2021 SQ1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5526374344 ± 2.06e-04
Semi-major axis (a)1.9021357616 AU ± 7.75e-04
Inclination (i)4.61306298° ± 1.40e-03
Long. of Asc. Node (Ω)183.89043263° ± 3.12e-04
Arg. of Perihelion (ω)125.59351162° ± 1.53e-03
Mean Anomaly (M)223.90281168° ± 3.60e-01
Mean Motion (n)0.3757076258°/day ± 2.30e-04
Perihelion dist (q)0.85094433 AU ± 5.23e-04
Aphelion dist (Q)2.95332719 AU ± 1.27e-03
Orbital Period2.62338642 yr ± 1.60e-03
Physical Parameters
H (abs. magnitude)28.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.541″
Uncertainty3
Orbit TypeApollo
MOID0.000977 AU
Observations Used21
Oppositions1
Arc Total2021-2021
First Observation Used2021-09-28
Last Observation Used2021-09-29
Observations (22)
Date Type RA Dec Mag Band Observatory
2021-09-28 10:37:57 C 01 17 43.37 -06 28 06.6 V T05
2021-09-28 10:40:35 C 01 17 45.69 -06 27 35.2 V T05
2021-09-28 10:44:34 C 01 17 48.90 -06 26 54.0 V T05
2021-09-28 11:15:46 C 01 18 14.20 -06 21 19.5 V T05
2021-09-28 12:18:51 C 01 19 02.68 -06 10 42.0 V T05
2021-09-28 12:19:30 C 01 19 03.18 -06 10 33.3 V T05
2021-09-28 12:20:10 C 01 19 03.64 -06 10 27.1 V T05
2021-09-28 12:20:49 C 01 19 04.12 -06 10 22.1 V T05
2021-09-28 12:21:29 C 01 19 04.61 -06 10 14.4 V T05
2021-09-28 14:44:04 C 01 21 19.74 -05 32 06.2 V 474
2021-09-28 14:50:13 C 01 21 23.78 -05 31 18.9 V 474
2021-09-28 14:55:34 C 01 21 27.29 -05 30 39.4 V 474
2021-09-28 14:57:21 C 01 21 28.44 -05 30 25.6 V 474
2021-09-28 22:55:22 C 01 27 06.35 -05 01 33.6 V L01
2021-09-28 22:57:37 C 01 27 07.19 -05 01 22.2 V L01
2021-09-28 22:59:51 C 01 27 07.96 -05 01 11.3 V L01
2021-09-28 23:02:06 C 01 27 08.73 -05 00 59.9 V L01
2021-09-28 23:04:20 C 01 27 09.53 -05 00 49.4 V L01
2021-09-29 12:47:11 C 01 31 50.520 -04 07 35.19 U F51
2021-09-29 13:04:08 C 01 31 52.751 -04 06 50.52 U F51
2021-09-29 13:21:04 C 01 31 55.059 -04 06 05.42 U F51
2021-09-29 13:38:06 C 01 31 57.419 -04 05 21.29 U F51