IAA RAS IAA Minor Planet Database

2021 SZ1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5805047000
Semi-major axis (a)1.9334326000 AU
Inclination (i)3.43492000°
Long. of Asc. Node (Ω)184.94193000°
Arg. of Perihelion (ω)246.34937000°
Mean Anomaly (M)178.13169000°
Mean Motion (n)0.3666152500°/day
Perihelion dist (q)0.81106590 AU
Aphelion dist (Q)3.05579930 AU
Orbital Period2.68839800 yr
Physical Parameters
H (abs. magnitude)26.52
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.820″
Uncertainty7
Orbit TypeApollo
MOID0.005252 AU
Observations Used53
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-10-02
Observations (53)
Date Type RA Dec Mag Band Observatory
2021-09-29 08:53:47 C 23 52 37.82 -02 27 13.2 – V T05
2021-09-29 09:02:21 C 23 52 39.84 -02 27 53.6 – V T05
2021-09-29 09:09:36 C 23 52 41.52 -02 28 28.7 – V T05
2021-09-29 09:12:56 C 23 52 42.27 -02 28 44.2 – V T05
2021-09-29 20:39:33 C 23 56 44.50 -03 31 55.3 – V L01
2021-09-29 20:42:03 C 23 56 45.31 -03 32 10.6 – V L01
2021-09-29 20:44:32 C 23 56 46.18 -03 32 25.6 – V L01
2021-09-29 20:47:01 C 23 56 47.02 -03 32 40.9 – V L01
2021-09-29 20:49:30 C 23 56 47.78 -03 32 56.0 – V L01
2021-09-29 20:53:21 C 23 56 49.09 -03 33 19.9 – V L01
2021-09-29 22:04:41 C 23 57 14.09 -03 40 39.3 – V 104
2021-09-29 22:12:01 C 23 57 16.59 -03 41 25.4 – V 104
2021-09-29 22:19:34 C 23 57 19.17 -03 42 13.4 – V 104
2021-09-29 22:24:12 C 23 57 21.22 -03 42 49.7 – V L06
2021-09-29 22:25:52 C 23 57 21.78 -03 43 00.6 – V L06
2021-09-29 22:27:10 C 23 57 21.77 -03 43 01.7 – V 104
2021-09-29 22:27:32 C 23 57 22.34 -03 43 11.5 – V L06
2021-09-29 22:35:32 C 23 57 25.16 -03 44 01.3 – V 204
2021-09-29 22:43:48 C 23 57 28.00 -03 44 52.8 – V 203
2021-09-29 22:48:05 C 23 57 29.53 -03 45 21.1 – V 204
2021-09-29 22:48:46 C 23 57 31.78 -03 45 51.5 – V Z99
2021-09-29 22:54:59 C 23 57 33.99 -03 46 31.7 – V Z99
2021-09-29 23:00:34 C 23 57 33.89 -03 46 41.7 – V 204
2021-09-29 23:01:14 C 23 57 36.23 -03 47 11.9 – V Z99
2021-09-29 23:01:48 C 23 57 34.26 -03 46 48.5 – V 203
2021-09-29 23:19:51 C 23 57 40.60 -03 48 45.1 – V 203
2021-09-30 00:31:19 C 23 58 06.57 -03 56 48.0 – V K74
2021-09-30 00:33:20 C 23 58 07.30 -03 57 01.3 – V K74
2021-09-30 00:38:28 C 23 58 09.25 -03 57 35.5 – V K74
2021-09-30 00:42:57 C 23 58 10.92 -03 58 05.4 – V K74
2021-09-30 00:49:52 C 23 58 13.54 -03 58 51.9 – V K74
2021-09-30 07:51:04 C 00 01 52.104 -04 47 59.16 – U F52
2021-09-30 08:06:39 C 00 01 58.915 -04 50 04.87 – U F52
2021-09-30 08:22:17 C 00 02 05.730 -04 52 11.48 – U F52
2021-10-01 10:23:49 C 00 22 49.17 -10 08 23.8 – V T08
2021-10-01 10:29:07 C 00 22 54.90 -10 10 00.7 – V T08
2021-10-01 10:37:45 C 00 23 04.24 -10 12 37.9 – V T08
2021-10-01 11:28:58 C 00 24 01.01 -10 28 25.2 – V T08
2021-10-01 20:27:47 C 00 38 38.53 -13 55 12.4 – V G15
2021-10-01 20:33:24 C 00 38 48.65 -13 57 43.4 – V G15
2021-10-01 20:39:54 C 00 39 00.50 -14 00 44.1 – V G15
2021-10-01 21:08:37 C 00 39 55.42 -14 14 37.8 – V J95
2021-10-01 21:13:12 C 00 40 04.17 -14 16 47.7 – V J95
2021-10-01 21:16:44 C 00 40 07.94 -14 17 57.6 – V 104
2021-10-01 21:18:16 C 00 40 13.72 -14 19 11.4 – V J95
2021-10-01 21:22:48 C 00 40 22.38 -14 21 21.2 – V J95
2021-10-01 21:25:00 C 00 40 23.45 -14 21 53.1 – V 104
2021-10-01 21:31:38 C 00 40 35.91 -14 25 02.9 – V 104
2021-10-01 21:37:42 C 00 40 47.38 -14 27 57.8 – V 104
2021-10-02 10:23:40 C 01 18 17.00 -22 40 10.5 – V T05