IAA RAS IAA Minor Planet Database

2021 TK

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3028685000
Semi-major axis (a)1.3794496000 AU
Inclination (i)10.95532000°
Long. of Asc. Node (Ω)7.51061000°
Arg. of Perihelion (ω)41.98453000°
Mean Anomaly (M)177.33019000°
Mean Motion (n)0.6083385300°/day
Perihelion dist (q)0.96165780 AU
Aphelion dist (Q)1.79724140 AU
Orbital Period1.62016320 yr
Physical Parameters
H (abs. magnitude)26.00
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.360″
Uncertainty6
Orbit TypeApollo
MOID0.015617 AU
Observations Used52
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-10-07
Observations (53)
Date Type RA Dec Mag Band Observatory
2021-10-02 18:59:30 C 22 54 08.62 +10 49 24.4 – o K88
2021-10-02 19:04:06 C 22 54 05.08 +10 51 46.9 – o K88
2021-10-02 19:59:17 C 22 53 22.39 +11 20 11.3 – o K88
2021-10-02 20:01:25 C 22 53 20.74 +11 21 17.5 – o K88
2021-10-02 20:04:57 C 22 53 17.94 +11 23 07.4 – o K88
2021-10-03 04:19:44 C 22 47 23.33 +15 47 44.3 – V 703
2021-10-03 04:27:18 C 22 47 16.68 +15 51 53.7 – V 703
2021-10-03 04:34:52 C 22 47 10.01 +15 56 02.6 – V 703
2021-10-03 04:42:27 C 22 47 03.29 +16 00 13.9 – V 703
2021-10-03 07:15:27 C 22 44 46.46 +17 24 17.0 – V 703
2021-10-03 07:16:43 C 22 44 45.32 +17 24 58.3 – V 703
2021-10-03 07:18:00 C 22 44 44.16 +17 25 41.3 – V 703
2021-10-03 18:00:24 C 22 36 13.17 +23 29 31.5 – V 073
2021-10-03 18:05:43 C 22 36 07.93 +23 32 38.7 – V 073
2021-10-03 18:11:09 C 22 36 02.51 +23 35 49.8 – V 073
2021-10-03 18:16:49 C 22 35 56.90 +23 39 09.2 – V 073
2021-10-03 18:20:38 C 22 35 57.55 +23 41 00.4 – V L01
2021-10-03 18:21:53 C 22 35 56.32 +23 41 43.9 – V L01
2021-10-03 18:23:07 C 22 35 55.10 +23 42 27.5 – V L01
2021-10-03 18:24:21 C 22 35 53.88 +23 43 11.1 – V L01
2021-10-03 18:25:36 C 22 35 52.67 +23 43 54.7 – V L01
2021-10-03 18:50:41 C 22 35 26.86 +23 58 12.8 – V 246
2021-10-03 18:51:19 C 22 35 26.24 +23 58 34.6 – V 246
2021-10-03 18:52:00 C 22 35 20.72 +23 59 09.7 – V L18
2021-10-03 18:56:00 C 22 35 16.77 +24 01 29.5 – V L18
2021-10-03 18:56:54 C 22 35 20.61 +24 01 52.0 – V 246
2021-10-03 18:57:20 C 22 35 20.16 +24 02 06.0 – V 246
2021-10-03 18:57:32 C 22 35 19.98 +24 02 13.6 – V 246
2021-10-03 18:57:45 C 22 35 19.75 +24 02 20.8 – V 246
2021-10-03 18:57:57 C 22 35 19.55 +24 02 28.2 – V 246
2021-10-03 19:00:00 C 22 35 12.73 +24 03 50.8 – V L18
2021-10-03 19:00:43 C 22 35 21.29 +24 03 26.5 – V J95
2021-10-03 19:02:23 C 22 35 19.64 +24 04 24.9 – V J95
2021-10-03 19:04:13 C 22 35 17.83 +24 05 29.6 – V J95
2021-10-03 19:06:16 C 22 35 15.87 +24 06 42.3 – V J95
2021-10-03 19:07:59 C 22 35 14.16 +24 07 42.6 – V J95
2021-10-03 20:09:40 C 22 34 12.50 +24 44 00.3 – V Z80
2021-10-03 20:16:39 C 22 34 05.47 +24 48 06.3 – V Z80
2021-10-03 20:23:39 C 22 33 58.39 +24 52 13.3 – V Z80
2021-10-03 20:27:25 C 22 33 49.46 +24 55 17.0 – X 595
2021-10-03 20:30:57 C 22 33 45.85 +24 57 21.2 – X 595
2021-10-03 20:34:29 C 22 33 42.20 +24 59 25.0 – X 595
2021-10-03 20:38:16 C 22 33 38.30 +25 01 38.6 – X 595
2021-10-03 20:43:52 C 22 33 38.20 +25 04 11.1 – q J69
2021-10-03 20:47:37 C 22 33 34.35 +25 06 22.7 – q J69
2021-10-03 20:51:23 C 22 33 30.46 +25 08 35.2 – q J69
2021-10-03 21:30:25 C 22 32 49.86 +25 31 09.4 – V Z99
2021-10-03 21:33:12 C 22 32 47.01 +25 32 47.1 – V Z99
2021-10-03 21:36:00 C 22 32 44.13 +25 34 25.0 – V Z99
2021-10-03 21:38:47 C 22 32 41.26 +25 36 02.7 – V Z99