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
2016-06-03 07:45:35 C 15 46 56.84 -06 12 17.7 t 705
2016-06-03 07:47:03 C 15 46 56.94 -06 12 15.5 t 705
2016-06-03 07:48:30 C 15 46 57.05 -06 12 13.2 t 705
2016-06-04 06:52:56 C 15 49 14.14 -05 32 41.3 R G45
2016-06-04 06:59:49 C 15 49 14.76 -05 32 29.6 R G45
2016-06-04 07:06:44 C 15 49 15.40 -05 32 17.5 R G45
2016-06-04 07:06:50 C 15 49 15.42 -05 32 17.5 R G45
2016-06-04 07:13:42 C 15 49 16.02 -05 32 05.8 R G45
2016-06-04 07:13:48 C 15 49 15.93 -05 32 04.6 R G45
2016-06-04 07:20:40 C 15 49 16.67 -05 31 53.6 R G45
2016-06-04 07:20:47 C 15 49 16.69 -05 31 53.4 R G45
2016-06-04 07:27:39 C 15 49 17.31 -05 31 41.7 R G45
2016-06-04 07:27:45 C 15 49 17.32 -05 31 41.5 R G45
2016-06-05 21:19:00 C 15 53 07.18 -04 27 33.4 q 157
2016-06-05 21:25:05 C 15 53 07.74 -04 27 23.5 q 157
2016-06-05 21:31:10 C 15 53 08.31 -04 27 13.0 q 157
2016-06-05 21:37:15 C 15 53 08.88 -04 27 02.5 q 157
2016-06-06 05:19:51 C 15 53 55.82 -04 14 02.2 q H45
2016-06-06 05:21:53 C 15 53 56.00 -04 13 58.6 q H45
2016-06-06 05:23:30 C 15 53 56.17 -04 13 55.9 q H45
2016-06-06 05:25:03 C 15 53 56.32 -04 13 53.1 q H45
2016-06-06 05:26:52 C 15 53 56.49 -04 13 50.2 q H45
2016-06-06 05:28:26 C 15 53 56.63 -04 13 47.8 q H45
2016-06-06 23:56:51 C 15 55 50.16 -03 43 01.1 q 160
2016-06-06 23:59:51 C 15 55 50.47 -03 42 55.9 q 160
2016-06-07 00:02:51 C 15 55 50.74 -03 42 51.1 q 160
2016-06-07 06:04:30 C 15 56 28.64 -03 32 47.0 q H45
2016-06-07 06:06:09 C 15 56 28.79 -03 32 44.2 q H45
2016-06-07 06:07:50 C 15 56 28.97 -03 32 41.2 q H45
2016-06-07 06:09:38 C 15 56 29.13 -03 32 38.4 q H45
2016-06-07 06:11:16 C 15 56 29.28 -03 32 35.5 q H45
2016-06-07 06:13:00 C 15 56 29.45 -03 32 33.0 q H45
2016-06-09 05:56:33 C 16 01 31.39 -02 14 39.7 q H45
2016-06-09 05:59:28 C 16 01 31.70 -02 14 34.5 q H45
2016-06-09 06:01:12 C 16 01 31.86 -02 14 32.0 q H45
2016-06-09 06:02:53 C 16 01 32.03 -02 14 29.2 q H45
2016-06-09 06:05:11 C 16 01 32.25 -02 14 25.5 q H45
2016-06-09 06:07:06 C 16 01 32.44 -02 14 22.4 q H45
2016-06-09 09:22:46 C 16 01 53.96 -02 09 00.5 L T05
2016-06-09 09:41:43 C 16 01 55.66 -02 08 29.4 L T05
2016-06-09 10:00:36 C 16 01 57.48 -02 07 59.2 L T05
2016-06-09 10:19:24 C 16 01 59.30 -02 07 29.1 L T05
2016-06-10 06:52:33 C 16 04 11.67 -01 34 58.6 q H45
2016-06-10 06:54:53 C 16 04 11.86 -01 34 55.2 q H45
2016-06-10 06:56:30 C 16 04 12.07 -01 34 52.3 q H45
2016-06-10 06:57:59 C 16 04 12.20 -01 34 50.0 q H45
2016-06-10 06:59:34 C 16 04 12.38 -01 34 47.7 q H45
2016-06-10 07:01:20 C 16 04 12.55 -01 34 44.7 q H45
2016-06-11 06:22:05 C 16 06 45.13 -00 58 19.7 q H45
2016-06-11 06:24:19 C 16 06 45.40 -00 58 15.8 q H45