IAA RAS IAA Minor Planet Database

2021 GD3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2151960348 ± 1.71e-08
Semi-major axis (a)1.3142820843 AU ± 3.37e-09
Inclination (i)3.94037618° ± 4.11e-06
Long. of Asc. Node (Ω)33.51529817° ± 8.42e-06
Arg. of Perihelion (ω)178.62623500° ± 5.22e-05
Mean Anomaly (M)17.27115791° ± 3.09e-05
Mean Motion (n)0.6541530858°/day ± 2.52e-09
Perihelion dist (q)1.03145379 AU ± 2.27e-08
Aphelion dist (Q)1.59711038 AU ± 2.29e-08
Orbital Period1.50672114 yr ± 5.80e-09
Physical Parameters
H (abs. magnitude)26.94
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.308″
Uncertainty0
Orbit TypeAmor
MOID0.025299 AU
Observations Used55
Oppositions1
Arc Total2021-2024
First Observation Used2021-04-05
Last Observation Used2024-04-29
Observations (58)
Date Type RA Dec Mag Band Observatory
2021-04-05 07:50:17 C 13 18 20.73 +25 52 55.8 – V G96
2021-04-05 07:58:27 C 13 18 21.98 +25 52 33.1 – V G96
2021-04-05 08:06:38 C 13 18 23.18 +25 52 10.6 – V G96
2021-04-05 09:12:53 C 13 18 32.67 +25 48 54.5 – V H01
2021-04-05 09:17:32 C 13 18 33.39 +25 48 40.9 – V H01
2021-04-05 09:32:17 C 13 18 35.73 +25 47 57.7 – V H01
2021-04-05 09:42:33 C 13 18 37.37 +25 47 27.3 – V H01
2021-04-05 10:03:24 C 13 18 41.21 +25 46 33.2 – V V06
2021-04-05 10:07:58 C 13 18 41.94 +25 46 19.5 – V V06
2021-04-05 10:12:31 C 13 18 42.68 +25 46 05.8 – V V06
2021-04-06 04:09:48 C 13 22 46.20 +24 53 35.7 – V I52
2021-04-06 04:16:26 C 13 22 47.36 +24 53 16.9 – V I52
2021-04-06 05:15:31 C 13 22 52.92 +24 50 20.3 – u H21
2021-04-06 05:24:11 C 13 22 54.36 +24 49 54.4 – u H21
2021-04-07 05:15:43 C 13 28 10.20 +23 33 27.2 – u H21
2021-04-07 05:27:36 C 13 28 12.31 +23 32 48.0 – u H21
2021-04-07 05:43:14 C 13 28 20.01 +23 32 11.9 – V I52
2021-04-07 05:46:52 C 13 28 20.74 +23 32 00.6 – V I52
2021-04-07 05:50:30 C 13 28 21.34 +23 31 48.6 – V I52
2021-04-08 12:22:23 C 13 35 18.223 +21 42 29.20 – U F51
2021-04-08 12:38:42 C 13 35 21.203 +21 41 24.06 – U F51
2021-04-08 12:55:04 C 13 35 24.220 +21 40 18.59 – U F51
2021-04-12 22:21:33 C 14 04 19.02 +13 12 58.1 – V 033
2021-04-12 22:23:53 C 14 04 19.64 +13 12 45.0 – V 033
2021-04-12 22:26:13 C 14 04 20.25 +13 12 31.6 – V 033
2021-04-12 22:28:37 C 14 04 20.88 +13 12 17.7 – V 033
2021-04-13 06:15:20 C 14 06 46.64 +12 27 37.4 – V I52
2021-04-13 06:16:45 C 14 06 46.97 +12 27 29.0 – V I52
2021-04-13 06:18:10 C 14 06 47.31 +12 27 20.5 – V I52
2021-04-13 06:19:35 C 14 06 47.67 +12 27 12.5 – V I52
2021-04-17 11:01:44 C 14 40 40.30 +00 43 28.8 – V I52
2021-04-17 11:02:57 C 14 40 40.66 +00 43 18.6 – V I52
2021-04-17 11:04:09 C 14 40 41.07 +00 43 09.1 – V I52
2021-04-19 06:05:35 C 14 57 24.15 -05 10 15.0 – q 734
2021-04-19 06:10:44 C 14 57 25.82 -05 10 58.5 – q 734
2021-04-19 06:15:54 C 14 57 27.50 -05 11 41.1 – q 734
2021-04-19 06:21:04 C 14 57 29.02 -05 12 28.0 – q 734
2021-04-19 06:26:13 C 14 57 30.57 -05 13 08.8 – q 734
2021-04-20 10:11:12 C 15 08 25.90 -09 09 40.3 – V I52
2021-04-20 10:11:49 C 15 08 26.10 -09 09 45.1 – V I52
2021-04-20 10:12:25 C 15 08 26.32 -09 09 50.3 – V I52
2021-04-20 10:27:59 C 15 08 31.55 -09 12 03.2 – V I52
2021-04-23 09:03:54 C 15 38 22.18 -19 14 41.6 – V 291
2021-04-23 09:06:54 C 15 38 23.24 -19 15 06.5 – V 291
2021-04-23 09:09:55 C 15 38 24.29 -19 15 31.2 – V 291
2021-04-25 08:47:22 C 15 59 12.33 -25 33 59.4 – V I52
2021-04-25 08:53:51 C 15 59 14.60 -25 34 47.8 – V I52
2021-04-25 08:57:06 C 15 59 15.87 -25 35 12.7 – V I52
2024-04-16 05:05:12 C 11 19 24.650 +21 23 29.33 – V I52
2024-04-16 05:13:00 C 11 19 25.129 +21 22 55.56 – V I52