2021 GD1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5785989000 ± 2.00e+00
Semi-major axis (a)1.8581860000 AU ± 3.00e+00
Inclination (i)30.89325000° ± 4.00e+00
Long. of Asc. Node (Ω)195.28537000° ± 5.00e+00
Arg. of Perihelion (ω)70.50506000° ± 6.00e+00
Mean Anomaly (M)278.32349000°
Mean Motion (n)0.3891081200°/day ± 9.42e-01
Perihelion dist (q)0.78304160 AU ± 3.93e+00
Aphelion dist (Q)2.93333040 AU ± 6.02e+00
Orbital Period2.53299180 yr ± 6.13e+00
Physical Parameters
H (abs. magnitude)22.52
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.750″
Uncertainty7
Orbit TypeApollo
MOID0.026067 AU
Observations Used182
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-04-13
Observations (190)
Date Type RA Dec Mag Band Observatory
2021-04-07 20:57:37 C 09 46 10.45 +14 47 20.4 q 160
2021-04-07 21:00:11 C 09 46 08.71 +14 48 38.0 q 160
2021-04-08 04:00:41 C 09 41 29.87 +18 25 36.4 V I52
2021-04-08 04:04:37 C 09 41 26.97 +18 27 39.6 V I52
2021-04-08 04:07:22 C 09 41 24.95 +18 29 06.0 V I52
2021-04-08 04:10:44 C 09 41 22.47 +18 30 51.9 V I52
2021-04-08 19:20:26 C 09 29 56.27 +26 38 19.9 V L18
2021-04-08 19:21:49 C 09 29 55.07 +26 39 05.5 V L18
2021-04-08 19:23:12 C 09 29 53.86 +26 39 51.0 V L18
2021-04-08 19:39:00 C 09 29 42.75 +26 48 27.9 V K87
2021-04-08 19:41:39 C 09 29 40.44 +26 49 54.9 V K87
2021-04-08 20:22:21 C 09 29 05.49 +27 12 06.3 V K74
2021-04-08 20:26:03 C 09 29 02.27 +27 14 07.2 V K74
2021-04-08 20:29:45 C 09 28 59.08 +27 16 08.0 V K74
2021-04-08 20:33:44 C 09 28 55.65 +27 18 19.0 V K74
2021-04-08 20:34:29 C 09 28 53.70 +27 19 06.4 V K73
2021-04-08 20:38:32 C 09 28 51.36 +27 20 52.3 V 033
2021-04-08 20:39:02 C 09 28 50.94 +27 21 08.6 V 033
2021-04-08 20:39:21 C 09 28 49.34 +27 21 45.3 V K73
2021-04-08 20:39:31 C 09 28 50.51 +27 21 24.7 V 033
2021-04-08 20:45:21 C 09 28 44.18 +27 25 02.1 V K73
2021-04-09 00:20:26 C 09 25 37.97 +29 21 40.3 V 033
2021-04-09 00:20:56 C 09 25 37.53 +29 21 56.2 V 033
2021-04-09 00:21:25 C 09 25 37.11 +29 22 12.5 V 033
2021-04-09 04:37:58 C 09 21 54.83 +31 44 01.0 V I52
2021-04-09 04:38:10 C 09 21 54.65 +31 44 07.4 V I52
2021-04-09 04:38:21 C 09 21 54.46 +31 44 13.6 V I52
2021-04-09 04:38:32 C 09 21 54.27 +31 44 19.8 V I52
2021-04-09 06:45:15 S 09 20 02.758 +32 53 19.57 L C51
2021-04-09 08:19:30 S 09 18 34.274 +33 44 36.96 L C51
2021-04-09 08:19:41 S 09 18 34.147 +33 44 40.45 L C51
2021-04-09 20:01:26 C 09 06 38.36 +39 59 31.3 V 033
2021-04-09 20:01:56 C 09 06 37.80 +39 59 46.8 V 033
2021-04-09 20:02:25 C 09 06 37.24 +40 00 02.3 V 033
2021-04-11 03:09:26 C 08 25 27.12 +54 44 09.7 V G96
2021-04-11 03:17:02 C 08 25 14.51 +54 47 15.6 V G96
2021-04-11 03:32:14 C 08 24 49.10 +54 53 29.7 V G96
2021-04-13 02:34:58 C 06 45 06.20 +68 51 05.4 V 033
2021-04-13 02:35:57 C 06 45 03.66 +68 51 16.6 V 033
2021-04-13 02:36:57 C 06 45 01.05 +68 51 27.4 V 033