2021 SX3

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6970084141 ± 1.99e-06
Semi-major axis (a)2.3785954228 AU ± 1.27e-05
Inclination (i)4.75936932° ± 1.79e-05
Long. of Asc. Node (Ω)178.01833952° ± 6.55e-05
Arg. of Perihelion (ω)290.62328476° ± 7.37e-05
Mean Anomaly (M)20.05738619° ± 3.32e-03
Mean Motion (n)0.2686775676°/day ± 2.15e-06
Perihelion dist (q)0.72069440 AU ± 6.10e-06
Aphelion dist (Q)4.03649645 AU ± 2.20e-05
Orbital Period3.66843534 yr ± 2.93e-05
Physical Parameters
H (abs. magnitude)21.57
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.194″
Uncertainty1
Orbit TypeApollo
MOID0.002186 AU
Observations Used40
Oppositions1
Arc Total2021-2022
First Observation Used2021-09-30
Last Observation Used2022-04-23
Observations (42)
Date Type RA Dec Mag Band Observatory
2021-09-30 07:58:26 C 23 17 53.350 -05 01 02.37 U F52
2021-09-30 08:14:02 C 23 17 51.907 -05 01 15.62 U F52
2021-09-30 08:29:35 C 23 17 50.446 -05 01 28.60 U F52
2021-10-02 02:10:41 C 23 14 03.48 -05 36 39.3 V 807
2021-10-02 02:16:01 C 23 14 02.97 -05 36 44.0 V 807
2021-10-02 02:21:20 C 23 14 02.45 -05 36 48.6 V 807
2021-10-02 11:02:02 C 23 13 13.954 -05 44 28.74 U F51
2021-10-02 11:14:56 C 23 13 12.730 -05 44 39.76 U F51
2021-10-02 11:27:37 C 23 13 11.503 -05 44 50.63 U F51
2021-10-02 11:40:14 C 23 13 10.304 -05 45 01.58 U F51
2021-10-03 07:46:18 C 23 11 19.13 -06 02 27.4 o 691
2021-10-03 08:11:58 C 23 11 16.65 -06 02 49.2 o 691
2021-10-03 08:37:39 C 23 11 14.19 -06 03 11.1 o 691
2021-10-07 10:30:53 C 23 02 02.742 -07 29 27.93 V T12
2021-10-07 10:32:11 C 23 02 02.612 -07 29 29.10 V T12
2021-10-07 10:33:35 C 23 02 02.476 -07 29 30.25 V T12
2021-10-09 06:03:30 C 22 57 55.24 -08 08 26.0 o 291
2021-10-09 06:12:36 C 22 57 54.35 -08 08 34.4 o 291
2021-10-09 06:21:42 C 22 57 53.42 -08 08 42.2 o 291
2021-10-09 08:23:14 C 22 57 42.093 -08 10 28.78 V T12
2021-10-09 08:28:52 C 22 57 41.533 -08 10 33.80 V T12
2021-10-11 04:21:59 C 22 53 32.09 -08 49 55.9 V 291
2021-10-11 04:34:56 C 22 53 30.82 -08 50 07.6 V 291
2021-10-11 04:47:55 C 22 53 29.54 -08 50 19.1 V 291
2021-10-27 01:49:03 C 22 19 59.29 -14 14 44.2 V V06
2021-10-27 02:02:47 C 22 19 58.19 -14 14 55.1 V V06
2021-11-30 01:39:20 C 21 34 32.25 -23 29 24.4 o 291
2021-11-30 01:49:18 C 21 34 31.59 -23 29 31.8 V V06
2021-11-30 02:00:42 C 21 34 30.83 -23 29 40.2 V V06
2021-11-30 02:14:21 C 21 34 29.97 -23 29 50.3 o 291
2021-11-30 02:17:48 C 21 34 29.74 -23 29 52.9 V V06
2022-03-12 08:27:40 C 16 42 59.36 -18 33 39.8 V 807
2022-03-12 08:47:38 C 16 42 58.78 -18 33 31.9 V 807
2022-03-12 09:07:36 C 16 42 58.22 -18 33 24.7 V 807
2022-03-30 11:14:53 C 16 22 53.44 -15 34 29.3 o 291
2022-03-30 11:33:37 C 16 22 52.16 -15 34 19.6 o 291
2022-03-30 11:52:17 C 16 22 50.79 -15 34 11.6 o 291
2022-04-04 10:51:35 C 16 14 15.94 -14 40 35.8 o 291
2022-04-04 11:16:14 C 16 14 13.90 -14 40 24.3 o 291
2022-04-04 11:40:52 C 16 14 11.91 -14 40 12.6 o 291
2022-04-23 09:24:29 C 15 34 31.63 -11 14 15.9 V 291
2022-04-23 09:51:41 C 15 34 29.09 -11 14 02.7 V 291