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
2024-10-31 08:10:56 C 02 03 37.621 +28 50 58.25 X F52
2024-10-31 08:26:16 C 02 03 36.670 +28 50 53.04 X F52
2024-10-31 08:41:35 C 02 03 35.743 +28 50 47.71 X F52
2024-11-03 15:20:00 C 01 59 04.02 +28 23 14.8 V D29
2024-11-03 15:30:11 C 01 59 03.42 +28 23 10.7 V D29
2024-11-06 13:41:52 C 01 55 15.26 +27 57 26.7 V D29
2024-11-06 14:02:13 C 01 55 14.18 +27 57 19.3 V D29
2024-11-21 07:39:33 C 01 40 21.047 +25 43 42.71 V G96
2024-11-21 07:47:03 C 01 40 20.755 +25 43 39.50 V G96
2024-11-21 07:54:33 C 01 40 20.597 +25 43 37.13 V G96
2024-11-21 08:02:03 C 01 40 20.388 +25 43 33.74 V G96
2024-11-28 05:27:57 C 01 36 07.806 +24 45 51.17 X F52
2024-11-28 05:46:16 C 01 36 07.414 +24 45 45.02 X F52
2024-11-28 06:04:40 C 01 36 07.016 +24 45 38.82 X F52
2024-11-28 06:23:11 C 01 36 06.626 +24 45 33.04 X F52
2024-11-29 05:22:31 C 01 35 40.096 +24 38 01.42 X F52
2024-11-29 05:55:22 C 01 35 39.444 +24 37 50.82 X F52
2024-11-29 06:11:47 C 01 35 39.120 +24 37 45.56 X F52
2024-12-01 04:03:05 C 01 34 52.183 +24 23 09.82 V V00
2024-12-01 04:11:11 C 01 34 52.046 +24 23 07.33 V V00
2024-12-01 04:19:16 C 01 34 51.902 +24 23 04.85 V V00
2024-12-01 04:27:21 C 01 34 51.776 +24 23 02.29 V V00