IAA RAS IAA Minor Planet Database

2021 TM

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5664548135 ± 1.87e-03
Semi-major axis (a)1.8706833384 AU ± 7.26e-03
Inclination (i)8.91005084° ± 2.41e-02
Long. of Asc. Node (Ω)11.49542760° ± 9.63e-03
Arg. of Perihelion (ω)62.79969974° ± 2.35e-02
Mean Anomaly (M)204.42050710° ± 3.21e+00
Mean Motion (n)0.3851994400°/day ± 2.24e-03
Perihelion dist (q)0.81102300 AU ± 4.70e-03
Aphelion dist (Q)2.93044720 AU ± 1.19e-02
Orbital Period2.55869450 yr ± 1.49e-02
Physical Parameters
H (abs. magnitude)27.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.357″
Uncertainty2
Orbit TypeApollo
MOID0.002747 AU
Observations Used43
Oppositions1
Arc Total2021-2021
First Observation Used—
Last Observation Used2021-10-05
Observations (43)
Date Type RA Dec Mag Band Observatory
2021-10-02 08:33:48 C 00 41 50.723 -11 54 00.71 – U F52
2021-10-02 08:50:15 C 00 41 52.119 -11 52 20.04 – V F52
2021-10-02 09:06:39 C 00 41 53.499 -11 50 38.21 – U F52
2021-10-02 12:12:16 C 00 42 09.010 -11 30 17.19 – V F51
2021-10-02 12:13:12 C 00 42 09.102 -11 30 10.94 – V F51
2021-10-02 23:47:06 C 00 44 38.16 -09 59 55.3 – V 104
2021-10-02 23:55:30 C 00 44 39.49 -09 58 37.7 – V 104
2021-10-03 00:03:45 C 00 44 40.79 -09 57 19.3 – V 104
2021-10-03 20:04:34 C 00 51 40.64 -05 33 17.5 – V 246
2021-10-03 20:04:55 C 00 51 40.88 -05 33 10.8 – V 246
2021-10-03 20:05:06 C 00 51 40.95 -05 33 08.0 – V 246
2021-10-03 20:05:17 C 00 51 41.00 -05 33 04.2 – V 246
2021-10-03 20:05:38 C 00 51 41.18 -05 32 57.3 – V 246
2021-10-03 20:08:10 C 00 51 42.22 -05 32 11.5 – V 246
2021-10-03 20:08:29 C 00 51 42.31 -05 32 05.6 – V 246
2021-10-03 20:08:49 C 00 51 42.44 -05 31 59.7 – V 246
2021-10-03 20:09:08 C 00 51 42.55 -05 31 52.9 – V 246
2021-10-03 20:09:28 C 00 51 42.69 -05 31 47.3 – V 246
2021-10-03 20:09:47 C 00 51 42.81 -05 31 41.0 – V 246
2021-10-03 20:10:07 C 00 51 42.90 -05 31 35.4 – V 246
2021-10-04 22:05:31 C 01 16 04.37 +10 43 51.8 – V B49
2021-10-04 22:05:47 C 01 16 04.80 +10 44 10.1 – V B49
2021-10-04 22:08:44 C 01 16 09.89 +10 47 49.2 – V B49
2021-10-05 15:02:10 C 02 40 07.476 +49 56 58.74 – V T12
2021-10-05 15:02:34 C 02 40 12.469 +49 58 18.60 – V T12
2021-10-05 15:04:30 C 02 40 37.236 +50 04 52.95 – V T12
2021-10-05 15:05:28 C 02 40 49.576 +50 08 08.60 – V T12
2021-10-05 15:07:33 C 02 41 16.583 +50 15 14.86 – V T12
2021-10-05 15:08:19 C 02 41 26.502 +50 17 50.68 – V T12
2021-10-05 15:10:11 C 02 41 50.664 +50 24 08.81 – V T12
2021-10-05 15:10:53 C 02 41 59.939 +50 26 33.27 – V T12
2021-10-05 15:11:27 C 02 42 07.290 +50 28 27.53 – V T12
2021-10-05 15:12:43 C 02 42 23.873 +50 32 44.75 – V T12
2021-10-05 15:13:05 C 02 42 28.675 +50 33 58.94 – V T12
2021-10-05 15:13:42 C 02 42 36.828 +50 36 04.93 – V T12
2021-10-05 20:13:17 C 04 41 21.98 +65 32 01.6 – V J95
2021-10-05 20:17:12 C 04 43 38.94 +65 41 02.4 – V J95
2021-10-05 20:21:03 C 04 45 55.13 +65 49 47.1 – V J95
2021-10-05 20:24:56 C 04 48 13.53 +65 58 26.6 – V J95
2021-10-05 23:05:22 C 06 38 14.30 +69 34 28.0 – V J95
2021-10-05 23:08:58 C 06 40 51.60 +69 35 52.7 – V J95
2021-10-05 23:12:29 C 06 43 24.73 +69 37 06.9 – V J95
2021-10-05 23:15:48 C 06 45 49.11 +69 38 08.3 – V J95