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
2021-04-23 22:33:01 C 17 59 26.72 +10 45 13.1 V L18
2021-04-23 22:35:01 C 17 59 28.30 +10 45 45.7 V L18
2021-04-23 22:38:14 C 17 59 31.71 +10 46 36.7 V C47
2021-04-23 22:46:49 C 17 59 38.54 +10 48 58.7 V C47
2021-04-23 22:55:24 C 17 59 45.36 +10 51 21.0 V C47
2021-04-23 23:37:59 C 18 00 19.14 +11 02 59.6 V 033
2021-04-23 23:38:30 C 18 00 19.52 +11 03 07.6 V 033
2021-04-23 23:38:59 C 18 00 19.92 +11 03 16.1 V 033
2021-04-24 07:17:55 C 18 06 36.92 +13 14 04.9 V W88
2021-04-24 07:25:15 C 18 06 42.79 +13 16 08.3 V W88
2021-04-24 07:35:43 C 18 06 51.15 +13 19 03.8 V W88
2021-04-24 08:10:50 C 18 07 25.24 +13 25 45.3 V I52
2021-04-24 08:11:01 C 18 07 25.40 +13 25 48.5 V I52
2021-04-24 08:11:13 C 18 07 25.57 +13 25 51.7 V I52
2021-04-24 08:11:24 C 18 07 25.72 +13 25 54.9 V I52
2021-04-24 12:41:00 C 18 11 12.81 +14 42 04.1 V T08
2021-04-24 12:44:59 C 18 11 16.05 +14 43 11.1 V T08
2021-04-24 12:52:17 C 18 11 22.03 +14 45 14.9 V T08
2021-04-25 01:12:02 C 18 22 14.77 +18 12 07.0 V K87
2021-04-25 01:14:32 C 18 22 16.96 +18 12 49.2 V K87
2021-04-25 01:17:02 C 18 22 19.20 +18 13 31.4 V K87
2021-04-25 07:42:52 C 18 28 17.31 +20 02 43.3 V I52
2021-04-25 07:43:03 C 18 28 17.51 +20 02 46.9 V I52
2021-04-25 07:43:14 C 18 28 17.70 +20 02 50.2 V I52
2021-04-25 07:43:25 C 18 28 17.84 +20 02 53.4 V I52
2021-04-25 12:56:43 C 18 33 07.76 +21 31 42.2 V T08
2021-04-25 13:08:29 C 18 33 18.39 +21 35 01.2 V T08
2021-04-25 13:12:28 C 18 33 22.05 +21 36 09.6 V T08
2021-04-25 13:21:18 C 18 33 29.97 +21 38 37.5 V T08
2021-04-26 02:09:29 C 18 45 54.35 +25 09 33.3 V K87
2021-04-26 02:14:02 C 18 45 58.74 +25 10 47.9 V K87
2021-04-26 02:18:36 C 18 46 03.11 +25 12 03.0 V K87
2021-04-26 23:46:51 C 19 08 09.04 +30 50 27.4 V 033
2021-04-26 23:47:20 C 19 08 09.55 +30 50 35.0 V 033
2021-04-26 23:47:49 C 19 08 10.07 +30 50 42.5 V 033
2021-04-26 23:48:20 C 19 08 10.59 +30 50 50.0 V 033
2021-04-27 02:36:42 C 19 11 05.11 +31 33 23.0 V 033
2021-04-27 02:37:11 C 19 11 05.63 +31 33 30.2 V 033
2021-04-27 02:37:40 C 19 11 06.14 +31 33 37.6 V 033
2021-04-27 02:38:11 C 19 11 06.63 +31 33 45.1 V 033
2021-04-27 02:38:40 C 19 11 07.16 +31 33 52.3 V 033
2021-04-27 22:51:43 C 19 33 15.10 +36 18 10.0 V L18
2021-04-27 22:52:03 C 19 33 15.76 +36 17 54.9 V 033
2021-04-27 22:52:33 C 19 33 16.30 +36 18 01.3 V 033
2021-04-27 22:53:03 C 19 33 16.86 +36 18 08.1 V 033
2021-04-27 22:55:11 C 19 33 18.98 +36 18 56.0 V L18
2021-04-27 22:58:42 C 19 33 22.91 +36 19 42.8 V L18
2021-04-28 02:43:35 C 19 37 29.52 +37 08 59.8 V 033
2021-04-28 02:43:54 C 19 37 29.84 +37 09 03.8 V 033
2021-04-28 02:44:14 C 19 37 30.21 +37 09 08.2 V 033