2021 GP16

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3166466605 ± 8.93e-08
Semi-major axis (a)1.0568005228 AU ± 1.78e-08
Inclination (i)15.03742100° ± 4.30e-06
Long. of Asc. Node (Ω)209.50857799° ± 1.56e-06
Arg. of Perihelion (ω)110.57147593° ± 5.05e-06
Mean Anomaly (M)9.36464222° ± 3.24e-05
Mean Motion (n)0.9072411637°/day ± 2.29e-08
Perihelion dist (q)0.72216817 AU ± 9.52e-08
Aphelion dist (Q)1.39143288 AU ± 9.72e-08
Orbital Period1.08639943 yr ± 2.74e-08
Physical Parameters
H (abs. magnitude)21.94
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.167″
Uncertainty0
Orbit TypeApollo
MOID0.037989 AU
Observations Used154
Oppositions1
Arc Total2021-2023
First Observation Used2021-04-15
Last Observation Used2023-12-10
Observations (177)
Date Type RA Dec Mag Band Observatory
2021-04-15 11:51:34 C 16 13 04.75 -24 03 03.2 V T08
2021-04-15 12:00:43 C 16 13 07.42 -24 02 17.3 V T08
2021-04-15 12:03:23 C 16 13 08.20 -24 02 04.3 V T08
2021-04-15 12:18:01 C 16 13 12.53 -24 00 49.6 V T08
2021-04-16 01:46:06 C 16 17 39.66 -22 49 42.9 V L01
2021-04-16 01:47:58 C 16 17 40.26 -22 49 32.5 V L01
2021-04-16 01:49:50 C 16 17 40.86 -22 49 22.0 V L01
2021-04-16 01:53:35 C 16 17 42.06 -22 49 01.2 V L01
2021-04-16 01:59:49 C 16 17 44.06 -22 48 26.7 V L01
2021-04-16 02:58:48 C 16 18 04.19 -22 42 57.7 V I93
2021-04-16 03:05:03 C 16 18 06.20 -22 42 22.4 V I93
2021-04-16 03:11:18 C 16 18 08.20 -22 41 47.6 V I93
2021-04-16 05:29:56 C 16 18 59.68 -22 26 57.1 u 807
2021-04-16 05:34:26 C 16 19 01.13 -22 26 31.8 u 807
2021-04-16 05:38:56 C 16 19 02.59 -22 26 06.5 u 807
2021-04-16 14:58:00 C 16 22 18.16 -21 31 01.3 V 474
2021-04-16 15:00:53 C 16 22 19.14 -21 30 43.8 V 474
2021-04-16 15:03:47 C 16 22 20.11 -21 30 26.3 V 474
2021-04-17 00:14:19 C 16 25 44.42 -20 35 19.5 V 595
2021-04-17 01:04:09 C 16 26 03.16 -20 30 01.6 V J95
2021-04-17 01:06:39 C 16 26 02.98 -20 29 44.0 V 595
2021-04-17 01:09:33 C 16 26 09.66 -20 27 26.3 X Y00
2021-04-17 01:11:26 C 16 26 10.34 -20 27 14.7 X Y00
2021-04-17 01:14:03 C 16 26 11.32 -20 26 58.5 X Y00
2021-04-17 01:15:38 C 16 26 11.90 -20 26 48.6 X Y00
2021-04-17 01:18:38 C 16 26 12.99 -20 26 29.4 X Y00
2021-04-17 01:20:38 C 16 26 09.09 -20 28 16.1 V J95
2021-04-17 01:34:38 C 16 26 14.10 -20 26 45.6 V J95
2021-04-17 01:47:35 C 16 26 18.73 -20 25 21.6 V J95
2021-04-17 01:50:49 C 16 26 19.14 -20 24 57.7 V 204
2021-04-17 02:00:12 C 16 26 23.24 -20 24 00.0 V J95
2021-04-17 02:03:16 C 16 26 23.53 -20 23 36.6 V 204
2021-04-17 02:04:05 C 16 26 29.73 -20 21 13.0 V X31
2021-04-17 02:09:24 C 16 26 31.71 -20 20 38.8 V X31
2021-04-17 02:14:46 C 16 26 33.72 -20 20 04.8 V X31
2021-04-17 02:15:44 C 16 26 27.97 -20 22 15.4 V 204
2021-04-17 10:28:18 C 16 29 42.69 -19 26 36.0 V T05
2021-04-17 10:30:53 C 16 29 38.39 -19 26 41.5 V I52
2021-04-17 10:31:30 C 16 29 38.62 -19 26 37.1 V I52
2021-04-17 10:32:06 C 16 29 38.85 -19 26 32.9 V I52
2021-04-17 10:39:33 C 16 29 46.85 -19 25 19.0 V T05
2021-04-17 11:20:13 C 16 30 01.76 -19 20 41.4 V T05
2021-04-17 11:25:33 C 16 30 03.72 -19 20 04.8 V T05
2021-04-18 12:15:37 C 16 40 23.22 -16 12 35.8 V T05
2021-04-18 12:18:15 C 16 40 24.29 -16 12 14.7 V T05
2021-04-18 12:22:12 C 16 40 25.90 -16 11 42.0 V T05
2021-04-19 09:23:01 C 16 50 08.65 -13 06 57.1 V I52
2021-04-19 09:23:12 C 16 50 08.75 -13 06 55.0 V I52
2021-04-19 09:23:23 C 16 50 08.85 -13 06 52.9 V I52
2021-04-19 12:20:33 C 16 51 35.70 -12 38 22.8 V T08