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
2020-10-20 02:28:56 C 08 27 52.67 +42 08 10.2 V A17
2020-10-22 11:31:49 C 08 47 45.30 +41 01 39.6 V G96
2020-10-22 11:39:18 C 08 47 47.74 +41 01 30.5 V G96
2020-10-22 11:46:46 C 08 47 50.19 +41 01 21.5 V G96
2020-10-22 11:54:14 C 08 47 52.64 +41 01 12.4 V G96
2020-10-23 10:00:12 C 08 55 11.72 +40 32 40.8 V 703
2020-10-23 10:21:47 C 08 55 18.98 +40 32 12.3 V 703
2020-10-28 10:39:27 C 09 31 20.42 +37 39 05.4 V 703
2020-10-28 11:00:51 C 09 31 26.18 +37 38 33.9 V 703
2020-11-07 02:40:25 C 10 25 12.24 +31 26 58.3 V A17
2020-11-07 02:57:21 C 10 25 15.52 +31 26 30.9 V A17
2020-11-07 03:14:17 C 10 25 18.73 +31 26 04.4 V A17
2020-11-12 10:48:59 C 10 48 12.52 +28 02 35.6 V 703
2020-11-12 11:04:40 C 10 48 15.12 +28 02 12.0 V 703
2020-11-12 11:12:30 C 10 48 16.38 +28 01 59.2 V 703
2020-12-05 12:27:30 C 11 55 54.54 +15 15 08.9 V G96
2020-12-05 12:33:40 C 11 55 55.10 +15 15 01.5 V G96
2020-12-05 12:39:51 C 11 55 55.60 +15 14 54.2 V G96
2020-12-05 12:46:03 C 11 55 56.15 +15 14 46.8 V G96
2021-01-12 11:31:51 C 12 45 04.10 +01 30 08.8 V G96
2021-01-12 11:39:18 C 12 45 04.18 +01 30 03.9 V G96
2021-01-12 11:46:45 C 12 45 04.28 +01 29 59.1 V G96
2021-01-12 11:54:11 C 12 45 04.37 +01 29 55.0 V G96
2021-01-24 14:18:32 C 12 44 54.962 -01 04 31.97 U F52
2021-01-24 14:38:08 C 12 44 54.562 -01 04 40.59 U F52
2021-01-24 14:57:46 C 12 44 54.135 -01 04 49.19 U F52
2021-01-24 15:17:16 C 12 44 53.733 -01 04 57.83 U F52
2021-02-06 09:53:59 C 12 34 40.59 -02 48 07.4 V 703
2021-02-06 10:16:51 C 12 34 39.45 -02 48 10.8 V 703
2021-02-07 09:22:57 C 12 33 28.33 -02 53 18.2 V 703
2021-02-07 09:30:43 C 12 33 27.84 -02 53 20.9 V 703
2021-02-07 09:38:29 C 12 33 27.48 -02 53 23.0 V 703
2021-02-07 09:46:14 C 12 33 27.05 -02 53 24.4 V 703
2021-02-07 13:21:05 C 12 33 15.478 -02 54 06.62 U F52
2021-02-07 13:39:42 C 12 33 14.398 -02 54 10.55 U F52
2021-02-07 13:58:17 C 12 33 13.315 -02 54 14.52 U F52
2021-02-07 14:16:52 C 12 33 12.239 -02 54 18.44 U F52
2021-02-08 10:07:05 C 12 32 07.94 -02 58 24.3 V G96
2021-02-08 10:14:31 C 12 32 07.50 -02 58 25.8 V G96
2021-02-08 10:21:57 C 12 32 07.05 -02 58 27.3 V G96
2021-02-08 10:29:22 C 12 32 06.61 -02 58 28.7 V G96
2021-02-11 10:05:15 C 12 27 53.60 -03 10 44.4 V 703
2021-02-11 10:20:25 C 12 27 52.68 -03 10 46.8 V 703
2021-02-11 10:28:01 C 12 27 52.12 -03 10 48.1 V 703
2021-02-13 12:30:54 C 12 24 38.277 -03 17 12.92 U F52
2021-02-13 12:34:34 C 12 24 38.013 -03 17 13.41 U F52
2021-02-13 12:49:23 C 12 24 36.954 -03 17 15.01 U F52
2021-02-13 12:53:03 C 12 24 36.691 -03 17 15.37 U F52
2021-02-13 13:07:57 C 12 24 35.621 -03 17 17.08 U F52
2021-02-13 13:11:37 C 12 24 35.358 -03 17 17.41 U F52