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
2016-05-13 07:11:08 C 15 06 57.30 -19 39 32.3 R G45
2016-05-13 07:17:32 C 15 06 57.64 -19 39 24.0 R G45
2016-05-13 07:23:53 C 15 06 57.99 -19 39 15.6 R G45
2016-05-15 00:09:44 C 15 09 29.21 -18 44 38.7 q 204
2016-05-15 00:15:17 C 15 09 29.57 -18 44 30.6 q 204
2016-05-15 00:20:49 C 15 09 29.91 -18 44 23.1 q 204
2016-05-16 05:46:04 C 15 11 24.78 -18 03 14.3 u 926
2016-05-16 06:04:31 C 15 11 25.81 -18 02 48.5 u 926
2016-05-16 06:25:46 C 15 11 27.07 -18 02 19.2 u 926
2016-05-17 06:18:42 C 15 13 02.04 -17 28 00.0 R G45
2016-05-17 06:32:34 C 15 13 02.90 -17 27 39.8 R G45
2016-05-17 06:40:34 C 15 13 03.36 -17 27 28.0 R G45
2016-05-17 06:47:39 C 15 13 03.78 -17 27 17.7 R G45
2016-05-19 05:33:09 C 15 16 17.64 -16 17 46.1 u H21
2016-05-19 05:38:53 C 15 16 17.99 -16 17 37.2 u H21
2016-05-19 05:45:01 C 15 16 18.37 -16 17 27.7 u H21
2016-05-19 05:51:09 C 15 16 18.77 -16 17 18.4 u H21
2016-05-19 05:57:18 C 15 16 19.15 -16 17 09.1 u H21
2016-05-19 06:00:59 C 15 16 19.37 -16 17 03.5 u H21
2016-05-23 05:21:26 C 15 23 26.24 -13 46 39.0 u H21
2016-05-23 05:27:08 C 15 23 26.63 -13 46 29.8 u H21
2016-05-23 05:33:20 C 15 23 27.05 -13 46 19.7 u H21
2016-05-23 05:39:33 C 15 23 27.49 -13 46 09.4 u H21
2016-05-23 05:45:39 C 15 23 27.91 -13 45 59.7 u H21
2016-05-25 05:53:02 C 15 27 20.15 -12 26 25.0 u 926
2016-05-25 06:05:55 C 15 27 21.07 -12 26 03.3 u 926
2016-05-25 06:19:03 C 15 27 22.05 -12 25 41.5 u 926
2016-05-26 05:50:17 C 15 29 19.37 -11 46 08.4 u 926
2016-05-26 06:03:13 C 15 29 20.33 -11 45 46.4 u 926
2016-05-26 06:16:22 C 15 29 21.30 -11 45 24.4 u 926
2016-05-26 06:40:04 C 15 29 22.87 -11 44 44.9 t 705
2016-05-26 06:41:31 C 15 29 22.97 -11 44 42.5 t 705
2016-05-26 06:42:59 C 15 29 23.08 -11 44 40.0 t 705
2016-05-28 08:10:15 C 15 33 37.03 -10 20 20.8 q 703
2016-05-28 08:18:00 C 15 33 37.63 -10 20 07.9 q 703
2016-05-28 08:25:45 C 15 33 38.21 -10 19 54.4 q 703
2016-05-28 08:33:30 C 15 33 38.79 -10 19 39.3 q 703
2016-05-29 06:52:32 C 15 35 38.08 -09 41 17.5 R G45
2016-05-29 06:59:26 C 15 35 38.64 -09 41 05.8 R G45
2016-05-29 07:20:00 C 15 35 40.29 -09 40 30.0 R G45
2016-05-29 07:26:56 C 15 35 40.85 -09 40 18.0 R G45
2016-05-29 07:33:41 C 15 35 41.40 -09 40 06.3 R G45
2016-06-01 09:28:09 C 15 42 30.36 -07 32 04.7 L T05
2016-06-01 09:47:04 C 15 42 31.91 -07 31 32.6 L T05
2016-06-01 10:05:53 C 15 42 33.50 -07 30 59.0 L T05
2016-06-01 10:25:39 C 15 42 35.10 -07 30 26.0 L T05
2016-06-02 06:00:20 C 15 44 28.11 -06 56 40.9 q G96
2016-06-02 06:06:49 C 15 44 28.70 -06 56 31.1 q G96
2016-06-02 06:13:14 C 15 44 29.21 -06 56 18.7 q G96
2016-06-02 06:19:52 C 15 44 29.79 -06 56 07.5 q G96