MPEC 2021-G38 : 2021 GH1
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M.P.E.C. 2021-G38 Issued 2021 April 4, 22:50 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 GH1
Observations:
K21G01H C2021 03 15.33897711 40 48.750+12 44 16.38 21.73GVEG038F52
K21G01H C2021 03 15.35122111 40 48.597+12 43 58.33 22.30GVEG038F52
K21G01H C2021 03 15.36343211 40 48.426+12 43 40.10 21.96GVEG038F52
K21G01H* C2021 04 03.22849811 44 51.69 +00 51 04.4 21.97GVEG038G96
K21G01H C2021 04 03.23411911 44 51.69 +00 50 47.7 21.16GVEG038G96
K21G01H C2021 04 03.23972711 44 51.72 +00 50 30.4 21.43GVEG038G96
K21G01H C2021 04 03.24536111 44 51.86 +00 50 13.6 20.66GVEG038G96
K21G01H KC2021 04 03.31932711 44 52.78 +00 46 30.2 20.59GVEG038V06
K21G01H KC2021 04 03.32288111 44 52.81 +00 46 19.3 21.06GVEG038V06
K21G01H KC2021 04 03.32644011 44 52.85 +00 46 08.4 20.52GVEG038V06
K21G01H KC2021 04 03.32999911 44 52.91 +00 45 57.5 21.12GVEG038V06
K21G01H KC2021 04 04.17548211 45 24.35 +00 02 51.0 20.97GVEG038I52
K21G01H KC2021 04 04.18008711 45 24.45 +00 02 37.1 20.34GVEG038I52
K21G01H KC2021 04 04.18469211 45 24.52 +00 02 22.8 20.71GVEG038I52
K21G01H bC2021 04 04.88202211 45 48.75 -00 33 57.4 21.2 GVEG038L01
K21G01H bC2021 04 04.88475111 45 48.83 -00 34 05.8 21.3 GVEG038L01
K21G01H bC2021 04 04.88670211 45 48.82 -00 34 11.9 21.1 GVEG038L01
Observer details:
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, I. Smith. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + 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 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. 1.0-m reflector +
CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
V06 Catalina Sky Survey-Kuiper. 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. 1.55-m reflector +
1K CCD.
Orbital elements:
2021 GH1 Earth MOID = 0.1372 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 313.98764 (2000.0) P Q
n 0.37028309 Peri. 197.21346 -0.88849241 +0.45852906
a 1.9206437 Node 10.13709 -0.40789157 -0.77092314
e 0.4073733 Incl. 5.94524 -0.21025153 -0.44207308
P 2.66 H 24.26 G 0.15 U 8
Residuals in seconds of arc
210315 F52 0.2+ 0.1+ 210403 G96 0.1+ 0.0- 210404 I52 0.0- 0.1-
210315 F52 0.2+ 0.1+ 210403 G96 0.6- 0.3- 210404 I52 0.1+ 0.2+
210315 F52 0.0+ 0.1+ 210403 G96 0.4+ 0.2- 210404 I52 0.0+ 0.1+
210315 F52 0.0+ 0.1+ 210403 V06 0.0+ 0.3+ 210404 L01 0.2- 0.2-
210315 F52 0.2- 0.1- 210403 V06 0.3- 0.2+ 210404 L01 0.1+ 0.1-
210315 F52 0.2- 0.1- 210403 V06 0.4- 0.1+ 210404 L01 0.6- 0.0-
210403 G96 1.1+ 0.3- 210403 V06 0.3- 0.0-
Ephemeris:
2021 GH1 a,e,i = 1.92, 0.41, 6 q = 1.1382
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 03 05 11 40 00.3 +16 04 03 0.2444 1.2307 166.5 10.9 22.3
...
2021 03 20 11 41 02.4 +10 33 52 0.1893 1.1821 168.9 9.3 21.6
...
2021 03 28 11 42 21.4 +05 40 42 0.1692 1.1629 166.0 12.0 21.5
...
2021 04 03 11 44 43.6 +01 03 05 0.1582 1.1519 162.9 14.8 21.4
2021 04 04 11 45 16.6 +00 12 24 0.1567 1.1504 162.3 15.3 21.4
2021 04 05 11 45 52.6 -00 39 24 0.1554 1.1490 161.8 15.8 21.4
...
2021 04 11 11 50 40.9 -06 10 33 0.1493 1.1422 158.3 18.9 21.4
...
2021 04 19 12 00 54.2 -14 02 26 0.1471 1.1383 153.9 22.9 21.5
...
2021 05 04 12 32 58.5 -27 36 16 0.1605 1.1469 147.5 28.2 21.8
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-G38
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