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
2025-09-23 10:44:06 B 23 21 07.14 +08 44 37.1 16.9 V E84
2025-09-23 18:04:46 B 23 20 30.74 +08 50 52.3 q M35
2025-09-23 18:18:00 B 23 20 29.56 +08 51 05.1 q M35
2025-09-23 18:30:29 B 23 20 28.44 +08 51 17.1 q M35
2025-09-23 19:53:43 C 23 20 20.573 +08 52 39.40 q S89
2025-09-23 19:55:14 C 23 20 20.436 +08 52 40.76 q S89
2025-09-23 19:56:46 C 23 20 20.302 +08 52 42.20 q S89
2025-09-23 19:58:16 C 23 20 20.153 +08 52 43.82 q S89
2025-09-23 19:59:47 C 23 20 20.035 +08 52 45.01 q S89
2025-09-23 20:16:02 B 23 20 18.58 +08 52 59.3 X L76
2025-09-23 20:21:26 B 23 20 18.08 +08 53 04.3 X L76
2025-09-23 20:26:49 B 23 20 17.58 +08 53 09.3 X L76
2025-09-23 20:32:13 B 23 20 17.08 +08 53 14.8 X L76
2025-09-23 20:37:36 B 23 20 16.59 +08 53 20.0 X L76
2025-09-23 20:42:59 B 23 20 16.11 +08 53 25.4 X L76
2025-09-24 03:41:32 B 23 19 40.596 +09 00 50.26 q X22
2025-09-24 03:45:54 B 23 19 40.183 +09 00 54.58 q X22
2025-09-24 03:50:13 B 23 19 39.775 +09 00 58.79 q X22
2025-09-24 06:21:39 C 23 19 26.864 +09 02 52.30 V 703
2025-09-24 06:28:16 C 23 19 26.252 +09 02 59.53 V 703
2025-09-24 06:31:32 C 23 19 25.979 +09 03 02.59 V 703
2025-09-24 06:34:48 C 23 19 25.694 +09 03 05.33 V 703
2025-09-25 04:58:54 C 23 17 29.364 +09 25 07.97 V G96
2025-09-25 05:06:22 C 23 17 28.655 +09 25 14.99 V G96
2025-09-25 05:13:49 C 23 17 27.942 +09 25 22.48 V G96
2025-09-25 05:21:17 C 23 17 27.222 +09 25 29.89 V G96
2025-09-25 07:16:17 C 23 17 16.112 +09 27 25.06 V 703
2025-09-25 07:19:33 C 23 17 15.792 +09 27 27.97 V 703
2025-09-25 07:22:49 C 23 17 15.482 +09 27 31.46 V 703
2025-09-25 07:26:05 C 23 17 15.166 +09 27 34.63 V 703
2025-09-25 10:14:10 B 23 17 01.42 +09 31 03.6 17.2 V E84
2025-09-25 10:16:38 B 23 17 01.18 +09 31 04.1 16.8 V E84
2025-09-25 10:18:54 B 23 17 01.02 +09 31 05.1 17.5 V E84
2025-09-27 22:59:14 B 23 11 25.36 +10 33 04.7 X L76
2025-09-27 23:04:38 B 23 11 24.83 +10 33 10.3 X L76
2025-09-27 23:10:01 B 23 11 24.29 +10 33 15.9 X L76
2025-09-27 23:15:24 B 23 11 23.76 +10 33 21.8 X L76
2025-09-27 23:20:21 C 23 11 24.130 +10 33 26.28 Z C23
2025-09-27 23:20:47 B 23 11 23.23 +10 33 27.5 X L76
2025-09-27 23:26:10 B 23 11 22.71 +10 33 32.9 X L76
2025-09-27 23:46:41 B 23 11 21.996 +10 34 06.06 X J51
2025-09-28 00:03:55 B 23 11 20.230 +10 34 24.31 X J51
2025-09-28 00:13:39 B 23 11 19.210 +10 34 35.36 X J51
2025-09-28 00:19:59 C 23 11 18.139 +10 34 29.75 Z C23
2025-09-28 00:21:09 C 23 11 17.993 +10 34 30.76 Z C23
2025-09-28 01:06:53 C 23 11 13.426 +10 35 19.39 Z C23
2025-09-28 02:55:10 C 23 11 04.397 +10 38 01.97 V W68
2025-09-28 02:59:07 C 23 11 03.984 +10 38 06.36 V W68
2025-09-28 03:03:01 C 23 11 03.571 +10 38 10.57 V W68
2025-09-28 03:10:17 C 23 11 02.834 +10 38 18.28 V W68