IAA RAS IAA Minor Planet Database

2021 SE

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0639923000
Semi-major axis (a)1.0469238000 AU
Inclination (i)24.34219000°
Long. of Asc. Node (Ω)352.59870000°
Arg. of Perihelion (ω)293.26874000°
Mean Anomaly (M)25.53084000°
Mean Motion (n)0.9200924200°/day
Perihelion dist (q)0.97992870 AU
Aphelion dist (Q)1.11391890 AU
Orbital Period1.07120500 yr
Physical Parameters
H (abs. magnitude)26.12
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.770″
Uncertainty7
Orbit TypeApollo
MOID0.009419 AU
Observations Used37
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-09-17
Observations (46)
Date Type RA Dec Mag Band Observatory
2021-09-16 04:54:14 C 22 43 37.90 +14 32 07.0 – V G96
2021-09-16 05:02:24 C 22 43 14.04 +14 39 49.5 – V G96
2021-09-16 05:10:35 C 22 42 50.11 +14 47 34.9 – V G96
2021-09-16 05:18:46 C 22 42 26.30 +14 55 14.6 – V G96
2021-09-16 07:12:02 C 22 37 01.43 +16 38 21.0 – V G96
2021-09-16 07:12:12 C 22 37 00.94 +16 38 30.2 – V G96
2021-09-16 07:12:23 C 22 37 00.42 +16 38 39.9 – V G96
2021-09-16 07:12:33 C 22 36 59.94 +16 38 49.0 – V G96
2021-09-16 08:46:35 C 22 32 34.61 +17 58 16.5 – V 734
2021-09-16 08:47:42 C 22 32 36.23 +18 00 44.9 – V G96
2021-09-16 08:47:52 C 22 32 35.74 +18 00 53.8 – V G96
2021-09-16 08:48:03 C 22 32 35.25 +18 01 02.7 – V G96
2021-09-16 08:48:14 C 22 32 34.78 +18 01 11.8 – V G96
2021-09-16 08:48:25 C 22 32 29.69 +17 59 48.8 – V 734
2021-09-16 08:50:15 C 22 32 24.79 +18 01 20.5 – V 734
2021-09-16 08:52:05 C 22 32 19.90 +18 02 52.5 – V 734
2021-09-16 08:52:06 C 22 32 27.31 +18 03 07.7 18.0 r 718
2021-09-16 08:52:50 C 22 32 25.37 +18 03 45.2 17.8 r 718
2021-09-16 08:53:55 C 22 32 14.99 +18 04 24.2 – V 734
2021-09-16 08:54:17 C 22 32 21.41 +18 04 57.5 17.7 r 718
2021-09-16 08:55:45 C 22 32 17.47 +18 06 10.3 18.4 r 718
2021-09-16 08:56:28 C 22 32 15.55 +18 06 46.9 18.2 r 718
2021-09-16 08:57:55 C 22 32 11.49 +18 08 00.4 18.2 r 718
2021-09-16 09:08:12 C 22 31 43.98 +18 17 56.2 – U I41
2021-09-16 09:08:42 C 22 31 42.59 +18 18 21.6 – U I41
2021-09-16 09:09:33 C 22 31 40.38 +18 19 03.4 – U I41
2021-09-16 09:10:04 C 22 31 39.00 +18 19 28.4 – U I41
2021-09-16 10:05:17 C 22 29 11.94 +19 04 37.1 – U I41
2021-09-16 10:05:47 C 22 29 10.62 +19 05 01.6 – U I41
2021-09-16 19:21:33 C 22 08 21.93 +25 39 26.2 – X 958
2021-09-16 19:25:04 C 22 08 04.17 +25 41 36.1 – o K88
2021-09-16 19:29:11 C 22 07 54.72 +25 44 09.8 – o K88
2021-09-16 19:32:19 C 22 07 57.62 +25 46 07.8 – X 958
2021-09-16 19:33:17 C 22 07 45.52 +25 46 41.7 – o K88
2021-09-16 19:43:00 C 22 07 33.54 +25 52 45.0 – X 958
2021-09-16 20:27:05 C 22 05 52.33 +26 18 33.7 – V Z80
2021-09-16 20:33:44 C 22 05 37.58 +26 22 33.9 – V Z80
2021-09-16 20:40:25 C 22 05 22.73 +26 26 33.0 – V Z80
2021-09-16 20:48:55 C 22 05 04.34 +26 31 36.9 – V J95
2021-09-16 20:50:23 C 22 05 01.11 +26 32 29.1 – V J95
2021-09-16 20:51:55 C 22 04 57.74 +26 33 23.1 – V J95
2021-09-17 04:05:24 C 21 50 29.90 +30 23 58.3 – u H21
2021-09-17 04:06:57 C 21 50 26.84 +30 24 42.0 – u H21
2021-09-17 04:08:29 C 21 50 23.77 +30 25 25.4 – u H21
2021-09-17 04:10:02 C 21 50 20.69 +30 26 08.9 – u H21
2021-09-17 04:13:45 C 21 50 13.32 +30 27 53.1 – u H21