MPEC 2021-H16 : 2021 GE13
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M.P.E.C. 2021-H16 Issued 2021 April 16, 19:51 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 GE13
Observations:
K21G13E* C2021 04 10.58087720 31 31.549+05 21 50.49 20.79wUEH016F52
K21G13E C2021 04 10.60144020 31 36.064+05 21 42.06 20.82wUEH016F52
K21G13E C2021 04 10.61170620 31 38.303+05 21 38.27 20.62wUEH016F52
K21G13E 4C2021 04 11.22445 20 33 54.66 +05 17 21.2 20.7 GVEH016J04
K21G13E 4C2021 04 11.22751 20 33 55.33 +05 17 19.6 21.1 GVEH016J04
K21G13E C2021 04 11.46417120 34 48.02 +05 15 39.1 20.3 GVEH016H01
K21G13E C2021 04 11.47809620 34 51.09 +05 15 33.3 20.3 GVEH016H01
K21G13E C2021 04 11.48626920 34 52.89 +05 15 29.9 20.1 GVEH016H01
K21G13E C2021 04 11.49018220 34 53.75 +05 15 28.3 20.1 GVEH016H01
K21G13E ^C2021 04 11.61575820 35 21.757+05 14 36.92 20.38GVEH016568
K21G13E ^C2021 04 11.61673520 35 21.979+05 14 36.50 20.25GVEH016568
K21G13E ^C2021 04 11.61967120 35 22.626+05 14 35.26 20.30GVEH016568
K21G13E ^C2021 04 11.62064920 35 22.816+05 14 34.97 20.33GVEH016568
K21G13E KC2021 04 13.43788220 42 07.35 +05 01 23.0 VEH016I52
K21G13E KC2021 04 13.44040720 42 07.88 +05 01 22.1 VEH016I52
K21G13E KC2021 04 13.44166920 42 08.27 +05 01 21.6 20.27GVEH016I52
K21G13E 1C2021 04 14.12192 20 44 39.86 +04 56 18.3 21.9 VVEH016033
K21G13E 1C2021 04 14.12377 20 44 40.25 +04 56 17.5 20.7 VVEH016033
K21G13E KC2021 04 14.41428 20 45 44.70 +04 54 03.7 20.4 RqEH016H36
K21G13E KC2021 04 14.42563 20 45 47.41 +04 53 59.0 20.8 RqEH016H36
K21G13E KC2021 04 14.43699 20 45 49.84 +04 53 55.4 20.5 RqEH016H36
K21G13E KC2021 04 15.45623420 49 36.98 +04 46 05.7 20.15GVEH016I52
K21G13E KC2021 04 15.45749520 49 37.08 +04 46 04.8 19.70GVEH016I52
K21G13E KC2021 04 15.45875720 49 37.44 +04 46 04.1 20.38GVEH016I52
K21G13E KC2021 04 15.46391920 49 38.61 +04 46 01.7 19.99GVEH016I52
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hoegner, U. Laux, F. Ludwig, B. Stecklum. Measurer B. Stecklum. 1.34-m
f/3 Schmidt + CCD.
568 Mauna Kea. Observers R. Wainscoat, C. Crowder, T. Burdullis. Measurers
R. Weryk, R. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Dukes, T. Lowe, A.
Schultz, M. Willman. Measurers K. Chambers, S. Chastel, T. de Boer, L.
Denneau, J. Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + 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.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer D. C. Fuls. 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.
J04 ESA Optical Ground Station, Tenerife. Observer P. Ruiz. Measurers A.
Knofel, D. Koschny, M. Busch, M. Micheli, E. Schwab, R. Kresken. 1.0-m
f/4.4 reflector + CCD.
Orbital elements:
2021 GE13 Earth MOID = 0.1632 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 317.84453 (2000.0) P Q
n 0.30766911 Peri. 156.12048 +0.07193297 +0.89164766
a 2.1731021 Node 115.26006 -0.97609038 +0.15509104
e 0.4686885 Incl. 29.61950 -0.20511756 -0.42533659
P 3.20 H 18.31 G 0.15 U 9
Residuals in seconds of arc
210410 F52 0.1+ 0.0 210411 568 0.1- 0.0 210414 H36 1.6- 0.5-
210410 F52 0.2- 0.0 210411 568 0.0 0.0 210414 H36 1.4+ 0.1-
210410 F52 (0.5- 0.4+) 210411 568 0.0 0.0 210414 H36 0.2+ 1.4+
210411 J04 0.1- 0.1+ 210411 568 (0.3- 0.1+) 210415 I52 1.0+ 0.3+
210411 J04 0.1- 0.2- 210413 I52 (1.4- 0.6-) 210415 I52 (1.6- 0.0 )
210411 H01 0.0 0.1- 210413 I52 (1.9- 0.4-) 210415 I52 0.4- 0.1-
210411 H01 0.0 0.0 210413 I52 0.2- 0.3- 210415 I52 0.0 0.1-
210411 H01 0.0 0.0 210414 033 (3.5+ 3.0+)
210411 H01 0.1- 0.0 210414 033 (3.2+ 3.0+)
Ephemeris:
2021 GE13 a,e,i = 2.17, 0.47, 30 q = 1.1546
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 03 17 19 00 52.5 +07 24 00 1.1458 1.2609 71.8 48.5 20.9
...
2021 04 01 19 56 02.7 +06 20 17 1.0761 1.2059 70.9 51.6 20.8
...
2021 04 09 20 25 39.3 +05 32 35 1.0443 1.1839 70.7 53.0 20.7
...
2021 04 15 20 47 54.7 +04 49 41 1.0225 1.1712 70.6 53.9 20.7
2021 04 16 20 51 37.5 +04 41 55 1.0190 1.1695 70.6 54.1 20.7
2021 04 17 20 55 20.2 +04 33 58 1.0156 1.1678 70.7 54.2 20.7
...
2021 04 23 21 17 37.7 +03 42 21 0.9960 1.1598 70.8 55.0 20.6
...
2021 05 01 21 47 21.8 +02 23 11 0.9726 1.1548 71.3 55.7 20.6
...
2021 05 16 22 42 50.3 -00 36 09 0.9366 1.1632 73.2 56.3 20.5
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-H16
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