2021 RQ4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2936855000
Semi-major axis (a)1.2521529000 AU
Inclination (i)2.85372000°
Long. of Asc. Node (Ω)342.35533000°
Arg. of Perihelion (ω)69.21596000°
Mean Anomaly (M)321.33928000°
Mean Motion (n)0.7034253900°/day
Perihelion dist (q)0.88441370 AU
Aphelion dist (Q)1.61989210 AU
Orbital Period1.40115460 yr
Physical Parameters
H (abs. magnitude)28.88
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.390″
Uncertainty6
Orbit TypeApollo
MOID0.005529 AU
Observations Used33
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-09-11
Observations (34)
Date Type RA Dec Mag Band Observatory
2021-09-08 20:57:35 C 22 23 53.21 +03 48 40.7 V K88
2021-09-08 21:45:44 C 22 23 38.20 +04 05 05.0 V K88
2021-09-08 22:53:56 C 22 23 16.31 +04 28 50.3 V K88
2021-09-09 05:06:13 C 22 22 22.45 +06 53 35.4 V G96
2021-09-09 05:15:05 C 22 22 18.90 +06 57 18.1 V G96
2021-09-09 05:23:56 C 22 22 15.38 +07 01 00.2 V G96
2021-09-09 05:32:47 C 22 22 11.90 +07 04 41.0 V G96
2021-09-09 07:34:20 C 22 21 21.12 +07 56 48.0 V G96
2021-09-09 07:34:36 C 22 21 21.01 +07 56 54.2 V G96
2021-09-09 07:35:38 C 22 21 20.57 +07 57 22.0 V G96
2021-09-09 07:35:54 C 22 21 20.46 +07 57 29.3 V G96
2021-09-09 19:04:06 C 22 18 44.09 +13 47 18.3 V 033
2021-09-09 19:04:40 C 22 18 43.85 +13 47 38.4 V 033
2021-09-09 19:05:13 C 22 18 43.59 +13 47 59.0 V 033
2021-09-09 19:49:32 C 22 18 22.68 +14 15 36.9 V 246
2021-09-09 19:50:45 C 22 18 22.05 +14 16 22.5 V 246
2021-09-09 19:51:10 C 22 18 21.88 +14 16 37.8 V 246
2021-09-09 19:55:58 C 22 18 19.50 +14 19 36.0 V 246
2021-09-09 19:56:18 C 22 18 19.36 +14 19 48.6 V 246
2021-09-09 19:56:37 C 22 18 19.21 +14 19 59.3 V 246
2021-09-09 20:16:56 C 22 18 20.68 +14 33 22.1 X 958
2021-09-09 20:20:15 C 22 18 19.00 +14 35 26.7 X 958
2021-09-09 20:23:34 C 22 18 17.39 +14 37 32.6 X 958
2021-09-09 21:20:44 C 22 17 36.35 +15 13 55.3 V L01
2021-09-09 21:23:13 C 22 17 34.96 +15 15 30.5 V L01
2021-09-09 21:25:41 C 22 17 33.57 +15 17 06.2 V L01
2021-09-09 21:28:42 C 22 17 31.89 +15 19 02.4 V L01
2021-09-10 19:06:37 C 22 05 23.70 +34 37 32.6 V 033
2021-09-10 19:06:57 C 22 05 23.33 +34 37 56.5 V 033
2021-09-10 19:07:16 C 22 05 22.96 +34 38 20.3 V 033
2021-09-11 21:22:15 C 20 36 42.42 +73 55 23.5 V 033
2021-09-11 21:22:34 C 20 36 38.48 +73 55 51.3 V 033
2021-09-11 21:22:54 C 20 36 34.32 +73 56 20.4 V 033
2021-09-11 21:23:13 C 20 36 30.41 +73 56 48.2 V 033