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
2021-04-01 06:19:31 C 10 42 19.80 -28 17 40.4 V 703
2021-04-01 06:43:18 C 10 42 14.58 -28 14 52.9 V 703
2021-04-03 09:45:26 C 10 30 35.92 -20 42 18.4 V T08
2021-04-03 09:51:26 C 10 30 34.19 -20 41 10.7 V T08
2021-04-03 09:58:51 C 10 30 31.99 -20 39 47.1 V T08
2021-04-03 10:21:18 C 10 30 25.44 -20 35 33.2 V T08
2021-04-03 16:29:09 C 10 28 48.15 -19 25 01.5 V N82
2021-04-03 16:33:49 C 10 28 46.74 -19 24 06.3 V N82
2021-04-03 16:38:29 C 10 28 45.32 -19 23 09.9 V N82
2021-04-03 19:30:17 C 10 27 59.50 -18 48 19.4 V L01
2021-04-03 19:32:55 C 10 27 58.66 -18 47 47.5 V L01
2021-04-03 19:35:26 C 10 27 57.91 -18 47 16.8 V L01
2021-04-03 19:37:57 C 10 27 57.16 -18 46 46.2 V L01
2021-04-03 19:41:42 C 10 27 56.02 -18 45 59.4 V L01
2021-04-03 20:39:30 C 10 27 38.23 -18 34 02.9 V 595
2021-04-03 20:48:14 C 10 27 35.54 -18 32 14.6 V 595
2021-04-03 20:54:38 C 10 27 33.86 -18 30 52.2 V K63
2021-04-03 20:56:59 C 10 27 32.84 -18 30 25.4 V 595
2021-04-03 21:02:31 C 10 27 32.44 -18 29 14.9 V 958
2021-04-03 21:03:01 C 10 27 31.26 -18 29 08.6 V K63
2021-04-03 21:05:44 C 10 27 30.07 -18 28 34.9 V 595
2021-04-03 21:11:38 C 10 27 29.65 -18 27 21.2 V 958
2021-04-03 21:20:18 C 10 27 26.91 -18 25 32.2 V 958
2021-04-03 22:18:12 C 10 27 08.81 -18 13 21.0 V I93
2021-04-03 22:22:40 C 10 27 07.38 -18 12 24.8 V I93
2021-04-03 22:27:15 C 10 27 05.95 -18 11 26.7 V I93
2021-04-03 22:29:56 C 10 27 04.15 -18 10 50.1 V 104
2021-04-03 22:38:30 C 10 27 01.49 -18 09 01.3 V 104
2021-04-03 22:47:04 C 10 26 58.77 -18 07 12.4 V 104
2021-04-03 22:59:46 C 10 27 01.67 -18 02 26.9 q X31
2021-04-03 23:03:21 C 10 27 00.56 -18 01 42.3 q X31
2021-04-03 23:06:56 C 10 26 59.40 -18 00 56.5 q X31
2021-04-03 23:47:52 C 10 26 45.07 -17 52 37.9 X Y00
2021-04-03 23:50:48 C 10 26 44.15 -17 52 00.0 X Y00
2021-04-03 23:53:45 C 10 26 43.16 -17 51 20.6 X Y00
2021-04-04 03:23:49 C 10 25 40.44 -17 07 00.9 q 734
2021-04-04 03:28:21 C 10 25 38.95 -17 05 59.8 q 734
2021-04-04 03:32:53 C 10 25 37.46 -17 04 59.8 q 734
2021-04-04 03:37:25 C 10 25 35.96 -17 03 57.9 q 734
2021-04-04 08:24:05 C 10 24 06.78 -15 58 04.2 V T08
2021-04-04 08:28:45 C 10 24 05.18 -15 56 57.9 V T08
2021-04-04 08:37:24 C 10 24 02.21 -15 54 57.1 V T08
2021-04-04 08:53:59 C 10 23 56.51 -15 51 03.0 V T08
2021-04-04 16:18:09 C 10 21 34.80 -14 03 01.8 V N88
2021-04-04 16:18:40 C 10 21 34.64 -14 02 53.6 V N88
2021-04-04 16:19:09 C 10 21 34.46 -14 02 46.5 V N88
2021-04-04 16:19:39 C 10 21 34.30 -14 02 37.8 V N88
2021-04-04 16:20:11 C 10 21 34.10 -14 02 30.4 V N88
2021-04-04 18:40:50 C 10 20 50.74 -13 26 26.3 V 246
2021-04-04 18:41:33 C 10 20 50.46 -13 26 14.5 V 246