2021 GQ4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4445524000
Semi-major axis (a)1.8374409000 AU
Inclination (i)5.28822000°
Long. of Asc. Node (Ω)26.58298000°
Arg. of Perihelion (ω)173.89140000°
Mean Anomaly (M)307.67275000°
Mean Motion (n)0.3957163600°/day
Perihelion dist (q)1.02060210 AU
Aphelion dist (Q)2.65427970 AU
Orbital Period2.49069220 yr
Physical Parameters
H (abs. magnitude)25.60
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.520″
Uncertainty7
Orbit TypeAmor
MOID0.018231 AU
Observations Used23
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-04-09
Observations (24)
Date Type RA Dec Mag Band Observatory
2021-04-07 13:58:45 C 16 47 38.994 -02 49 27.72 V F51
2021-04-07 14:17:16 C 16 47 48.998 -02 52 45.63 U F51
2021-04-07 14:35:43 C 16 47 58.987 -02 56 03.52 V F51
2021-04-07 14:53:24 C 16 48 08.506 -02 59 11.91 U F51
2021-04-08 03:01:55 C 16 55 24.76 -05 08 17.6 V L01
2021-04-08 03:08:38 C 16 55 28.49 -05 09 26.7 V L01
2021-04-08 03:11:15 C 16 55 29.86 -05 09 53.2 V L01
2021-04-08 08:53:53 C 16 58 56.27 -06 07 38.0 V H01
2021-04-08 08:58:59 C 16 58 58.95 -06 08 29.9 V H01
2021-04-08 09:13:06 C 16 59 06.38 -06 10 53.1 V H01
2021-04-08 09:23:42 C 16 59 11.91 -06 12 40.5 V H01
2021-04-08 14:44:06 C 17 02 07.333 -07 05 18.31 V 568
2021-04-08 14:47:02 C 17 02 08.804 -07 05 47.25 V 568
2021-04-08 14:50:48 C 17 02 10.699 -07 06 24.56 V 568
2021-04-08 15:49:33 C 17 02 48.19 -07 12 03.2 V 474
2021-04-08 15:51:20 C 17 02 49.07 -07 12 20.8 V 474
2021-04-08 15:53:07 C 17 02 50.03 -07 12 39.0 V 474
2021-04-08 15:54:54 C 17 02 50.94 -07 12 55.9 V 474
2021-04-09 02:20:17 C 17 08 37.77 -08 59 10.3 V 033
2021-04-09 02:21:41 C 17 08 38.45 -08 59 23.7 V 033
2021-04-09 05:08:05 C 17 10 06.615 -09 24 33.15 V J04
2021-04-09 10:49:57 C 17 13 11.81 -10 17 28.0 V I52
2021-04-09 10:52:05 C 17 13 12.81 -10 17 47.3 V I52
2021-04-09 10:56:20 C 17 13 14.78 -10 18 26.6 V I52