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
2020-01-26 08:40:01 C 08 38 51.374 +21 42 03.61 U F51
2020-01-26 08:57:37 C 08 38 50.407 +21 42 05.90 U F51
2020-01-26 09:15:27 C 08 38 49.438 +21 42 07.78 U F51
2021-11-05 07:35:26 C 03 48 27.19 +34 01 53.0 V G96
2021-11-05 07:45:54 C 03 48 26.52 +34 01 50.6 V G96
2021-11-05 07:53:24 C 03 48 26.06 +34 01 49.3 V G96
2021-11-05 08:00:53 C 03 48 25.63 +34 01 47.4 V G96
2021-11-06 08:39:54 C 03 46 58.660 +33 58 51.69 U F52
2021-11-06 08:56:20 C 03 46 57.685 +33 58 49.57 U F52
2021-11-06 09:29:09 C 03 46 55.700 +33 58 45.43 U F52
2021-11-26 08:03:07 C 03 18 51.970 +32 18 03.47 U F51
2021-11-26 08:21:03 C 03 18 50.973 +32 17 58.54 U F51
2021-11-26 08:41:19 C 03 18 49.856 +32 17 53.13 U F51
2024-04-18 09:17:57 C 22 41 30.01 -11 29 00.9 X W84
2024-04-18 09:30:27 C 22 41 31.74 -11 28 47.1 X W84
2024-04-18 09:42:52 C 22 41 33.47 -11 28 33.4 X W84
2024-04-18 09:55:36 C 22 41 35.24 -11 28 19.4 X W84
2024-04-19 09:19:48 C 22 44 50.67 -11 02 21.8 X W84
2024-04-19 09:32:14 C 22 44 52.37 -11 02 08.1 X W84
2024-04-19 09:44:44 C 22 44 54.09 -11 01 54.4 X W84
2024-04-19 09:57:14 C 22 44 55.82 -11 01 40.5 X W84
2024-04-20 09:35:21 C 22 48 11.51 -10 35 27.4 X W84
2024-04-20 09:41:27 C 22 48 12.34 -10 35 20.7 X W84
2024-04-20 09:54:46 C 22 48 14.16 -10 35 05.8 X W84
2024-06-08 14:12:14 C 01 03 22.994 +09 16 09.83 X F51
2024-06-08 14:17:49 C 01 03 23.515 +09 16 14.71 X F51
2024-06-08 14:23:24 C 01 03 24.051 +09 16 19.50 X F51
2024-06-08 14:28:57 C 01 03 24.583 +09 16 24.22 X F51
2024-09-05 09:37:04 C 03 02 43.627 +29 05 27.85 V G96
2024-09-05 09:44:29 C 03 02 43.588 +29 05 29.76 V G96
2024-09-05 09:51:54 C 03 02 43.602 +29 05 31.70 V G96
2024-09-05 09:59:19 C 03 02 43.602 +29 05 33.68 V G96
2024-09-25 14:35:42 C 02 52 49.045 +30 44 33.60 X F52
2024-09-25 14:47:07 C 02 52 48.570 +30 44 34.47 X F52
2024-09-25 14:58:31 C 02 52 48.103 +30 44 35.79 X F52
2024-10-05 14:37:03 C 02 41 29.951 +30 53 34.88 X F52
2024-10-05 14:47:32 C 02 41 29.372 +30 53 34.64 X F52
2024-10-05 14:58:01 C 02 41 28.769 +30 53 34.22 X F52
2024-10-05 15:08:29 C 02 41 28.188 +30 53 33.57 X F52
2024-10-12 10:00:55 C 02 32 02.219 +30 41 01.90 X F51
2024-10-12 10:19:39 C 02 32 01.055 +30 40 59.43 X F51
2024-10-12 10:38:38 C 02 31 59.836 +30 40 57.11 X F51
2024-10-25 08:47:07 C 02 12 24.688 +29 36 02.60 X F52
2024-10-25 09:04:19 C 02 12 23.570 +29 35 57.70 X F52
2024-10-25 09:21:30 C 02 12 22.457 +29 35 53.05 X F52
2024-10-25 09:38:46 C 02 12 21.350 +29 35 48.00 X F52
2024-10-27 05:49:44 C 02 09 35.687 +29 22 41.95 V G96
2024-10-27 05:57:10 C 02 09 35.226 +29 22 39.65 V G96
2024-10-27 06:04:36 C 02 09 34.729 +29 22 37.31 V G96
2024-10-27 06:12:03 C 02 09 34.254 +29 22 35.11 V G96