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
2021-04-05 01:45:41 C 10 18 23.64 -11 31 34.3 X W34
2021-04-05 01:56:04 C 10 18 19.63 -11 28 39.7 X W34
2021-04-05 09:00:42 C 10 15 44.56 -09 22 35.3 V 474
2021-04-05 09:02:08 C 10 15 43.97 -09 22 09.7 V 474
2021-04-05 09:03:35 C 10 15 43.37 -09 21 43.5 V 474
2021-04-05 09:05:02 C 10 15 42.80 -09 21 17.5 V 474
2021-04-05 18:50:44 C 10 11 53.57 -06 18 37.6 V L18
2021-04-05 18:52:14 C 10 11 52.90 -06 18 07.1 V L18
2021-04-05 18:53:44 C 10 11 52.23 -06 17 38.3 V L18
2021-04-05 18:55:14 C 10 11 51.62 -06 17 07.7 V L18
2021-04-05 21:35:13 C 10 10 44.44 -05 23 11.3 V Z80
2021-04-05 21:41:53 C 10 10 41.53 -05 20 55.0 V Z80
2021-04-05 21:48:34 C 10 10 38.57 -05 18 37.1 V Z80
2021-04-05 22:08:17 C 10 10 29.87 -05 11 51.9 V Z99
2021-04-05 22:09:48 C 10 10 29.21 -05 11 20.1 V Z99
2021-04-05 22:11:19 C 10 10 28.55 -05 10 49.5 V Z99
2021-04-05 22:12:49 C 10 10 27.89 -05 10 18.2 V Z99
2021-04-05 22:14:20 C 10 10 27.23 -05 09 47.1 V Z99
2021-04-06 01:02:08 C 10 09 19.47 -04 08 20.0 V 807
2021-04-06 01:04:47 C 10 09 18.24 -04 07 24.2 V 807
2021-04-06 01:07:26 C 10 09 16.95 -04 06 24.5 V 807
2021-04-06 01:12:45 C 10 09 14.54 -04 04 34.2 V 807
2021-04-06 02:01:35 C 10 08 51.83 -03 47 09.8 u 807
2021-04-06 02:02:41 C 10 08 51.34 -03 46 46.8 u 807
2021-04-06 02:03:52 C 10 08 50.78 -03 46 21.3 u 807
2021-04-06 02:08:19 C 10 08 48.68 -03 44 46.0 u 807
2021-04-06 02:09:28 C 10 08 48.15 -03 44 21.4 u 807
2021-04-06 02:10:34 C 10 08 47.62 -03 43 56.8 u 807
2021-04-06 03:41:07 C 10 08 10.57 -03 13 40.0 V I52
2021-04-06 03:41:56 C 10 08 10.20 -03 13 22.2 V I52
2021-04-06 03:42:45 C 10 08 09.81 -03 13 04.4 V I52
2021-04-06 21:12:01 C 09 59 51.01 +03 40 27.7 V Z80
2021-04-06 21:18:41 C 09 59 47.41 +03 43 18.3 V Z80
2021-04-06 21:25:22 C 09 59 43.80 +03 46 09.2 V Z80
2021-04-06 22:15:28 C 09 59 16.68 +04 07 35.5 V Z99
2021-04-06 22:17:00 C 09 59 15.85 +04 08 15.3 V Z99
2021-04-06 22:18:45 C 09 59 14.92 +04 09 00.5 V Z99
2021-04-06 22:20:22 C 09 59 14.06 +04 09 42.0 V Z99
2021-04-06 22:22:10 C 09 59 13.04 +04 10 28.1 V Z99
2021-04-07 04:41:25 C 09 55 52.18 +06 58 50.4 V I52
2021-04-07 04:41:36 C 09 55 52.06 +06 58 55.5 V I52
2021-04-07 04:41:48 C 09 55 51.95 +06 59 00.7 V I52
2021-04-07 04:41:59 C 09 55 51.84 +06 59 06.1 V I52
2021-04-07 04:55:14 C 09 55 44.00 +07 05 07.8 V 703
2021-04-07 05:10:23 C 09 55 35.06 +07 11 59.6 V 703
2021-04-07 05:17:58 C 09 55 30.63 +07 15 26.3 V 703
2021-04-07 19:29:22 C 09 47 09.99 +14 02 55.7 V G17
2021-04-07 19:37:25 C 09 47 04.59 +14 06 57.2 V G17
2021-04-07 19:45:27 C 09 46 59.17 +14 10 59.5 V G17
2021-04-07 20:54:53 C 09 46 12.30 +14 45 57.0 q 160