549328 (2011 GO27)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4715837298 ± 2.88e-09
Semi-major axis (a)1.8553479198 AU ± 9.75e-10
Inclination (i)6.66508039° ± 7.74e-07
Long. of Asc. Node (Ω)336.77844251° ± 5.51e-06
Arg. of Perihelion (ω)95.88469161° ± 5.90e-06
Mean Anomaly (M)354.80978068° ± 5.67e-07
Mean Motion (n)0.3900086449°/day ± 3.08e-10
Perihelion dist (q)0.98039603 AU ± 5.36e-09
Aphelion dist (Q)2.73029981 AU ± 5.53e-09
Orbital Period2.52719086 yr ± 1.99e-09
Physical Parameters
H (abs. magnitude)18.95
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.170″
Uncertainty0
Orbit TypeApollo
MOID0.102674 AU
Observations Used972
Oppositions9
Arc Total2011-2026
First Observation Used2011-04-03
Last Observation Used2026-01-11
Observations (1100)
Date Type RA Dec Mag Band Observatory
2021-02-13 13:26:32 C 12 24 34.286 -03 17 19.07 U F52
2021-02-13 13:30:14 C 12 24 34.023 -03 17 19.47 U F52
2021-02-15 11:40:19 C 12 21 23.78 -03 21 42.5 V T08
2021-02-15 11:44:19 C 12 21 23.53 -03 21 43.9 V T08
2021-02-15 12:17:48 C 12 21 20.97 -03 21 45.8 V T08
2021-02-15 12:25:06 C 12 21 20.47 -03 21 47.3 V T08
2021-02-18 08:10:51 C 12 16 23.20 -03 25 42.8 V 703
2021-02-18 08:18:23 C 12 16 22.69 -03 25 43.9 V 703
2021-02-18 08:33:27 C 12 16 21.43 -03 25 43.0 V 703
2021-02-19 09:15:45 C 12 14 28.27 -03 26 25.2 V 703
2021-02-19 09:38:58 C 12 14 26.36 -03 26 25.8 V 703
2021-02-21 00:23:36 C 12 11 25.31 -03 26 48.3 V K87
2021-02-21 00:32:03 C 12 11 24.64 -03 26 48.8 V K87
2021-02-21 00:40:28 C 12 11 23.95 -03 26 48.6 V K87
2021-02-22 01:12:53 C 12 09 26.71 -03 26 30.1 V K83
2021-02-22 01:18:11 C 12 09 26.34 -03 26 30.2 V K83
2021-02-22 01:26:22 C 12 09 25.62 -03 26 30.0 V K83
2021-02-23 10:24:02 C 12 06 46.55 -03 25 29.9 V T08
2021-02-23 10:36:08 C 12 06 45.51 -03 25 29.2 V T08
2021-02-23 10:38:50 C 12 06 45.21 -03 25 29.0 V T08
2021-02-23 10:53:32 C 12 06 44.03 -03 25 29.2 V T08
2021-03-03 11:57:09 C 11 50 42.31 -03 09 22.6 V T08
2021-03-03 12:01:48 C 11 50 41.94 -03 09 22.1 V T08
2021-03-03 12:09:06 C 11 50 41.24 -03 09 20.8 V T08
2021-03-03 12:27:40 C 11 50 39.68 -03 09 19.1 V T08
2021-03-03 16:47:17 C 11 50 18.535 -03 08 34.44 V P07
2021-03-03 17:48:21 C 11 50 13.188 -03 08 27.20 V P07
2021-03-03 18:44:57 C 11 50 08.266 -03 08 19.86 V P07
2021-03-03 19:43:57 C 11 50 03.178 -03 08 12.73 V P07
2021-03-03 19:46:40 C 11 50 02.928 -03 08 12.88 V P07
2021-03-03 20:42:49 C 11 49 58.080 -03 08 05.39 V P07
2021-03-05 07:00:07 C 11 47 09.03 -03 03 45.6 V 703
2021-03-05 07:08:21 C 11 47 08.28 -03 03 44.9 V 703
2021-03-05 07:16:36 C 11 47 07.54 -03 03 42.7 V 703
2021-03-05 07:24:50 C 11 47 06.88 -03 03 42.1 V 703
2021-03-05 15:37:25 C 11 46 26.594 -03 02 18.67 V P07
2021-03-05 17:15:10 C 11 46 18.206 -03 02 04.70 V P07
2021-03-05 18:09:41 C 11 46 13.510 -03 01 57.43 V P07
2021-03-05 19:18:23 C 11 46 07.591 -03 01 47.60 V P07
2021-03-05 20:38:53 C 11 46 00.766 -03 01 36.23 V P07
2021-03-05 22:21:03 C 11 45 53.43 -03 01 39.6 V L38
2021-03-05 23:20:59 C 11 45 48.34 -03 01 30.8 V L38
2021-03-06 00:19:20 C 11 45 43.44 -03 01 22.2 V L38
2021-03-07 08:12:35 C 11 43 07.77 -02 56 34.6 V G96
2021-03-07 08:20:02 C 11 43 07.14 -02 56 33.5 V G96
2021-03-07 08:27:28 C 11 43 06.52 -02 56 32.3 V G96
2021-03-07 08:34:56 C 11 43 05.88 -02 56 31.2 V G96
2021-03-07 10:54:11 C 11 42 54.83 -02 56 05.5 V T08
2021-03-07 11:52:14 C 11 42 49.86 -02 55 57.9 V T08
2021-03-07 11:56:53 C 11 42 49.48 -02 55 57.2 V T08