420187 (2011 GA55)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4825978834 ± 7.39e-09
Semi-major axis (a)2.1705860790 AU ± 5.37e-09
Inclination (i)8.73138493° ± 1.55e-06
Long. of Asc. Node (Ω)319.63278299° ± 4.65e-06
Arg. of Perihelion (ω)317.27360728° ± 6.14e-06
Mean Anomaly (M)184.45120450° ± 7.01e-06
Mean Motion (n)0.3082100218°/day ± 1.14e-09
Perihelion dist (q)1.12306583 AU ± 1.63e-08
Aphelion dist (Q)3.21810633 AU ± 1.79e-08
Orbital Period3.19790472 yr ± 1.19e-08
Physical Parameters
H (abs. magnitude)18.16
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.181″
Uncertainty0
Orbit TypeAmor
MOID0.140014 AU
Observations Used450
Oppositions11
Arc Total2008-2024
First Observation Used2008-10-10
Last Observation Used2024-12-01
Observations (472)
Date Type RA Dec Mag Band Observatory
2011-07-27 23:39:44 C 22 32 36.80 -21 11 24.0 r A84
2011-07-27 23:41:09 C 22 32 36.72 -21 11 20.7 r A84
2011-07-27 23:42:33 C 22 32 36.66 -21 11 17.2 r A84
2011-07-27 23:44:00 C 22 32 36.60 -21 11 13.8 r A84
2011-07-27 23:45:24 C 22 32 36.52 -21 11 10.2 r A84
2011-07-27 23:46:50 C 22 32 36.46 -21 11 07.0 r A84
2011-07-27 23:48:15 C 22 32 36.39 -21 11 03.3 r A84
2011-07-27 23:49:41 C 22 32 36.32 -21 11 00.2 r A84
2011-08-01 01:42:35 C 22 28 55.33 -17 27 17.9 v 204
2011-08-01 01:46:30 C 22 28 55.12 -17 27 09.4 v 204
2011-08-01 01:49:50 C 22 28 54.96 -17 27 02.2 v 204
2011-08-01 01:53:11 C 22 28 54.79 -17 26 54.8 v 204
2011-08-01 01:57:06 C 22 28 54.60 -17 26 46.5 v 204
2011-08-02 22:54:55 C 22 27 05.98 -15 52 13.7 u C01
2011-08-02 22:56:19 C 22 27 05.90 -15 52 10.7 u C01
2011-08-02 22:59:07 C 22 27 05.77 -15 52 05.3 u C01
2011-08-02 23:00:30 C 22 27 05.71 -15 52 02.4 u C01
2011-08-02 23:01:53 C 22 27 05.63 -15 51 59.5 u C01
2011-08-02 23:03:08 C 22 27 05.59 -15 51 57.1 u C01
2011-08-02 23:04:01 C 22 27 05.54 -15 51 55.4 u C01
2011-08-02 23:04:54 C 22 27 05.49 -15 51 53.5 u C01
2011-08-02 23:05:47 C 22 27 05.45 -15 51 51.5 u C01
2011-08-02 23:06:42 C 22 27 05.41 -15 51 50.0 u C01
2011-08-02 23:07:35 C 22 27 05.37 -15 51 48.1 u C01
2011-08-02 23:09:23 C 22 27 05.28 -15 51 44.5 u C01
2011-08-02 23:10:15 C 22 27 05.23 -15 51 42.4 u C01
2011-08-02 23:11:11 C 22 27 05.19 -15 51 40.7 u C01
2011-08-02 23:13:37 C 22 27 05.07 -15 51 34.9 u C47
2011-08-02 23:16:50 C 22 27 04.92 -15 51 28.5 u C47
2011-08-02 23:23:14 C 22 27 04.60 -15 51 15.5 u C47
2011-08-02 23:47:33 C 22 27 03.38 -15 50 25.9 u C47
2011-08-02 23:50:14 C 22 27 03.26 -15 50 20.3 u C47
2011-08-03 00:32:36 C 22 27 01.16 -15 48 55.0 u C01
2011-08-03 00:34:23 C 22 27 01.08 -15 48 51.4 u C01
2011-08-03 00:36:10 C 22 27 00.98 -15 48 47.8 u C01
2011-08-06 22:41:52 C 22 23 02.125 -12 48 17.40 u 089
2011-08-06 22:42:53 C 22 23 02.049 -12 48 15.72 u 089
2011-08-06 22:43:54 C 22 23 02.029 -12 48 14.13 u 089
2011-08-06 22:44:56 C 22 23 01.963 -12 48 12.17 u 089
2011-08-06 22:45:57 C 22 23 01.920 -12 48 09.98 u 089
2011-08-06 22:46:59 C 22 23 01.839 -12 48 08.25 u 089
2011-08-06 22:48:01 C 22 23 01.797 -12 48 06.23 u 089
2011-08-06 22:49:03 C 22 23 01.758 -12 48 04.77 u 089
2011-08-06 22:50:04 C 22 23 01.715 -12 48 02.99 u 089
2011-08-06 22:51:06 C 22 23 01.675 -12 48 01.30 u 089
2011-08-06 22:52:07 C 22 23 01.603 -12 47 58.96 u 089
2011-08-06 22:53:08 C 22 23 01.558 -12 47 57.57 u 089
2011-08-06 22:54:09 C 22 23 01.493 -12 47 55.59 u 089
2011-08-06 22:55:11 C 22 23 01.457 -12 47 53.99 u 089
2011-08-06 22:56:12 C 22 23 01.398 -12 47 51.93 u 089