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
2011-04-03 10:28:09 C 12 59 59.641 -15 42 45.94 L F51
2011-04-03 10:48:09 C 12 59 58.224 -15 42 40.24 L F51
2011-04-03 11:10:58 C 12 59 56.619 -15 42 33.47 L F51
2011-04-03 11:30:58 C 12 59 55.200 -15 42 27.56 L F51
2011-04-04 07:50:57 C 12 58 32.44 -15 36 29.7 r G96
2011-04-04 08:01:45 C 12 58 31.69 -15 36 26.3 r G96
2011-04-04 08:12:42 C 12 58 30.93 -15 36 23.0 r G96
2011-04-04 08:23:33 C 12 58 30.14 -15 36 19.8 r G96
2011-04-04 09:33:56 C 12 58 25.32 -15 35 58.3 r G96
2011-04-04 09:37:13 C 12 58 24.96 -15 35 57.1 r G96
2011-04-04 09:40:28 C 12 58 24.78 -15 35 56.5 r G96
2011-04-04 09:43:45 C 12 58 24.52 -15 35 55.6 r G96
2011-04-04 09:47:02 C 12 58 24.27 -15 35 54.6 r G96
2011-04-05 02:21:51 C 12 57 17.85 -15 30 47.2 o 807
2011-04-05 02:33:42 C 12 57 17.06 -15 30 43.8 o 807
2011-04-05 02:45:28 C 12 57 16.25 -15 30 40.7 o 807
2011-04-05 07:13:54 C 12 56 57.60 -15 29 19.1 o 807
2011-04-05 07:19:53 C 12 56 57.23 -15 29 17.0 o 807
2011-04-05 07:25:51 C 12 56 56.80 -15 29 15.1 o 807
2011-04-05 07:31:42 C 12 56 56.44 -15 29 13.2 o 807
2011-04-05 08:25:46 C 12 56 52.95 -15 29 06.7 r G96
2011-04-05 08:26:52 C 12 56 52.93 -15 29 06.1 r G96
2011-04-05 08:27:57 C 12 56 52.84 -15 29 05.6 r G96
2011-04-05 08:29:02 C 12 56 52.75 -15 29 05.2 r G96
2011-04-06 08:19:25 C 12 55 17.39 -15 21 48.0 o 291
2011-04-06 08:24:47 C 12 55 17.04 -15 21 46.4 o 291
2011-04-06 08:30:12 C 12 55 16.69 -15 21 44.6 o 291
2011-04-08 03:37:17 C 12 52 27.34 -15 08 09.3 o 807
2011-04-08 03:49:06 C 12 52 26.55 -15 08 05.6 o 807
2011-04-08 04:00:52 C 12 52 25.76 -15 08 01.8 o 807
2011-04-13 06:43:31 C 12 44 48.53 -14 28 41.1 o 291
2011-04-13 06:51:11 C 12 44 48.06 -14 28 38.4 o 291
2011-04-13 07:06:53 C 12 44 47.10 -14 28 33.3 o 291
2011-04-29 03:56:55 C 12 26 43.99 -12 31 09.6 o 291
2011-04-29 04:04:34 C 12 26 43.68 -12 31 07.5 o 291
2011-04-29 04:12:19 C 12 26 43.42 -12 31 05.4 o 291
2011-05-09 04:36:48 C 12 20 24.52 -11 33 48.9 o 807
2011-05-09 04:41:13 C 12 20 24.41 -11 33 47.7 o 807
2011-05-09 05:03:09 C 12 20 24.00 -11 33 42.8 o 807
2014-06-23 23:14:36 C 15 20 18.60 -28 33 53.3 t 950
2014-06-23 23:17:26 C 15 20 18.51 -28 33 52.8 t 950
2015-09-16 11:05:34 C 06 15 16.78 +32 22 10.7 u 926
2015-09-16 11:14:46 C 06 15 19.22 +32 22 12.6 u 926
2015-09-16 11:23:55 C 06 15 21.75 +32 22 14.9 u 926
2015-10-25 11:54:54 C 09 56 09.84 +22 39 20.5 o 926
2015-10-25 11:59:24 C 09 56 10.60 +22 39 16.0 o 926
2015-10-25 12:03:56 C 09 56 11.38 +22 39 10.8 o 926
2015-10-25 12:08:29 C 09 56 12.22 +22 39 06.0 o 926
2015-10-25 12:13:00 C 09 56 13.01 +22 39 01.7 o 926
2015-10-25 12:17:29 C 09 56 13.82 +22 38 56.2 o 926