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
2021-04-28 02:44:34 C 19 37 30.58 +37 09 12.5 V 033
2021-04-28 02:44:54 C 19 37 30.94 +37 09 16.9 V 033
2021-05-01 11:29:34 C 21 09 03.48 +49 23 49.9 V I52
2021-05-01 11:30:41 C 21 09 04.65 +49 23 55.8 V I52
2021-05-01 11:31:48 C 21 09 05.84 +49 24 02.6 V I52
2022-02-25 02:22:34 C 09 59 25.56 -29 34 02.8 V 807
2022-02-25 02:30:33 C 09 59 24.65 -29 33 57.0 V 807
2022-02-25 02:38:32 C 09 59 23.74 -29 33 51.6 V 807
2022-02-25 07:55:47 C 09 58 49.576 -29 30 11.90 V T14
2022-02-25 07:57:11 C 09 58 49.419 -29 30 10.94 V T14
2022-02-25 07:58:36 C 09 58 49.255 -29 30 09.92 V T14
2022-02-26 01:56:49 C 09 56 52.37 -29 16 08.3 V 807
2022-02-26 02:02:09 C 09 56 51.71 -29 16 04.6 V 807
2022-02-26 02:07:28 C 09 56 51.12 -29 16 00.5 V 807
2022-03-13 04:30:51 C 09 19 53.74 -22 06 32.6 o 291
2022-03-13 04:43:48 C 09 19 52.48 -22 06 12.3 o 291
2022-03-13 04:56:49 C 09 19 51.30 -22 05 53.7 o 291
2023-01-17 06:44:11 C 08 21 57.59 -27 45 19.3 V 807
2023-01-17 06:53:14 C 08 21 56.60 -27 45 17.7 V 807
2023-01-17 07:02:17 C 08 21 55.51 -27 45 16.0 V 807
2023-11-16 07:47:46 C 08 18 55.140 -41 56 58.00 u 807
2023-11-16 07:54:07 C 08 18 52.350 -41 57 04.60 u 807
2023-11-16 08:00:19 C 08 18 49.620 -41 57 12.00 u 807
2023-12-10 09:18:16 C 05 41 10.481 -38 55 04.80 X F52
2023-12-10 09:34:16 C 05 41 07.825 -38 54 49.75 X F52
2023-12-10 09:50:11 C 05 41 05.146 -38 54 34.26 X F52
2023-12-10 10:06:09 C 05 41 02.482 -38 54 18.63 X F52