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
2025-11-02 20:48:45 B 21 24 03.058 +34 06 00.32 X J51
2025-11-02 20:52:22 C 21 24 01.771 +34 05 40.92 Z C23
2025-11-02 21:00:42 B 21 24 00.943 +34 06 27.36 X J51
2025-11-02 21:12:38 B 21 23 58.841 +34 06 53.71 X J51
2025-11-02 21:27:19 B 21 23 56.117 +34 07 05.48 q Y84
2025-11-02 21:38:08 B 21 23 54.240 +34 07 28.67 q Y84
2025-11-02 21:42:27 B 21 23 53.515 +34 07 37.85 q Y84
2025-11-05 20:44:52 B 21 12 12.058 +36 57 13.14 X J51
2025-11-05 20:58:00 B 21 12 09.576 +36 57 44.24 X J51
2025-11-05 21:11:08 B 21 12 07.066 +36 58 15.71 X J51
2025-11-07 20:24:50 C 21 03 42.305 +38 55 01.78 Z C23
2025-11-07 21:09:19 C 21 03 33.634 +38 56 50.17 Z C23
2025-11-09 07:25:07 C 20 57 02.357 +40 24 36.68 V T08
2025-11-09 07:29:04 C 20 57 01.522 +40 24 46.30 V T08
2025-11-09 07:37:42 C 20 56 59.714 +40 25 07.39 V T08
2025-11-09 07:53:13 C 20 56 56.460 +40 25 45.01 V T08
2025-11-09 19:19:37 C 20 54 43.908 +40 54 54.25 Z C23
2025-11-09 20:12:35 C 20 54 32.652 +40 57 07.56 Z C23
2025-11-09 22:37:22 C 20 54 02.638 +41 03 08.14 Z C23
2025-11-10 20:29:43 B 20 49 35.290 +42 00 33.19 V R61
2025-11-10 20:35:30 B 20 49 34.051 +42 00 47.66 V R61
2025-11-10 20:41:40 B 20 49 32.616 +42 01 02.96 V R61
2025-11-11 05:53:11 C 20 47 37.296 +42 25 37.78 V T08
2025-11-11 05:58:27 C 20 47 36.067 +42 25 50.99 V T08
2025-11-11 06:08:26 C 20 47 33.746 +42 26 16.40 V T08
2025-11-11 06:41:36 C 20 47 26.069 +42 27 39.60 V T08
2025-11-11 06:45:10 C 20 47 25.325 +42 27 47.77 V T05
2025-11-11 06:49:45 C 20 47 24.259 +42 27 59.15 V T05
2025-11-11 06:57:39 C 20 47 22.462 +42 28 18.91 V T05
2025-11-11 07:28:07 C 20 47 15.506 +42 29 34.66 V T05
2025-11-14 21:13:00 B 20 27 26.436 +46 17 56.69 q Y84
2025-11-14 21:17:21 B 20 27 25.282 +46 18 07.52 q Y84
2025-11-14 21:21:39 B 20 27 24.187 +46 18 18.61 q Y84
2025-11-16 07:04:46 C 20 18 32.268 +47 49 49.55 V T08
2025-11-16 07:49:00 C 20 18 19.678 +47 51 40.64 V T08
2025-11-16 07:56:15 C 20 18 17.647 +47 51 58.57 V T08
2025-11-17 05:11:42 C 20 12 23.688 +48 49 48.36 V T08
2025-11-17 05:20:57 C 20 12 20.818 +48 50 11.98 V T08
2025-11-17 05:49:20 C 20 12 12.038 +48 51 24.26 V T08
2025-11-17 19:52:36 C 20 08 06.888 +49 28 35.26 Z C23
2025-11-17 20:20:04 C 20 07 58.694 +49 29 45.28 Z C23
2025-11-17 21:26:56 B 20 07 38.210 +49 32 41.53 q Y84
2025-11-17 21:33:16 B 20 07 36.274 +49 32 58.27 q Y84
2025-11-17 21:37:42 B 20 07 34.934 +49 33 09.29 q Y84
2025-11-19 17:54:59 B 19 53 40.40 +51 31 20.7 X L99
2025-11-19 18:00:04 B 19 53 38.62 +51 31 33.0 X L99
2025-11-19 18:05:09 B 19 53 36.91 +51 31 45.4 X L99
2025-11-21 19:33:46 C 19 36 07.987 +53 39 50.18 Z C23
2025-11-21 19:53:48 C 19 35 59.62 +53 40 52.5 X Z03
2025-11-21 20:20:14 C 19 35 49.41 +53 41 55.3 X Z03