IAA RAS IAA Minor Planet Database

2021 TH2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5204001897 ± 1.03e-05
Semi-major axis (a)2.3137240075 AU ± 5.43e-05
Inclination (i)6.25933925° ± 8.70e-05
Long. of Asc. Node (Ω)37.12819872° ± 4.33e-05
Arg. of Perihelion (ω)23.64941153° ± 6.07e-05
Mean Anomaly (M)49.40240046° ± 1.44e-02
Mean Motion (n)0.2800560421°/day ± 9.85e-06
Perihelion dist (q)1.10966160 AU ± 3.53e-05
Aphelion dist (Q)3.51778642 AU ± 8.59e-05
Orbital Period3.51938946 yr ± 1.24e-04
Physical Parameters
H (abs. magnitude)23.53
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.200″
Uncertainty2
Orbit TypeAmor
MOID0.126690 AU
Observations Used46
Oppositions1
Arc Total2021-2022
First Observation Used2021-09-28
Last Observation Used2022-01-07
Observations (46)
Date Type RA Dec Mag Band Observatory
2021-09-28 10:17:40 C 02 26 38.441 +02 10 10.14 – V F52
2021-09-28 10:28:37 C 02 26 39.375 +02 10 19.38 – V F52
2021-09-28 10:45:53 C 02 26 40.839 +02 10 34.12 – V F52
2021-09-28 10:52:15 C 02 26 41.363 +02 10 39.87 – V F52
2021-09-28 11:03:16 C 02 26 42.268 +02 10 48.92 – V F52
2021-09-28 11:09:42 C 02 26 42.808 +02 10 54.60 – V F52
2021-09-28 11:20:40 C 02 26 43.717 +02 11 04.16 – V F52
2021-10-03 13:14:07 C 02 38 18.892 +04 07 03.99 – U F51
2021-10-03 13:31:17 C 02 38 20.419 +04 07 21.98 – U F51
2021-10-03 14:05:30 C 02 38 23.551 +04 07 58.06 – U F51
2021-10-04 13:29:00 C 02 40 44.774 +04 33 17.12 – U F51
2021-10-04 13:37:13 C 02 40 45.527 +04 33 25.77 – U F51
2021-10-04 13:53:54 C 02 40 47.081 +04 33 44.48 – U F51
2021-10-05 13:44:05 C 02 43 13.519 +05 00 39.68 – V F51
2021-10-17 10:33:12 C 03 16 58.47 +12 03 32.7 – o 691
2021-10-17 10:43:37 C 03 16 59.77 +12 03 52.2 – o 691
2021-10-17 10:54:01 C 03 17 01.12 +12 04 11.2 – o 691
2021-10-27 11:54:09 C 03 54 55.49 +20 46 47.0 – V G96
2021-10-27 12:01:43 C 03 54 56.76 +20 47 05.0 – V G96
2021-10-27 12:09:17 C 03 54 58.04 +20 47 22.9 – V G96
2021-10-27 12:16:51 C 03 54 59.33 +20 47 41.4 – V G96
2021-10-27 12:37:28 C 03 55 02.87 +20 48 31.4 – V G96
2021-10-27 12:38:06 C 03 55 03.01 +20 48 32.4 – V G96
2021-10-28 13:01:17 C 03 59 31.049 +21 49 13.24 – U F52
2021-10-28 13:20:40 C 03 59 34.316 +21 50 00.90 – U F52
2021-10-28 13:40:04 C 03 59 37.628 +21 50 48.80 – U F52
2021-10-28 13:59:26 C 03 59 40.910 +21 51 36.40 – U F52
2021-11-05 08:09:04 C 04 37 29.33 +29 53 46.1 – V G96
2021-11-05 08:16:32 C 04 37 30.87 +29 54 05.6 – V G96
2021-11-05 08:23:57 C 04 37 32.39 +29 54 25.0 – V G96
2021-11-05 08:31:22 C 04 37 33.90 +29 54 44.4 – V G96
2021-11-12 07:43:26 C 05 16 34.06 +36 50 36.9 – V I52
2021-11-12 07:47:21 C 05 16 34.92 +36 50 46.5 – V I52
2021-11-12 08:04:12 C 05 16 38.73 +36 51 25.9 – V I52
2021-11-16 06:15:44 C 05 39 50.23 +40 14 09.3 – V G96
2021-11-16 06:22:38 C 05 39 51.83 +40 14 24.0 – V G96
2021-11-16 06:29:31 C 05 39 53.46 +40 14 38.3 – V G96
2021-11-16 06:36:23 C 05 39 55.07 +40 14 52.9 – V G96
2021-11-27 07:30:18 C 06 41 57.67 +46 49 55.0 – V G96
2021-11-27 07:37:42 C 06 41 59.05 +46 50 02.9 – V G96
2021-11-27 07:45:04 C 06 42 00.53 +46 50 10.8 – V G96
2021-11-27 07:52:26 C 06 42 01.93 +46 50 18.9 – V G96
2022-01-07 08:14:46 C 07 59 17.24 +47 35 50.8 – V V06
2022-01-07 08:18:05 C 07 59 17.20 +47 35 49.2 – V V06
2022-01-07 08:21:25 C 07 59 17.15 +47 35 47.9 – V V06
2022-01-07 08:24:45 C 07 59 17.08 +47 35 45.8 – V V06