IAA RAS IAA Minor Planet Database

2021 TC

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5429104000
Semi-major axis (a)1.8311632000 AU
Inclination (i)36.27512000°
Long. of Asc. Node (Ω)4.49070000°
Arg. of Perihelion (ω)297.53017000°
Mean Anomaly (M)260.18578000°
Mean Motion (n)0.3977530300°/day
Perihelion dist (q)0.83700570 AU
Aphelion dist (Q)2.82532070 AU
Orbital Period2.47793880 yr
Physical Parameters
H (abs. magnitude)24.13
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.880″
Uncertainty8
Orbit TypeApollo
MOID0.023564 AU
Observations Used44
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-10-09
Observations (44)
Date Type RA Dec Mag Band Observatory
2021-10-01 05:21:14 C 22 01 38.153 +15 01 39.91 – U F52
2021-10-01 05:38:33 C 22 01 35.103 +15 06 22.89 – U F52
2021-10-01 05:56:00 C 22 01 32.014 +15 11 06.81 – U F52
2021-10-01 06:13:14 C 22 01 28.956 +15 15 45.78 – U F52
2021-10-01 18:47:50 C 21 59 51.47 +18 17 47.2 – V L01
2021-10-01 18:50:05 C 21 59 51.13 +18 18 17.9 – V L01
2021-10-01 18:52:20 C 21 59 50.84 +18 18 46.5 – V L01
2021-10-01 18:54:46 C 21 59 50.51 +18 19 18.3 – V L01
2021-10-01 18:56:49 C 21 59 50.14 +18 19 45.6 – V L01
2021-10-01 19:09:33 C 21 59 48.36 +18 22 31.8 – X 595
2021-10-01 19:21:07 C 21 59 46.70 +18 25 02.7 – X 595
2021-10-01 19:21:27 C 21 59 47.03 +18 25 10.7 – V 104
2021-10-01 19:27:01 C 21 59 46.24 +18 26 23.5 – V 104
2021-10-01 19:30:56 C 21 59 45.82 +18 27 13.1 – V G15
2021-10-01 19:32:34 C 21 59 45.47 +18 27 36.1 – V 104
2021-10-01 19:32:50 C 21 59 45.02 +18 27 36.8 – X 595
2021-10-01 19:38:07 C 21 59 44.64 +18 28 48.9 – V 104
2021-10-01 19:49:19 C 21 59 43.23 +18 31 12.6 – V G15
2021-10-01 20:38:47 C 21 59 37.20 +18 41 36.7 – V J95
2021-10-01 20:46:27 C 21 59 36.12 +18 43 15.1 – V J95
2021-10-01 20:54:34 C 21 59 35.02 +18 44 58.1 – V J95
2021-10-01 21:34:48 C 21 59 29.39 +18 53 24.5 – V Z99
2021-10-01 21:40:20 C 21 59 28.65 +18 54 34.5 – V Z99
2021-10-01 21:45:54 C 21 59 27.87 +18 55 44.6 – V Z99
2021-10-01 22:38:10 C 21 59 18.96 +19 06 56.9 – Z L74
2021-10-01 22:47:37 C 21 59 17.70 +19 08 52.4 – Z L74
2021-10-02 01:58:29 C 21 59 05.31 +19 47 33.2 – X 858
2021-10-02 02:03:49 C 21 59 04.56 +19 48 36.3 – X 858
2021-10-02 02:08:55 C 21 59 03.93 +19 49 37.0 – X 858
2021-10-02 03:57:46 C 21 58 50.84 +20 10 46.9 – V 654
2021-10-02 05:11:00 C 21 58 41.12 +20 24 40.8 – V 654
2021-10-02 05:50:44 C 21 58 35.91 +20 32 05.5 – V 654
2021-10-02 05:51:36 C 21 58 35.01 +20 32 19.1 – V V00
2021-10-02 05:59:23 C 21 58 34.00 +20 33 46.0 – V V00
2021-10-02 06:07:14 C 21 58 32.98 +20 35 12.8 – V V00
2021-10-02 06:15:00 C 21 58 31.98 +20 36 38.4 – V V00
2021-10-03 02:01:32 C 21 56 54.42 +23 48 11.9 – X 858
2021-10-03 02:10:27 C 21 56 53.53 +23 49 28.2 – X 858
2021-10-03 02:19:22 C 21 56 52.64 +23 50 44.5 – X 858
2021-10-03 03:21:04 C 21 56 47.57 +23 59 23.3 – V 654
2021-10-03 03:49:59 C 21 56 44.65 +24 03 24.7 – V 654
2021-10-03 04:20:54 C 21 56 41.51 +24 07 40.6 – V 654
2021-10-09 00:56:48 C 21 51 53.07 +34 04 14.1 – u H21
2021-10-09 01:14:06 C 21 51 52.66 +34 04 50.8 – u H21