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
2021-04-19 12:32:26 C 16 51 41.16 -12 36 28.1 V T08
2021-04-19 12:38:24 C 16 51 43.87 -12 35 31.1 V T08
2021-04-19 12:53:01 C 16 51 50.55 -12 33 10.3 V T08
2021-04-19 15:53:27 C 16 53 18.69 -12 01 35.7 V 474
2021-04-19 15:56:20 C 16 53 20.04 -12 01 07.0 V 474
2021-04-19 15:57:47 C 16 53 20.73 -12 00 52.9 V 474
2021-04-20 02:03:51 C 16 58 31.90 -10 21 04.7 V 033
2021-04-20 02:04:20 C 16 58 32.15 -10 20 59.4 V 033
2021-04-20 02:05:05 C 16 58 32.52 -10 20 51.6 V 033
2021-04-20 10:55:50 C 17 03 15.58 -08 44 41.8 V I52
2021-04-20 10:56:01 C 17 03 15.69 -08 44 39.7 V I52
2021-04-20 10:56:13 C 17 03 15.77 -08 44 37.9 V I52
2021-04-20 10:56:24 C 17 03 15.87 -08 44 35.6 V I52
2021-04-20 12:39:42 C 17 04 15.40 -08 24 54.3 V T08
2021-04-20 12:53:47 C 17 04 22.63 -08 22 15.9 V T08
2021-04-20 13:06:26 C 17 04 29.14 -08 19 53.5 V T08
2021-04-20 15:03:44 C 17 05 29.88 -07 57 41.0 V T08
2021-04-21 01:09:07 C 17 11 21.03 -05 59 50.7 V 033
2021-04-21 01:09:36 C 17 11 21.31 -05 59 44.7 V 033
2021-04-21 01:10:06 C 17 11 21.59 -05 59 38.7 V 033
2021-04-22 11:50:11 C 17 33 27.61 +01 44 59.5 V T05
2021-04-22 11:53:28 C 17 33 29.75 +01 45 47.4 V T05
2021-04-22 11:57:26 C 17 33 32.34 +01 46 45.1 V T05
2021-04-22 12:04:41 C 17 33 37.08 +01 48 31.1 V T05
2021-04-22 14:03:39 C 17 34 54.787 +02 17 36.71 U F52
2021-04-22 14:33:42 C 17 35 14.492 +02 24 59.98 U F52
2021-04-22 14:48:41 C 17 35 24.334 +02 28 41.10 U F52
2021-04-23 00:08:07 C 17 42 11.49 +04 48 13.7 V 160
2021-04-23 00:11:31 C 17 42 13.94 +04 49 06.4 V 160
2021-04-23 00:14:58 C 17 42 16.36 +04 49 59.4 V 160
2021-04-23 00:31:48 C 17 42 27.99 +04 54 06.9 V A17
2021-04-23 00:38:07 C 17 42 32.46 +04 55 44.2 V A17
2021-04-23 00:44:40 C 17 42 37.09 +04 57 25.4 V A17
2021-04-23 01:07:08 C 17 42 53.83 +05 03 06.9 V J95
2021-04-23 01:13:39 C 17 42 58.48 +05 04 47.6 V J95
2021-04-23 01:18:02 C 17 43 00.49 +05 05 59.0 V K87
2021-04-23 01:20:31 C 17 43 03.35 +05 06 33.6 V J95
2021-04-23 01:20:46 C 17 43 02.40 +05 06 41.7 V K87
2021-04-23 01:23:28 C 17 43 04.34 +05 07 23.4 V K87
2021-04-23 01:26:27 C 17 43 06.70 +05 08 17.7 V 130
2021-04-23 01:26:58 C 17 43 07.94 +05 08 13.1 V J95
2021-04-23 01:30:00 C 17 43 09.21 +05 09 12.6 V 130
2021-04-23 01:33:33 C 17 43 11.71 +05 10 07.5 V 130
2021-04-23 02:43:35 C 17 44 00.90 +05 28 00.8 V 033
2021-04-23 02:44:06 C 17 44 01.26 +05 28 08.6 V 033
2021-04-23 02:44:35 C 17 44 01.61 +05 28 16.2 V 033
2021-04-23 10:54:18 C 17 50 10.83 +07 37 20.4 V I52
2021-04-23 10:55:04 C 17 50 11.39 +07 37 32.6 V I52
2021-04-23 10:55:49 C 17 50 11.94 +07 37 44.5 V I52
2021-04-23 22:31:00 C 17 59 25.16 +10 44 40.6 V L18