IAA RAS IAA Minor Planet Database

2021 SU

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5791514000
Semi-major axis (a)2.3073225000 AU
Inclination (i)4.20818000°
Long. of Asc. Node (Ω)6.69666000°
Arg. of Perihelion (ω)312.79350000°
Mean Anomaly (M)77.08554000°
Mean Motion (n)0.2812170400°/day
Perihelion dist (q)0.97103340 AU
Aphelion dist (Q)3.64361160 AU
Orbital Period3.50479360 yr
Physical Parameters
H (abs. magnitude)24.79
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.880″
Uncertainty8
Orbit TypeApollo
MOID0.025008 AU
Observations Used54
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-10-07
Observations (61)
Date Type RA Dec Mag Band Observatory
2021-09-25 10:15:22 C 00 08 10.859 -04 46 56.51 – U F51
2021-09-25 10:32:40 C 00 08 14.627 -04 45 13.63 – U F51
2021-09-25 10:50:00 C 00 08 18.398 -04 43 30.69 – U F51
2021-09-25 11:07:19 C 00 08 22.168 -04 41 47.89 – U F51
2021-09-25 13:08:19 C 00 08 48.730 -04 29 54.34 – V F51
2021-09-25 13:09:14 C 00 08 48.946 -04 29 48.86 – V F51
2021-09-25 17:20:41 C 00 09 56.70 -04 06 21.2 – V N88
2021-09-25 17:21:08 C 00 09 56.80 -04 06 18.7 – V N88
2021-09-25 19:13:34 C 00 10 26.97 -03 55 49.2 – V 246
2021-09-25 19:15:26 C 00 10 27.41 -03 55 38.4 – V 246
2021-09-25 19:16:11 C 00 10 27.55 -03 55 34.3 – V 246
2021-09-25 19:20:15 C 00 10 28.42 -03 55 11.2 – V 246
2021-09-25 19:52:52 C 00 10 35.37 -03 52 10.6 – V G02
2021-09-25 20:01:45 C 00 10 37.31 -03 51 21.0 – V G02
2021-09-26 03:23:55 C 00 12 20.05 -03 10 51.9 – V 734
2021-09-26 03:35:41 C 00 12 22.47 -03 09 47.8 – V 734
2021-09-26 03:47:37 C 00 12 24.81 -03 08 45.6 – V 734
2021-09-26 05:01:45 C 00 12 38.90 -03 02 13.8 – u H21
2021-09-26 05:04:33 C 00 12 39.44 -03 01 59.0 – u H21
2021-09-26 05:07:21 C 00 12 39.99 -03 01 44.1 – u H21
2021-09-26 05:10:09 C 00 12 40.55 -03 01 29.5 – u H21
2021-09-26 05:12:57 C 00 12 41.09 -03 01 14.7 – u H21
2021-09-26 05:15:45 C 00 12 41.63 -03 00 59.9 – u H21
2021-09-26 09:45:36 C 00 13 40.932 -02 37 05.04 – U F51
2021-09-26 09:53:57 C 00 13 42.461 -02 36 22.44 – U F51
2021-09-26 10:25:14 C 00 13 48.208 -02 33 42.28 – U F51
2021-09-26 10:34:09 C 00 13 49.848 -02 32 56.61 – U F51
2021-09-26 17:43:58 C 00 15 21.95 -01 57 32.1 – V N51
2021-09-26 17:52:39 C 00 15 23.52 -01 56 48.9 – V N51
2021-09-26 19:16:55 C 00 15 43.31 -01 50 23.9 – V G02
2021-09-26 19:26:49 C 00 15 45.18 -01 49 36.4 – V G02
2021-09-26 19:36:56 C 00 15 47.09 -01 48 47.1 – V G02
2021-09-26 20:39:06 C 00 15 59.18 -01 43 38.5 – q C82
2021-09-26 20:44:31 C 00 16 00.31 -01 43 13.6 – q C82
2021-09-26 20:51:18 C 00 16 01.33 -01 42 38.8 – q C82
2021-09-26 21:27:40 C 00 16 08.93 -01 39 45.4 – V B37
2021-09-26 21:38:38 C 00 16 10.92 -01 38 55.2 – V B37
2021-09-26 21:55:39 C 00 16 13.89 -01 37 33.7 – V B37
2021-09-27 03:24:54 C 00 17 18.88 -01 11 44.3 – X W34
2021-09-27 03:35:47 C 00 17 20.73 -01 10 54.2 – X W34
2021-09-27 03:46:33 C 00 17 22.55 -01 10 05.1 – X W34
2021-09-27 05:37:05 C 00 17 41.42 -01 01 48.4 – u H21
2021-09-27 05:41:06 C 00 17 42.11 -01 01 30.1 – u H21
2021-09-27 05:45:16 C 00 17 42.80 -01 01 11.3 – u H21
2021-09-28 03:45:54 C 00 21 39.01 +00 34 16.3 – u 807
2021-09-28 03:50:15 C 00 21 39.65 +00 34 34.9 – u 807
2021-09-28 03:54:35 C 00 21 40.26 +00 34 52.2 – u 807
2021-09-29 16:34:29 C 00 27 08.56 +02 44 43.0 – V D29
2021-09-29 16:54:51 C 00 27 10.88 +02 45 49.0 – V D29
2021-09-29 17:15:13 C 00 27 13.23 +02 46 55.6 – V D29