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
2025-10-17 18:42:40 C 22 17 43.02 +21 20 30.0 V M31
2025-10-17 18:44:45 C 22 17 42.73 +21 20 33.6 V M31
2025-10-17 18:57:52 B 22 17 41.626 +21 21 06.09 W 130
2025-10-17 19:00:33 B 22 17 41.234 +21 21 10.41 W 130
2025-10-17 19:03:55 B 22 17 40.754 +21 21 16.30 W 130
2025-10-17 19:07:16 B 22 17 40.298 +21 21 21.77 W 130
2025-10-17 19:53:05 B 22 17 34.72 +21 22 45.9 V R53
2025-10-17 19:55:09 B 22 17 34.41 +21 22 49.3 V R53
2025-10-17 19:57:12 B 22 17 34.13 +21 22 52.8 V R53
2025-10-17 22:55:05 B 22 17 09.319 +21 27 35.50 W R92
2025-10-17 23:06:12 B 22 17 07.841 +21 27 53.86 W R92
2025-10-17 23:17:18 B 22 17 06.329 +21 28 12.25 W R92
2025-10-18 04:34:06 C 22 16 26.980 +21 37 26.80 V 703
2025-10-18 04:37:27 C 22 16 26.550 +21 37 32.50 V 703
2025-10-18 04:40:48 C 22 16 26.050 +21 37 38.10 V 703
2025-10-18 04:44:09 C 22 16 25.590 +21 37 43.70 V 703
2025-10-18 18:24:02 B 22 14 42.038 +22 00 39.71 W R92
2025-10-18 18:35:10 B 22 14 40.488 +22 00 59.08 W R92
2025-10-18 18:46:40 B 22 14 38.916 +22 01 18.59 W R92
2025-10-19 03:19:36 C 22 13 32.693 +22 16 16.14 V 703
2025-10-19 03:23:06 C 22 13 32.192 +22 16 22.04 V 703
2025-10-19 03:26:35 C 22 13 31.703 +22 16 28.13 V 703
2025-10-19 03:30:04 C 22 13 31.213 +22 16 34.25 V 703
2025-10-19 08:39:23 C 22 12 49.512 +22 25 36.41 V T05
2025-10-19 08:45:22 C 22 12 48.667 +22 25 46.52 V T05
2025-10-19 08:55:55 C 22 12 47.186 +22 26 04.34 V T05
2025-10-19 09:11:12 C 22 12 45.007 +22 26 30.19 V T05
2025-10-19 21:16:43 B 22 11 13.248 +22 47 29.58 X J51
2025-10-19 21:26:48 B 22 11 11.813 +22 47 46.75 X J51
2025-10-19 21:36:52 B 22 11 10.322 +22 48 04.36 X J51
2025-10-20 04:04:42 C 22 10 19.816 +22 59 21.59 V 703
2025-10-20 04:08:03 C 22 10 19.333 +22 59 26.95 V 703
2025-10-20 04:11:24 C 22 10 18.865 +22 59 33.14 V 703
2025-10-20 04:14:45 C 22 10 18.397 +22 59 38.90 V 703
2025-10-20 20:10:07 B 22 08 15.326 +23 27 54.14 X J51
2025-10-20 20:20:49 B 22 08 13.750 +23 28 13.15 X J51
2025-10-20 20:31:33 B 22 08 12.218 +23 28 32.38 X J51
2025-10-20 20:41:01 B 22 08 10.17 +23 28 42.3 V R53
2025-10-20 20:42:48 B 22 08 09.94 +23 28 45.6 V R53
2025-10-20 20:44:20 B 22 08 09.70 +23 28 48.8 V R53
2025-10-20 22:24:37 C 22 07 55.819 +23 31 54.12 V R17
2025-10-20 22:45:49 C 22 07 52.752 +23 32 31.45 V R17
2025-10-20 23:11:24 C 22 07 49.075 +23 33 16.27 V R17
2025-10-20 23:31:05 C 22 07 46.248 +23 33 50.65 V R17
2025-10-22 07:33:51 C 22 03 33.881 +24 32 06.00 V T08
2025-10-22 07:37:55 C 22 03 33.274 +24 32 13.34 V T08
2025-10-22 07:51:42 C 22 03 31.253 +24 32 38.54 V T08
2025-10-22 08:06:25 C 22 03 29.083 +24 33 04.90 V T08
2025-10-22 20:25:22 B 22 01 53.074 +24 55 44.36 X J51
2025-10-22 20:35:55 B 22 01 51.576 +24 56 04.06 X J51