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
2021-03-07 11:57:33 C 11 42 49.45 -02 55 57.3 V T08
2021-03-07 12:09:30 C 11 42 48.39 -02 55 55.4 V T08
2021-03-07 12:51:02 C 11 42 44.89 -02 55 48.4 V T08
2021-03-11 07:20:17 C 11 35 38.19 -02 41 05.4 V 703
2021-03-11 07:27:52 C 11 35 37.53 -02 41 03.6 V 703
2021-03-11 07:35:28 C 11 35 36.92 -02 41 01.4 V 703
2021-03-11 07:43:03 C 11 35 36.31 -02 40 59.6 V 703
2021-03-12 14:46:27 C 11 33 15.91 -02 35 37.0 q D29
2021-03-12 14:47:43 C 11 33 15.81 -02 35 36.5 q D29
2021-03-12 15:06:49 C 11 33 14.32 -02 35 33.4 q D29
2021-03-12 15:08:05 C 11 33 14.21 -02 35 33.0 q D29
2021-03-12 15:27:11 C 11 33 12.73 -02 35 29.4 q D29
2021-03-12 15:28:28 C 11 33 12.62 -02 35 29.8 q D29
2021-03-13 16:41:27 C 11 31 20.78 -02 31 02.5 q D29
2021-03-13 16:42:43 C 11 31 20.64 -02 31 02.0 q D29
2021-03-13 17:01:49 C 11 31 19.18 -02 30 58.7 q D29
2021-03-13 17:03:05 C 11 31 19.09 -02 30 58.2 q D29
2021-03-13 17:22:11 C 11 31 17.62 -02 30 54.8 q D29
2021-03-13 17:23:27 C 11 31 17.53 -02 30 55.7 q D29
2021-03-19 07:14:27 C 11 22 11.32 -02 06 55.9 V 703
2021-03-19 07:21:59 C 11 22 10.77 -02 06 55.2 V 703
2021-03-19 07:32:59 C 11 22 10.04 -02 06 53.0 V 703
2021-03-19 07:40:30 C 11 22 09.60 -02 06 52.3 V 703
2021-03-22 05:32:48 C 11 17 59.28 -01 54 41.5 V G96
2021-03-22 05:40:57 C 11 17 58.78 -01 54 40.1 V G96
2021-03-22 05:49:05 C 11 17 58.29 -01 54 38.7 V G96
2021-03-22 05:57:19 C 11 17 57.79 -01 54 37.3 V G96
2021-04-03 04:30:45 C 11 05 24.51 -01 13 16.8 V G96
2021-04-03 04:38:49 C 11 05 24.24 -01 13 16.1 V G96
2021-04-03 04:46:53 C 11 05 23.96 -01 13 14.1 V G96
2021-04-03 04:54:57 C 11 05 23.69 -01 13 13.8 V G96
2021-04-06 08:41:18 C 11 03 18.006 -01 05 26.82 U F51
2021-04-06 08:59:16 C 11 03 17.516 -01 05 25.26 U F51
2021-04-06 09:17:16 C 11 03 17.024 -01 05 23.51 U F51
2021-04-06 09:35:15 C 11 03 16.537 -01 05 21.88 U F51
2021-04-08 05:54:27 C 11 02 17.604 -01 01 33.61 U F52
2021-04-08 06:16:36 C 11 02 17.107 -01 01 32.03 U F52
2021-04-08 06:38:54 C 11 02 16.584 -01 01 30.22 U F52
2021-04-08 07:01:19 C 11 02 16.051 -01 01 28.74 U F52
2021-04-09 13:56:59 C 11 01 40.32 -00 59 10.7 q D29
2021-04-09 14:17:20 C 11 01 39.88 -00 59 09.7 q D29
2021-04-09 14:37:42 C 11 01 39.49 -00 59 08.4 q D29
2021-04-10 07:46:29 C 11 01 22.060 -00 57 56.13 U F51
2021-04-10 08:03:02 C 11 01 21.740 -00 57 55.09 U F51
2021-04-10 08:19:34 C 11 01 21.429 -00 57 54.08 U F51
2021-04-14 09:07:12 C 11 00 08.484 -00 52 55.04 U F51
2021-04-14 09:26:43 C 11 00 08.259 -00 52 54.29 U F51
2021-04-14 09:46:19 C 11 00 08.042 -00 52 53.66 U F51
2021-04-14 10:05:50 C 11 00 07.829 -00 52 52.79 U F51
2025-07-25 13:51:13 C 23 44 17.205 -04 26 04.52 X F52