2016 GN221

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5339922990 ± 2.33e-06
Semi-major axis (a)2.6073869002 AU ± 1.39e-05
Inclination (i)9.29496905° ± 2.69e-05
Long. of Asc. Node (Ω)234.72026218° ± 8.92e-06
Arg. of Perihelion (ω)29.44891638° ± 1.96e-05
Mean Anomaly (M)85.85366076° ± 6.48e-03
Mean Motion (n)0.2341014250°/day ± 1.87e-06
Perihelion dist (q)1.21506238 AU ± 8.86e-06
Aphelion dist (Q)3.99971143 AU ± 2.21e-05
Orbital Period4.21025324 yr ± 3.36e-05
Physical Parameters
H (abs. magnitude)20.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.258″
Uncertainty1
Orbit TypeAmor
MOID0.213537 AU
Observations Used282
Oppositions1
Arc Total2016-2016
First Observation Used2016-04-11
Last Observation Used2016-09-25
Observations (286)
Date Type RA Dec Mag Band Observatory
2016-04-27 08:16:16 C 14 47 45.16 -25 56 01.2 u 926
2016-04-27 08:33:44 C 14 47 45.80 -25 55 49.6 o 691
2016-04-27 08:39:38 C 14 47 45.96 -25 55 45.5 u 926
2016-04-27 08:55:54 C 14 47 46.54 -25 55 35.2 u 926
2016-04-27 09:55:30 C 14 47 50.010 -25 54 52.48 L F51
2016-04-27 10:27:08 C 14 47 51.121 -25 54 31.67 L F51
2016-04-27 10:42:58 C 14 47 51.677 -25 54 21.26 L F51
2016-05-01 06:34:56 C 14 51 53.80 -24 46 00.6 u 807
2016-05-01 06:37:28 C 14 51 53.90 -24 45 58.6 u 807
2016-05-01 06:40:01 C 14 51 53.99 -24 45 56.5 u 807
2016-05-01 06:42:33 C 14 51 54.08 -24 45 54.3 u 807
2016-05-01 06:45:04 C 14 51 54.18 -24 45 52.2 u 807
2016-05-02 08:10:00 C 14 53 04.85 -24 25 00.6 o 691
2016-05-02 08:24:27 C 14 53 05.38 -24 24 48.1 o 691
2016-05-02 08:38:53 C 14 53 05.94 -24 24 35.8 o 691
2016-05-03 09:29:51 C 14 54 15.55 -24 02 41.7 o 691
2016-05-03 09:40:33 C 14 54 15.97 -24 02 31.5 o 691
2016-05-03 09:51:15 C 14 54 16.41 -24 02 21.3 o 691
2016-05-04 08:10:50 C 14 55 21.20 -23 41 47.6 o 691
2016-05-04 08:19:07 C 14 55 21.53 -23 41 39.8 o 691
2016-05-04 08:27:25 C 14 55 21.88 -23 41 32.0 o 691
2016-05-07 10:42:27 C 14 59 05.191 -22 26 45.59 L F51
2016-05-07 11:14:25 C 14 59 06.576 -22 26 11.08 L F51
2016-05-07 11:30:22 C 14 59 07.272 -22 25 53.79 L F51
2016-05-09 23:17:08 C 15 02 20.00 -21 18 51.7 q 113
2016-05-09 23:29:10 C 15 02 20.60 -21 18 37.0 q 113
2016-05-09 23:41:12 C 15 02 21.16 -21 18 25.2 q 113
2016-05-10 06:26:07 C 15 02 44.19 -21 10 21.2 R G45
2016-05-10 06:33:08 C 15 02 44.52 -21 10 12.8 R G45
2016-05-10 06:39:16 C 15 02 44.81 -21 10 05.6 R G45
2016-05-10 06:46:32 C 15 02 45.17 -21 09 56.8 R G45
2016-05-10 06:54:12 C 15 02 45.53 -21 09 47.8 R G45
2016-05-10 06:56:57 C 15 02 45.67 -21 09 44.6 R G45
2016-05-10 07:02:44 C 15 02 45.95 -21 09 37.6 R G45
2016-05-10 07:09:40 C 15 02 46.27 -21 09 29.2 R G45
2016-05-10 07:16:04 C 15 02 46.58 -21 09 22.0 R G45
2016-05-10 07:23:07 C 15 02 46.91 -21 09 13.5 R G45
2016-05-10 07:29:34 C 15 02 47.22 -21 09 05.7 R G45
2016-05-10 07:46:28 C 15 02 48.17 -21 08 45.6 q 703
2016-05-10 07:53:31 C 15 02 48.54 -21 08 36.8 o 691
2016-05-10 07:56:44 C 15 02 48.71 -21 08 32.6 q 703
2016-05-10 08:05:53 C 15 02 49.13 -21 08 21.9 o 691
2016-05-10 08:06:59 C 15 02 49.14 -21 08 20.6 q 703
2016-05-10 08:17:14 C 15 02 49.65 -21 08 07.7 q 703
2016-05-10 08:18:16 C 15 02 49.73 -21 08 07.1 o 691
2016-05-11 07:32:16 C 15 04 08.98 -20 40 00.6 o 691
2016-05-11 07:44:19 C 15 04 09.57 -20 39 45.8 o 691
2016-05-11 07:56:18 C 15 04 10.17 -20 39 31.0 o 691
2016-05-13 06:57:21 C 15 06 56.61 -19 39 50.9 R G45
2016-05-13 07:03:45 C 15 06 56.93 -19 39 42.0 R G45