IAA RAS IAA Minor Planet Database

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
2020-09-15 02:26:37 C 03 26 04.21 +30 42 47.8 – V K87
2020-09-15 13:13:21 C 03 28 32.61 +31 02 53.8 – V T05
2020-09-15 13:16:39 C 03 28 33.34 +31 02 59.1 – V T05
2020-09-15 13:52:04 C 03 28 41.29 +31 04 05.7 – V T05
2020-09-15 13:57:21 C 03 28 42.46 +31 04 15.6 – V T05
2020-09-17 02:20:48 C 03 37 20.93 +32 11 32.5 – V K87
2020-09-17 02:27:42 C 03 37 22.62 +32 11 45.7 – V K87
2020-09-17 02:34:35 C 03 37 24.20 +32 11 58.5 – V K87
2020-09-17 11:42:51 C 03 39 39.79 +32 29 08.6 – V T08
2020-09-17 11:45:31 C 03 39 40.44 +32 29 13.6 – V T08
2020-09-17 12:37:55 C 03 39 53.03 +32 30 52.7 – V T08
2020-09-17 12:58:38 C 03 39 58.02 +32 31 31.3 – V T08
2020-09-18 02:31:37 C 03 43 20.94 +32 56 31.0 – V K87
2020-09-18 02:39:21 C 03 43 22.87 +32 56 45.6 – V K87
2020-09-18 02:47:04 C 03 43 24.79 +32 56 59.9 – V K87
2020-09-18 11:09:18 C 03 45 32.35 +33 12 41.6 – V G96
2020-09-18 11:19:01 C 03 45 34.75 +33 12 59.4 – V G96
2020-09-18 11:32:50 C 03 45 38.19 +33 13 25.3 – V G96
2020-09-18 11:42:34 C 03 45 40.60 +33 13 43.3 – V G96
2020-09-19 01:45:55 C 03 49 19.59 +33 39 44.7 – V 160
2020-09-19 01:51:25 C 03 49 20.94 +33 39 54.9 – V 160
2020-09-19 01:56:56 C 03 49 22.33 +33 40 05.4 – V 160
2020-09-19 02:01:37 C 03 49 23.57 +33 40 10.8 – V K87
2020-09-19 02:09:11 C 03 49 25.45 +33 40 25.7 – V K87
2020-09-19 02:16:47 C 03 49 27.42 +33 40 39.6 – V K87
2020-09-19 08:51:15 C 03 51 11.83 +33 52 57.7 – V 703
2020-09-19 08:58:50 C 03 51 13.79 +33 53 11.9 – V 703
2020-09-19 09:06:24 C 03 51 15.72 +33 53 25.7 – V 703
2020-09-19 09:13:58 C 03 51 17.66 +33 53 40.2 – V 703
2020-09-20 01:41:26 C 03 55 41.53 +34 24 03.9 – V 160
2020-09-20 01:46:57 C 03 55 42.98 +34 24 14.3 – V 160
2020-09-20 01:52:31 C 03 55 44.47 +34 24 24.2 – V 160
2020-09-20 02:39:02 C 03 55 56.76 +34 25 47.8 – V K87
2020-09-20 02:46:28 C 03 55 58.78 +34 26 01.5 – V K87
2020-09-20 02:53:57 C 03 56 00.70 +34 26 16.2 – V K87
2020-09-21 02:42:11 C 04 02 35.12 +35 10 03.5 – V K87
2020-09-21 02:49:31 C 04 02 37.10 +35 10 17.1 – V K87
2020-09-21 02:56:50 C 04 02 39.15 +35 10 30.4 – V K87
2020-09-22 01:37:11 C 04 09 08.44 +35 51 48.7 – V K87
2020-09-22 01:51:37 C 04 09 12.53 +35 52 15.3 – V K87
2020-09-22 02:06:04 C 04 09 16.62 +35 52 41.4 – V K87
2020-09-25 09:09:46 C 04 33 37.52 +38 11 45.5 – V 703
2020-09-25 09:18:08 C 04 33 40.18 +38 12 00.4 – V 703
2020-09-25 09:34:51 C 04 33 45.49 +38 12 28.9 – V 703
2020-09-28 14:13:07 C 04 59 58.91 +40 14 54.0 – V T05
2020-09-28 14:17:08 C 05 00 00.31 +40 15 00.2 – V T05
2020-09-28 14:28:24 C 05 00 04.26 +40 15 16.7 – V T05
2020-09-28 15:28:31 C 05 00 25.25 +40 16 44.7 – V T05
2020-09-30 12:06:12 C 05 16 55.31 +41 19 24.5 – V T08
2020-09-30 12:14:50 C 05 16 58.50 +41 19 36.0 – V T08