2021 GR5

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6627474699 ± 1.57e-04
Semi-major axis (a)2.9281738752 AU ± 1.35e-03
Inclination (i)20.91057203° ± 2.81e-03
Long. of Asc. Node (Ω)12.87510524° ± 8.67e-04
Arg. of Perihelion (ω)135.52039862° ± 2.91e-03
Mean Anomaly (M)339.57774711° ± 2.37e-01
Mean Motion (n)0.1967057177°/day ± 1.36e-04
Perihelion dist (q)0.98753405 AU ± 6.46e-04
Aphelion dist (Q)4.86881370 AU ± 2.29e-03
Orbital Period5.01066413 yr ± 3.46e-03
Physical Parameters
H (abs. magnitude)23.65
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.166″
Uncertainty3
Orbit TypeApollo
MOID0.089685 AU
Observations Used22
Oppositions1
Arc Total2021-2021
First Observation Used2021-04-08
Last Observation Used2021-04-13
Observations (24)
Date Type RA Dec Mag Band Observatory
2021-04-08 05:34:32 C 10 19 26.23 +11 00 47.8 V G96
2021-04-08 05:41:57 C 10 19 27.55 +10 59 46.5 V G96
2021-04-08 05:49:23 C 10 19 28.86 +10 58 45.7 V G96
2021-04-08 05:56:48 C 10 19 30.17 +10 57 44.0 V G96
2021-04-08 08:12:58 C 10 19 54.54 +10 39 01.4 V I52
2021-04-08 08:17:49 C 10 19 55.39 +10 38 20.9 V I52
2021-04-08 19:56:19 C 10 22 08.71 +09 04 07.1 V 033
2021-04-08 19:58:19 C 10 22 09.04 +09 03 51.3 V 033
2021-04-08 20:00:18 C 10 22 09.40 +09 03 35.2 V 033
2021-04-08 20:02:18 C 10 22 09.73 +09 03 19.8 V 033
2021-04-09 03:53:45 C 10 23 35.40 +08 01 43.6 V H01
2021-04-09 03:57:07 C 10 23 36.17 +08 01 18.7 V I52
2021-04-09 03:58:59 C 10 23 36.27 +08 01 02.9 V H01
2021-04-09 04:01:57 C 10 23 36.96 +08 00 41.1 V I52
2021-04-09 04:06:48 C 10 23 37.76 +08 00 03.5 V I52
2021-04-09 04:11:38 C 10 23 38.55 +07 59 25.7 V I52
2021-04-09 04:14:42 C 10 23 38.87 +07 59 00.7 V H01
2021-04-09 04:24:24 C 10 23 40.47 +07 57 45.0 V H01
2021-04-10 22:35:32 C 10 30 49.630 +02 48 52.71 V J04
2021-04-10 22:50:02 C 10 30 51.814 +02 47 12.65 V J04
2021-04-10 23:04:27 C 10 30 53.942 +02 45 33.61 V J04
2021-04-13 02:08:28 C 10 38 37.75 -02 37 42.6 V 807
2021-04-13 02:14:26 C 10 38 38.53 -02 38 17.3 V 807
2021-04-13 02:20:24 C 10 38 39.29 -02 38 52.3 V 807