2021 GD

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2405959000 ± 3.77e-04
Semi-major axis (a)1.4259473000 AU ± 8.15e-04
Inclination (i)29.06107000° ± 1.93e-02
Long. of Asc. Node (Ω)181.92065000° ± 1.06e-03
Arg. of Perihelion (ω)333.26833000° ± 2.02e-02
Mean Anomaly (M)283.32021000° ± 8.71e-01
Mean Motion (n)0.5788271067°/day ± 4.96e-04
Perihelion dist (q)1.08287020 AU ± 8.20e-04
Aphelion dist (Q)1.76902440 AU ± 1.14e-03
Orbital Period1.70276700 yr ± 1.46e-03
Physical Parameters
H (abs. magnitude)23.93
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual—″
Uncertainty5
Orbit TypeAmor
MOID0.107796 AU
Observations Used27
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-04-26
Observations (27)
Date Type RA Dec Mag Band Observatory
2021-03-22 07:43:08 C 12 52 14.95 -01 01 57.9 V G96
2021-03-22 07:51:20 C 12 52 16.09 -01 00 28.3 V G96
2021-04-01 08:20:41 C 13 23 18.78 +32 25 02.9 V G96
2021-04-01 08:28:23 C 13 23 19.39 +32 25 44.0 V G96
2021-04-01 08:36:03 C 13 23 20.10 +32 26 26.1 V G96
2021-04-01 08:43:45 C 13 23 20.75 +32 27 07.6 V G96
2021-04-01 09:57:16 C 13 23 27.26 +32 33 44.4 V 291
2021-04-01 10:08:16 C 13 23 28.21 +32 34 42.2 V 291
2021-04-01 10:19:17 C 13 23 29.18 +32 35 40.9 V 291
2021-04-01 11:03:25 C 13 23 33.19 +32 39 35.0 V I52
2021-04-01 11:08:16 C 13 23 33.55 +32 39 59.7 V I52
2021-04-01 11:13:06 C 13 23 33.98 +32 40 24.7 V I52
2021-04-01 11:17:57 C 13 23 34.50 +32 40 51.5 V I52
2021-04-02 00:31:40 C 13 24 57.10 +33 49 58.5 V L01
2021-04-02 00:36:39 C 13 24 57.52 +33 50 24.0 V L01
2021-04-02 00:41:39 C 13 24 57.91 +33 50 48.6 V L01
2021-04-02 00:51:38 C 13 24 58.80 +33 51 39.1 V L01
2021-04-02 03:51:41 C 13 25 19.87 +34 06 51.4 u H21
2021-04-02 04:03:34 C 13 25 20.92 +34 07 51.8 u H21
2021-04-02 05:51:45 C 13 25 31.62 +34 17 01.2 V V06
2021-04-02 05:56:52 C 13 25 32.05 +34 17 27.0 V V06
2021-04-02 06:01:59 C 13 25 32.47 +34 17 52.7 V V06
2021-04-05 04:44:45 C 13 32 03.70 +39 25 38.8 u H21
2021-04-05 04:52:19 C 13 32 04.23 +39 26 07.6 u H21
2021-04-05 04:59:19 C 13 32 04.75 +39 26 34.5 u H21
2021-04-26 09:28:42 C 13 59 43.33 +52 59 09.1 V 695
2021-04-26 10:05:34 C 13 59 44.26 +52 59 22.3 V 695