MPEC 2021-G11 : 2021 GG
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M.P.E.C. 2021-G11 Issued 2021 April 2, 22:54 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 GG
Observations:
K21G00G C2021 03 20.30843808 59 30.474+66 22 53.86 20.22GVEG011F51
K21G00G* C2021 04 01.17198808 26 48.30 +28 59 36.5 20.40GVEG011G96
K21G00G C2021 04 01.18514608 26 47.52 +28 57 19.1 20.41GVEG011G96
K21G00G C2021 04 01.19302908 26 47.04 +28 55 56.5 20.21GVEG011G96
K21G00G C2021 04 01.19827408 26 46.73 +28 55 01.8 20.35GVEG011G96
K21G00G KC2021 04 01.22494 08 26 44.88 +28 50 18.1 19.9 RqEG011734
K21G00G KC2021 04 01.23517 08 26 44.33 +28 48 31.2 19.9 RqEG011734
K21G00G KC2021 04 01.24027 08 26 44.06 +28 47 37.2 20.0 RqEG011734
K21G00G KC2021 04 01.29925008 26 41.01 +28 37 26.6 19.80GVEG011I52
K21G00G KC2021 04 01.30077408 26 40.92 +28 37 10.6 19.69GVEG011I52
K21G00G KC2021 04 01.30229708 26 40.83 +28 36 55.4 19.72GVEG011I52
K21G00G KC2021 04 01.30381808 26 40.76 +28 36 39.5 19.85GVEG011I52
K21G00G KC2021 04 01.78318108 26 20.41 +27 14 28.9 20.2 GVEG011595
K21G00G KC2021 04 01.80232508 26 19.46 +27 11 14.1 19.9 GVEG011595
K21G00G KC2021 04 01.83456 08 26 17.84 +27 05 46.3 20.1 GVEG011204
K21G00G KC2021 04 01.84949608 26 16.92 +27 03 13.7 20.4 GVEG011595
K21G00G KC2021 04 01.85288 08 26 16.90 +27 02 39.7 VEG011204
K21G00G bC2021 04 01.85568908 26 16.67 +27 02 10.0 20.6 GVEG011L01
K21G00G bC2021 04 01.85720308 26 16.59 +27 01 55.6 20.3 GVEG011L01
K21G00G bC2021 04 01.86088508 26 16.35 +27 01 17.1 20.6 GVEG011L01
K21G00G bC2021 04 01.86348508 26 16.24 +27 00 51.1 20.4 GVEG011L01
K21G00G KC2021 04 01.87275008 26 15.86 +26 59 17.4 20.1 GVEG011K63
K21G00G KC2021 04 01.87631508 26 15.70 +26 58 40.8 20.8 GVEG011K63
K21G00G KC2021 04 01.88807 08 26 15.09 +26 56 40.8 20.4 GVEG011L06
K21G00G KC2021 04 01.88976 08 26 15.01 +26 56 23.7 20.1 GVEG011L06
K21G00G KC2021 04 01.89109 08 26 14.93 +26 56 10.2 20.3 GVEG011L06
K21G00G KC2021 04 02.08069 08 26 07.80 +26 24 18.8 qEG011H36
K21G00G KC2021 04 02.08739 08 26 07.46 +26 23 11.5 20.1 RqEG011H36
K21G00G KC2021 04 02.08814308 26 07.20 +26 23 03.6 20.5 VuEG011H21
K21G00G KC2021 04 02.09099808 26 07.07 +26 22 34.8 20.5 VuEG011H21
K21G00G KC2021 04 02.09385208 26 06.92 +26 22 06.3 20.9 VuEG011H21
K21G00G KC2021 04 02.09410 08 26 07.10 +26 22 01.4 20.5 RqEG011H36
K21G00G KC2021 04 02.11399308 26 06.55 +26 18 46.9 19.96GVEG011I52
K21G00G KC2021 04 02.11525408 26 06.50 +26 18 34.2 20.09GVEG011I52
K21G00G KC2021 04 02.11651508 26 06.43 +26 18 21.6 19.89GVEG011I52
K21G00G C2021 04 02.17222608 26 03.55 +26 09 01.8 20.15GVEG011G96
K21G00G C2021 04 02.17744508 26 03.29 +26 08 09.3 20.22GVEG011G96
K21G00G C2021 04 02.18265908 26 03.02 +26 07 17.0 20.24GVEG011G96
K21G00G C2021 04 02.18788208 26 02.75 +26 06 24.2 20.36GVEG011G96
K21G00G KC2021 04 02.82466608 25 38.94 +24 21 19.0 19.8 GVEG011104
K21G00G KC2021 04 02.83065908 25 38.65 +24 20 20.2 19.5 GVEG011104
K21G00G KC2021 04 02.83662808 25 38.37 +24 19 22.4 20.0 GVEG011104
K21G00G KC2021 04 02.84448108 25 38.35 +24 18 04.9 VEG011I93
K21G00G KC2021 04 02.86544308 25 37.39 +24 14 40.0 20.5 GVEG011I93
K21G00G KC2021 04 02.88368108 25 36.34 +24 11 42.0 19.9 GVEG011587
K21G00G KC2021 04 02.88646308 25 36.24 +24 11 15.0 20.5 GVEG011587
K21G00G KC2021 04 02.88925108 25 36.12 +24 10 47.8 20.2 GVEG011587
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector +
CCD.
