2021 SQ2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5193336037 ± 1.47e-07
Semi-major axis (a)2.5769601719 AU ± 2.62e-08
Inclination (i)28.07195078° ± 1.92e-05
Long. of Asc. Node (Ω)66.84750725° ± 1.36e-05
Arg. of Perihelion (ω)285.63669585° ± 5.71e-05
Mean Anomaly (M)6.71654459° ± 1.31e-05
Mean Motion (n)0.2382597691°/day ± 3.64e-09
Perihelion dist (q)1.23865816 AU ± 3.79e-07
Aphelion dist (Q)3.91526218 AU ± 3.81e-07
Orbital Period4.13677176 yr ± 6.31e-08
Physical Parameters
H (abs. magnitude)19.59
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.211″
Uncertainty0
Orbit TypeAmor
MOID0.468305 AU
Observations Used84
Oppositions3
Arc Total2021-2025
First Observation Used2021-09-25
Last Observation Used2025-12-12
Observations (89)
Date Type RA Dec Mag Band Observatory
2021-09-25 06:49:00 C 04 57 23.66 -38 01 57.3 W84
2021-09-25 06:54:58 C 04 57 23.59 -38 01 52.7 W84
2021-09-25 06:57:58 C 04 57 23.55 -38 01 50.4 W84
2021-09-25 07:00:58 C 04 57 23.51 -38 01 48.1 W84
2021-09-25 07:06:57 C 04 57 23.43 -38 01 43.3 W84
2021-09-25 07:09:56 C 04 57 23.39 -38 01 41.1 W84
2021-09-25 07:12:55 C 04 57 23.35 -38 01 38.8 W84
2021-09-27 06:14:08 C 04 56 49.59 -37 23 19.5 u 807
2021-09-27 06:21:55 C 04 56 49.44 -37 23 12.5 u 807
2021-09-27 06:29:44 C 04 56 49.34 -37 23 06.8 u 807
2021-09-27 14:41:07 C 04 56 41.54 -37 16 13.9 V 474
2021-09-27 14:46:11 C 04 56 41.45 -37 16 09.5 V 474
2021-09-27 14:51:15 C 04 56 41.33 -37 16 05.2 V 474
2021-09-30 16:51:51 C 04 55 08.73 -36 11 59.8 V 474
2021-09-30 16:56:55 C 04 55 08.58 -36 11 55.1 V 474
2021-09-30 17:01:59 C 04 55 08.43 -36 11 50.6 V 474
2021-10-15 07:01:06 C 04 38 26.35 -29 48 17.8 u 807
2021-10-15 07:08:59 C 04 38 25.75 -29 48 07.4 u 807
2021-10-15 07:16:48 C 04 38 25.16 -29 47 57.2 u 807
2021-10-16 06:26:15 C 04 36 47.49 -29 16 28.0 u 807
2021-10-16 06:34:11 C 04 36 46.87 -29 16 17.0 u 807
2021-10-16 06:42:03 C 04 36 46.26 -29 16 06.3 u 807
2021-10-22 11:26:34 C 04 24 56.733 -25 32 10.53 U F52
2021-10-22 11:43:04 C 04 24 55.241 -25 31 44.08 U F52
2021-10-22 11:59:32 C 04 24 53.759 -25 31 17.37 U F52
2021-10-24 04:59:28 C 04 21 16.42 -24 22 18.5 u 807
2021-10-24 05:03:47 C 04 21 15.99 -24 22 11.9 u 807
2021-10-24 05:07:24 C 04 21 15.68 -24 22 05.5 u 807
2021-10-26 05:44:32 C 04 16 47.04 -22 56 42.5 u 807
2021-10-26 05:48:30 C 04 16 46.67 -22 56 35.5 u 807
2021-10-26 05:52:27 C 04 16 46.28 -22 56 28.6 u 807
2021-10-28 11:59:05 C 04 11 36.105 -21 16 49.85 U F51
2021-10-28 12:29:23 C 04 11 32.999 -21 15 52.59 U F51
2021-10-28 12:44:26 C 04 11 31.454 -21 15 23.97 U F51
2021-10-30 08:51:40 C 04 07 11.60 -19 50 19.0 V G96
2021-10-30 08:59:16 C 04 07 10.81 -19 50 04.1 V G96
2021-10-30 09:08:10 C 04 07 09.89 -19 49 46.7 V G96
2021-10-30 09:16:56 C 04 07 08.97 -19 49 29.5 V G96
2021-10-31 10:23:46 C 04 04 39.184 -18 59 35.88 U F52
2021-10-31 10:53:08 C 04 04 36.098 -18 58 37.31 U F52
2021-10-31 11:07:44 C 04 04 34.554 -18 58 08.05 U F52
2021-11-11 06:45:35 C 03 38 18.40 -09 39 50.7 V 703
2021-11-11 06:53:22 C 03 38 17.52 -09 39 33.7 V 703
2021-11-11 07:01:08 C 03 38 16.78 -09 39 15.1 V 703
2021-11-11 07:08:54 C 03 38 16.03 -09 38 57.9 V 703
2021-11-11 10:10:06 C 03 37 58.162 -09 32 09.37 U F51
2021-11-11 10:28:39 C 03 37 56.246 -09 31 27.85 U F51
2021-11-11 10:47:15 C 03 37 54.323 -09 30 46.18 U F51
2021-11-12 07:30:56 C 03 35 52.72 -08 44 21.8 V I52
2021-11-12 07:33:20 C 03 35 52.42 -08 44 15.6 V I52