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
2011-04-23 08:11:09 C 15 24 04.14 -50 23 16.1 o 807
2011-04-23 08:19:52 C 15 24 04.64 -50 23 29.2 o 807
2011-04-23 08:31:09 C 15 24 05.36 -50 23 45.7 o 807
2011-04-26 08:39:36 C 15 29 15.78 -52 14 39.3 o 807
2011-04-26 08:46:09 C 15 29 16.24 -52 14 49.1 o 807
2011-04-26 08:52:44 C 15 29 16.69 -52 14 59.2 o 807
2011-04-26 08:58:28 C 15 29 17.09 -52 15 08.0 o 807
2011-04-26 09:26:52 C 15 29 19.01 -52 15 50.4 o 807
2011-05-06 06:21:57 C 15 50 58.76 -58 33 47.5 o 807
2011-05-06 06:23:36 C 15 50 58.94 -58 33 50.2 o 807
2011-05-06 06:25:45 C 15 50 59.14 -58 33 53.6 o 807
2011-05-06 06:27:50 C 15 50 59.35 -58 33 56.9 o 807
2011-05-06 06:28:40 C 15 50 59.43 -58 33 58.3 o 807
2011-05-06 06:29:54 C 15 50 59.56 -58 34 00.2 o 807
2011-05-06 06:41:47 C 15 51 00.73 -58 34 19.1 o 807
2011-05-06 06:43:24 C 15 51 00.89 -58 34 21.9 o 807
2011-05-06 06:45:51 C 15 51 01.14 -58 34 25.5 o 807
2011-05-06 06:46:41 C 15 51 01.22 -58 34 26.9 o 807
2011-05-17 07:33:38 C 16 32 37.94 -65 32 54.1 o 807
2011-05-17 07:44:43 C 16 32 40.14 -65 33 10.0 o 807
2011-05-17 07:55:01 C 16 32 42.20 -65 33 24.8 o 807
2011-05-20 07:34:22 C 16 49 47.29 -67 16 43.6 o 807
2011-05-20 07:38:41 C 16 49 48.32 -67 16 49.4 o 807
2011-05-20 07:41:17 C 16 49 48.98 -67 16 52.8 o 807
2011-05-20 07:47:20 C 16 49 50.50 -67 17 00.9 o 807
2011-05-20 07:48:12 C 16 49 50.69 -67 17 02.0 o 807
2011-06-01 18:47:13 C 18 42 52.22 -71 52 48.0 c E03
2011-06-01 18:52:30 C 18 42 54.74 -71 52 48.2 c E03
2011-06-27 18:52:01 C 22 17 14.05 -55 54 05.5 r E12
2011-06-27 19:25:34 C 22 17 17.53 -55 52 30.7 r E12
2011-06-27 19:42:29 C 22 17 19.29 -55 51 42.6 r E12
2011-06-28 17:57:47 C 22 20 02.27 -54 49 26.4 u D90
2011-06-28 18:06:03 C 22 20 03.03 -54 49 03.3 u D90
2011-06-28 18:13:20 C 22 20 03.70 -54 48 42.9 u D90
2011-06-29 15:30:19 C 22 22 25.88 -53 48 05.9 c E03
2011-06-29 15:31:34 C 22 22 25.99 -53 48 02.4 c E03
2011-06-29 15:32:54 C 22 22 26.12 -53 47 58.8 c E03
2011-06-29 15:34:11 C 22 22 26.21 -53 47 55.2 c E03
2011-06-29 15:35:27 C 22 22 26.33 -53 47 51.8 c E03
2011-06-29 15:36:42 C 22 22 26.45 -53 47 48.3 c E03
2011-07-25 09:12:42 C 22 34 36.25 -23 45 36.8 o 807
2011-07-25 09:14:36 C 22 34 36.18 -23 45 31.6 o 807
2011-07-25 09:16:30 C 22 34 36.09 -23 45 26.8 o 807
2011-07-25 09:18:24 C 22 34 36.00 -23 45 21.9 o 807
2011-07-26 09:58:34 C 22 33 49.78 -22 43 00.7 o 807
2011-07-26 10:01:08 C 22 33 49.69 -22 42 54.2 o 807
2011-07-26 10:03:41 C 22 33 49.57 -22 42 47.9 o 807
2011-07-26 10:08:46 C 22 33 49.37 -22 42 34.7 o 807
2011-07-27 23:36:55 C 22 32 36.91 -21 11 30.9 r A84
2011-07-27 23:38:19 C 22 32 36.85 -21 11 27.4 r A84