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
2021-11-12 07:35:21 C 03 35 52.26 -08 44 11.5 V I52
2021-11-12 07:37:52 C 03 35 52.02 -08 44 06.2 V I52
2021-11-15 07:49:03 C 03 28 59.03 -06 02 14.0 u 807
2021-11-15 07:57:02 C 03 28 58.27 -06 01 56.1 u 807
2021-11-15 08:05:00 C 03 28 57.50 -06 01 38.3 u 807
2021-11-23 10:26:54 C 03 12 28.621 +00 57 40.66 U F51
2021-11-23 10:43:19 C 03 12 27.312 +00 58 14.42 U F51
2021-11-23 10:59:42 C 03 12 26.001 +00 58 48.26 U F51
2021-11-23 11:16:01 C 03 12 24.701 +00 59 21.62 U F51
2021-11-26 07:08:27 C 03 07 31.211 +03 16 02.56 U F52
2021-11-26 07:26:00 C 03 07 29.941 +03 16 37.09 U F52
2021-11-26 07:43:39 C 03 07 28.661 +03 17 11.86 U F52
2021-11-26 08:01:15 C 03 07 27.383 +03 17 46.42 U F52
2021-12-01 06:44:43 C 03 00 03.89 +07 00 27.9 V 703
2021-12-01 06:52:16 C 03 00 03.52 +07 00 41.0 V 703
2021-12-01 06:59:49 C 03 00 03.02 +07 00 55.5 V 703
2021-12-01 07:07:21 C 03 00 02.70 +07 01 08.1 V 703
2021-12-02 04:38:31 C 02 58 52.87 +07 39 08.8 V G96
2021-12-02 04:46:40 C 02 58 52.41 +07 39 23.0 V G96
2021-12-02 04:54:49 C 02 58 51.95 +07 39 37.3 V G96
2021-12-02 05:02:58 C 02 58 51.49 +07 39 51.6 V G96
2022-01-04 00:37:48 C 02 48 33.30 +23 31 38.0 u H21
2022-01-04 00:43:50 C 02 48 33.39 +23 31 42.5 u H21
2022-01-05 03:16:07 C 02 49 06.94 +23 52 37.6 V G96
2022-01-05 03:24:24 C 02 49 07.12 +23 52 43.4 V G96
2022-01-05 03:32:41 C 02 49 07.27 +23 52 50.4 V G96
2022-01-05 03:40:57 C 02 49 07.47 +23 52 56.9 V G96
2025-12-07 05:25:05 C 23 36 50.738 -28 41 05.27 V F51
2025-12-07 05:37:13 C 23 36 52.173 -28 40 38.69 V F51
2025-12-09 02:38:03 C 23 42 16.758 -27 01 02.21 V I52
2025-12-09 02:50:17 C 23 42 18.220 -27 00 35.96 V I52
2025-12-09 03:02:31 C 23 42 19.634 -27 00 08.39 V I52
2025-12-09 03:14:46 C 23 42 21.067 -26 59 41.89 V I52
2025-12-11 02:03:47 C 23 47 50.820 -25 16 45.00 V 691
2025-12-11 02:20:35 C 23 47 52.740 -25 16 08.00 V 691
2025-12-11 02:37:21 C 23 47 54.680 -25 15 31.40 V 691
2025-12-12 02:58:38 C 23 50 42.880 -24 22 19.50 V 291
2025-12-12 03:11:33 C 23 50 44.430 -24 21 50.30 V 291
2025-12-12 03:24:29 C 23 50 45.910 -24 21 22.00 V 291