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
2016-04-11 10:49:09 C 14 32 35.829 -28 25 48.78 L F51
2016-04-11 11:04:57 C 14 32 36.348 -28 25 46.44 L F51
2016-04-11 11:20:45 C 14 32 36.863 -28 25 43.89 L F51
2016-04-11 11:36:33 C 14 32 37.387 -28 25 41.50 L F51
2016-04-12 10:57:35 C 14 33 31.574 -28 21 42.19 t 568
2016-04-12 10:59:05 C 14 33 31.624 -28 21 41.91 t 568
2016-04-12 11:00:34 C 14 33 31.672 -28 21 41.65 t 568
2016-04-12 14:45:41 C 14 33 39.88 -28 20 40.4 t 474
2016-04-12 14:50:49 C 14 33 40.09 -28 20 39.4 t 474
2016-04-12 14:56:11 C 14 33 40.26 -28 20 38.2 t 474
2016-04-12 15:01:15 C 14 33 40.44 -28 20 37.2 t 474
2016-04-14 08:14:42 C 14 35 16.18 -28 12 18.5 o 926
2016-04-14 08:35:30 C 14 35 16.84 -28 12 13.7 o 926
2016-04-14 08:55:27 C 14 35 17.51 -28 12 08.7 o 926
2016-04-14 12:25:30 C 14 35 25.362 -28 11 16.35 t 568
2016-04-14 12:26:49 C 14 35 25.406 -28 11 16.06 t 568
2016-04-14 12:28:09 C 14 35 25.450 -28 11 15.75 t 568
2016-04-15 12:10:10 C 14 36 21.17 -28 04 55.2 t 474
2016-04-15 12:13:13 C 14 36 21.26 -28 04 54.3 t 474
2016-04-15 12:16:15 C 14 36 21.37 -28 04 53.6 t 474
2016-04-15 12:19:17 C 14 36 21.47 -28 04 52.7 t 474
2016-04-17 06:44:50 C 14 37 59.32 -27 52 31.5 u 807
2016-04-17 06:48:01 C 14 37 59.44 -27 52 30.7 u 807
2016-04-17 06:51:25 C 14 37 59.57 -27 52 29.3 u 807
2016-04-17 06:54:34 C 14 37 59.67 -27 52 28.1 u 807
2016-04-17 06:57:42 C 14 37 59.75 -27 52 27.1 u 807
2016-04-18 06:59:29 C 14 38 56.86 -27 44 44.1 o 691
2016-04-18 07:06:04 C 14 38 57.14 -27 44 41.7 o 691
2016-04-18 07:12:38 C 14 38 57.31 -27 44 39.4 o 691
2016-04-18 07:29:09 C 14 38 57.90 -27 44 33.7 o 926
2016-04-18 07:48:27 C 14 38 58.52 -27 44 26.5 o 926
2016-04-18 08:08:13 C 14 38 59.16 -27 44 20.4 o 926
2016-04-19 07:55:27 C 14 39 55.18 -27 35 38.1 o 691
2016-04-19 08:00:22 C 14 39 55.32 -27 35 36.0 o 691
2016-04-19 08:05:16 C 14 39 55.46 -27 35 33.4 o 691
2016-04-20 04:35:46 C 14 40 44.21 -27 27 05.2 u 807
2016-04-20 04:41:02 C 14 40 44.39 -27 27 03.1 u 807
2016-04-20 04:47:03 C 14 40 44.59 -27 27 00.6 u 807
2016-04-20 08:26:52 C 14 40 53.01 -27 25 50.2 o 291
2016-04-20 08:35:55 C 14 40 53.28 -27 25 46.8 o 291
2016-04-20 08:44:57 C 14 40 53.58 -27 25 42.7 o 291
2016-04-21 06:24:46 C 14 41 45.95 -27 16 22.7 o 691
2016-04-21 06:30:40 C 14 41 46.24 -27 16 20.0 o 691
2016-04-27 05:39:42 C 14 47 38.46 -25 57 22.1 u 807
2016-04-27 05:41:24 C 14 47 38.52 -25 57 20.9 u 807
2016-04-27 05:43:06 C 14 47 38.59 -25 57 19.6 u 807
2016-04-27 05:44:48 C 14 47 38.65 -25 57 18.6 u 807
2016-04-27 05:46:28 C 14 47 38.71 -25 57 17.5 u 807
2016-04-27 07:45:57 C 14 47 44.11 -25 56 21.3 o 691
2016-04-27 08:09:38 C 14 47 44.96 -25 56 05.7 o 691