587 Sormano. Observers E. Colzani, E. Valli. Measurer P. Sicoli. 0.5-m
f/6.8 reflector + CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.61-m f/4.5 reflector + CCD.
734 Farpoint Observatory, Eskridge. Observers G. Hug, D. Cromer, D. Goodin,
R. Valentine. Measurer D. Cromer. 0.7-m reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, 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. Observers T. A. Pruyne, 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.81-m f/4.0
astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers G. J. Leonard, 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.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.41-m
f/3.2 Newtonian reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
L06 Sormano 2 Observatory, Bellagio Via Lattea. Observer G. Ventre. Measurer
P. Sicoli. 0.36-m Schmidt-Cassegrain + CCD.
Orbital elements:
2021 GG Earth MOID = 0.1532 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 326.75454 (2000.0) P Q
n 0.45547916 Peri. 145.71587 -0.82030072 -0.57178786
a 1.6729786 Node 359.05348 +0.16245646 -0.21138812
e 0.3416832 Incl. 51.11946 +0.54837453 -0.79270026
P 2.16 H 20.69 G 0.15 U 9
Residuals in seconds of arc
210320 F51 (8.0- 52.8-) 210401 204 0.1+ 0.3+ 210402 H36 (0.8- 2.6-)
210401 G96 0.1- 0.2+ 210401 L01 0.7+ 0.7- 210402 I52 0.3- 0.1+
210401 G96 0.1+ 0.3+ 210401 L01 0.6+ 0.3+ 210402 I52 0.1- 0.1+
210401 G96 0.0- 0.0- 210401 L01 0.1- 0.7- 210402 I52 0.1- 0.1+
210401 G96 0.0- 0.1+ 210401 L01 0.3+ 0.3- 210402 G96 0.1- 0.1+
210401 734 0.4- 0.2- 210401 K63 0.7+ 0.4- 210402 G96 0.0+ 0.1+
210401 734 0.2- 0.1- 210401 K63 1.0+ 0.7- 210402 G96 0.0+ 0.2+
210401 734 0.1- 0.8- 210401 K63 1.0+ 0.7- 210402 G96 0.1- 0.1-
210401 I52 0.2+ 0.3- 210401 L06 0.2+ 0.3- 210402 104 0.7+ 0.1-
210401 I52 0.2+ 0.4- 210401 L06 0.3+ 0.2- 210402 104 0.4+ 0.4-
210401 I52 0.1- 0.3+ 210401 L06 0.1+ 0.2- 210402 104 0.2+ 0.1+
210401 I52 0.2+ 0.3+ 210402 H36 0.6- 0.2- 210402 I93 0.9+ 0.8-
210401 595 0.4- 0.2- 210402 H36 0.6- 0.0- 210402 I93 0.5+ 1.2-
210401 595 0.5+ 0.1+ 210402 H21 0.5- 0.0- 210402 587 0.3- 0.0+
210401 204 0.1- 0.4+ 210402 H21 0.2- 0.1- 210402 587 0.1- 0.1+
210401 595 0.4- 0.2+ 210402 H21 0.3- 0.2+ 210402 587 0.1- 0.1+
Ephemeris:
2021 GG a,e,i = 1.67, 0.34, 51 q = 1.1013
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 03 03 18 19 34.0 +75 57 36 0.4520 1.1017 91.7 64.1 21.4
...
2021 03 18 09 21 00.8 +72 49 12 0.3100 1.1147 104.6 59.8 20.5
...
2021 03 26 08 35 50.0 +48 23 04 0.2866 1.1289 110.2 56.0 20.3
...
2021 04 01 08 26 57.4 +29 29 46 0.3062 1.1425 110.4 55.1 20.4
2021 04 02 08 26 11.2 +26 38 07 0.3124 1.1450 110.1 55.1 20.5
2021 04 03 08 25 33.1 +23 53 12 0.3193 1.1476 109.7 55.1 20.5
...
2021 04 09 08 23 53.1 +09 53 00 0.3732 1.1644 106.6 55.5 20.9
...
2021 04 17 08 25 19.5 -02 58 47 0.4673 1.1900 101.7 55.7 21.4
...
2021 05 02 08 34 01.8 -16 43 15 0.6696 1.2464 93.8 53.8 22.3
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-G11
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