2021 QA

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6223676329
Semi-major axis (a)2.7396010001 AU
Inclination (i)58.39981162°
Long. of Asc. Node (Ω)143.78162580°
Arg. of Perihelion (ω)227.22676707°
Mean Anomaly (M)328.44636381°
Mean Motion (n)0.2171855800°/day
Perihelion dist (q)1.03436630 AU
Aphelion dist (Q)4.44771390 AU
Orbital Period4.53808980 yr
Physical Parameters
H (abs. magnitude)20.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.317″
Uncertainty
Orbit TypeAmor
MOID0.154399 AU
Observations Used119
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-08-28
Observations (120)
Date Type RA Dec Mag Band Observatory
2021-08-17 23:39:15 C 20 36 48.83 -06 07 52.2 V L63
2021-08-18 00:26:09 C 20 36 41.45 -06 16 55.9 X Y00
2021-08-18 00:26:31 C 20 36 39.15 -06 17 48.1 V 204
2021-08-18 00:29:08 C 20 36 40.80 -06 17 33.7 X Y00
2021-08-18 00:32:08 C 20 36 40.18 -06 18 11.4 X Y00
2021-08-18 00:38:23 C 20 36 36.67 -06 20 17.8 V 204
2021-08-18 00:49:40 C 20 36 34.34 -06 22 40.1 V 204
2021-08-18 08:11:17 C 20 35 07.06 -07 56 18.6 V T08
2021-08-18 08:16:36 C 20 35 05.91 -07 57 27.0 V T08
2021-08-18 08:27:20 C 20 35 03.53 -07 59 46.2 V T08
2021-08-18 09:00:28 C 20 34 56.32 -08 06 53.5 V T08
2021-08-27 01:02:06 C 19 31 50.03 -53 28 54.4 u 807
2021-08-27 01:06:07 C 19 31 48.20 -53 29 35.5 u 807
2021-08-27 01:10:08 C 19 31 46.38 -53 30 16.5 u 807
2021-08-27 10:03:54 C 19 27 49.19 -54 59 08.3 V Q62
2021-08-27 11:03:09 C 19 27 21.18 -55 08 49.1 V Q62
2021-08-27 12:02:50 C 19 26 52.91 -55 18 28.1 V Q62
2021-08-28 03:19:01 C 19 19 41.06 -57 41 27.3 u 807
2021-08-28 03:21:15 C 19 19 39.94 -57 41 47.3 u 807
2021-08-28 03:23:34 C 19 19 38.75 -57 42 07.8 u 807