IAA RAS IAA Minor Planet Database

2021 QB3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3287721016 ± 3.72e-06
Semi-major axis (a)1.4882634247 AU ± 8.07e-06
Inclination (i)6.58258253° ± 5.55e-05
Long. of Asc. Node (Ω)161.13868249° ± 1.77e-06
Arg. of Perihelion (ω)159.85765794° ± 4.09e-05
Mean Anomaly (M)125.46021031° ± 6.87e-03
Mean Motion (n)0.5428659008°/day ± 4.42e-06
Perihelion dist (q)0.99896393 AU ± 7.75e-06
Aphelion dist (Q)1.97756292 AU ± 1.21e-05
Orbital Period1.81559807 yr ± 1.48e-05
Physical Parameters
H (abs. magnitude)23.76
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.327″
Uncertainty1
Orbit TypeApollo
MOID0.002927 AU
Observations Used305
Oppositions1
Arc Total2021-2021
First Observation Used2021-08-31
Last Observation Used2021-10-29
Observations (327)
Date Type RA Dec Mag Band Observatory
2021-08-31 07:26:50 C 16 24 23.90 +22 24 40.0 – V T08
2021-08-31 07:32:09 C 16 24 30.44 +22 24 29.4 – V T08
2021-08-31 07:58:43 C 16 25 03.71 +22 23 33.1 – V T08
2021-08-31 20:33:14 C 16 46 10.29 +21 55 00.0 – V 595
2021-08-31 20:34:17 C 16 46 12.23 +21 54 56.5 – V 595
2021-08-31 20:35:21 C 16 46 14.19 +21 54 52.7 – V 595
2021-08-31 20:41:58 C 16 46 26.44 +21 54 29.2 – V 595
2021-08-31 20:43:02 C 16 46 28.40 +21 54 25.6 – V 595
2021-08-31 21:05:42 C 16 47 13.03 +21 53 20.7 – V 204
2021-08-31 21:08:32 C 16 47 18.34 +21 53 10.4 – V 204
2021-08-31 21:11:21 C 16 47 23.68 +21 53 00.1 – V 204
2021-08-31 21:14:51 C 16 47 30.28 +21 52 47.5 – V 204
2021-08-31 21:17:02 C 16 47 34.42 +21 52 39.5 – V 204
2021-08-31 21:19:19 C 16 47 42.47 +21 53 33.7 – X 958
2021-08-31 21:27:06 C 16 47 57.05 +21 53 05.6 – X 958
2021-08-31 21:27:17 C 16 47 56.69 +21 50 46.9 – V 033
2021-08-31 21:27:41 C 16 47 57.49 +21 50 45.3 – V 033
2021-08-31 21:28:06 C 16 47 58.29 +21 50 44.0 – V 033
2021-08-31 21:28:40 C 16 47 59.39 +21 50 41.6 – V 033
2021-08-31 21:33:57 C 16 48 04.97 +21 51 17.7 – V 595
2021-08-31 21:34:53 C 16 48 11.77 +21 52 36.5 – X 958
2021-08-31 21:35:01 C 16 48 07.01 +21 51 13.7 – V 595
2021-08-31 21:36:26 C 16 48 14.37 +21 50 40.6 – V A17
2021-08-31 21:38:40 C 16 48 13.72 +21 51 33.4 – V 104
2021-08-31 21:39:55 C 16 48 21.11 +21 50 27.4 – V A17
2021-08-31 21:42:46 C 16 48 21.36 +21 51 19.9 – V L39
2021-08-31 21:43:29 C 16 48 23.02 +21 51 14.8 – V 104
2021-08-31 21:43:48 C 16 48 23.37 +21 51 15.8 – V L39
2021-08-31 21:43:55 C 16 48 28.88 +21 50 12.4 – V A17
2021-08-31 21:43:59 C 16 48 24.50 +21 50 38.6 – V 595
2021-08-31 21:44:50 C 16 48 25.41 +21 51 11.9 – V L39
2021-08-31 21:47:23 C 16 48 35.65 +21 49 59.0 – V A17
2021-08-31 21:52:53 C 16 48 41.39 +21 50 38.0 – V 104
2021-08-31 22:24:25 C 16 50 11.25 +22 08 10.2 – X Y00
2021-08-31 22:24:54 C 16 49 46.05 +21 48 27.6 – V G15
2021-08-31 22:26:22 C 16 49 49.02 +21 48 21.9 – V G15
2021-08-31 22:27:07 C 16 50 16.19 +22 08 01.4 – X Y00
2021-08-31 22:27:50 C 16 49 51.97 +21 48 15.6 – V G15
2021-08-31 22:29:50 C 16 50 21.14 +22 07 52.6 – X Y00
2021-09-01 17:51:14 C 17 46 16.58 +20 19 02.0 – V L81
2021-09-01 17:54:29 C 17 46 27.95 +20 18 29.6 – V L81
2021-09-01 17:57:32 C 17 46 38.68 +20 17 58.5 – V L81
2021-09-01 18:00:41 C 17 46 49.80 +20 17 26.2 – V L81
2021-09-01 18:03:46 C 17 47 00.69 +20 16 54.5 – V L81
2021-09-01 18:15:49 C 17 47 47.05 +19 52 48.8 – Z L34
2021-09-01 18:35:21 C 17 48 57.86 +19 48 13.8 – V C82
2021-09-01 18:36:02 C 17 49 00.42 +19 48 05.6 – q C82
2021-09-01 18:36:20 C 17 49 01.51 +19 48 02.0 – V C82
2021-09-01 18:38:17 C 17 49 08.60 +19 47 40.6 – q C82
2021-09-01 18:38:19 C 17 49 08.71 +19 47 40.1 – V C82