021 05 01 12 56 45.7 -11 48 09 1.2916 2.2517 156.5 10.3 21.5
2021 05 02 12 55 49.2 -11 35 00 1.2905 2.2458 155.3 10.8 21.5
2021 05 03 12 54 53.8 -11 21 53 1.2895 2.2399 154.1 11.3 21.5
...
2021 05 09 12 49 49.6 -10 04 25 1.2890 2.2042 146.8 14.5 21.6
...
2021 05 17 12 44 34.8 -08 27 42 1.3001 2.1561 137.4 18.5 21.7
...
2021 06 01 12 40 20.1 -06 01 08 1.3488 2.0647 121.2 24.8 21.9
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-J13
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