IAA RAS IAA Minor Planet Database

2021 TA1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5267010000
Semi-major axis (a)2.1457670000 AU
Inclination (i)5.85452000°
Long. of Asc. Node (Ω)8.74904000°
Arg. of Perihelion (ω)336.28277000°
Mean Anomaly (M)119.84317000°
Mean Motion (n)0.3135669100°/day
Perihelion dist (q)1.01558940 AU
Aphelion dist (Q)3.27594460 AU
Orbital Period3.14321320 yr
Physical Parameters
H (abs. magnitude)25.55
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.790″
Uncertainty8
Orbit TypeAmor
MOID0.026938 AU
Observations Used55
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-10-13
Observations (55)
Date Type RA Dec Mag Band Observatory
2021-10-03 05:33:03 C 23 59 15.30 +01 36 12.5 – V 703
2021-10-03 05:40:44 C 23 59 18.70 +01 37 27.4 – V 703
2021-10-03 05:56:05 C 23 59 25.94 +01 39 59.3 – V 703
2021-10-03 06:09:37 C 23 59 31.99 +01 42 12.5 – V 703
2021-10-03 06:11:23 C 23 59 32.85 +01 42 30.2 – V 703
2021-10-03 08:22:58 C 00 00 33.17 +02 03 54.3 – V 703
2021-10-03 08:24:09 C 00 00 33.91 +02 04 09.0 – V 703
2021-10-03 08:25:20 C 00 00 34.45 +02 04 19.3 – V 703
2021-10-03 19:20:23 C 00 06 04.35 +03 46 56.7 – V L01
2021-10-03 19:22:04 C 00 06 05.11 +03 47 11.4 – V L01
2021-10-03 19:31:18 C 00 06 09.24 +03 48 37.1 – V L01
2021-10-03 19:33:33 C 00 06 10.25 +03 48 58.0 – V L01
2021-10-03 19:36:55 C 00 06 11.78 +03 49 29.2 – V L01
2021-10-03 19:52:33 C 00 06 18.33 +03 51 43.7 – V 246
2021-10-03 19:52:46 C 00 06 18.46 +03 51 46.5 – V 246
2021-10-03 19:52:58 C 00 06 18.55 +03 51 47.4 – V 246
2021-10-03 19:53:11 C 00 06 18.63 +03 51 51.0 – V 246
2021-10-03 19:53:36 C 00 06 18.80 +03 51 54.1 – V 246
2021-10-03 19:54:01 C 00 06 19.03 +03 51 57.5 – V 246
2021-10-03 20:32:57 C 00 06 36.73 +03 58 16.4 – q C82
2021-10-03 20:37:35 C 00 06 38.75 +03 58 57.4 – q C82
2021-10-03 20:50:49 C 00 06 44.61 +04 00 56.0 – q C82
2021-10-03 20:51:55 C 00 06 44.85 +04 00 54.2 – X 595
2021-10-03 20:57:40 C 00 06 47.50 +04 02 00.1 – q C82
2021-10-03 21:01:34 C 00 06 49.07 +04 02 22.2 – X 595
2021-10-03 21:50:49 C 00 07 12.12 +04 09 36.7 – V Z80
2021-10-03 22:10:49 C 00 07 20.89 +04 12 38.1 – V Z80
2021-10-03 22:27:42 C 00 07 28.15 +04 15 06.6 – V Z99
2021-10-03 22:31:16 C 00 07 29.70 +04 15 38.8 – V Z99
2021-10-03 22:34:49 C 00 07 31.23 +04 16 10.9 – V Z99
2021-10-04 02:43:08 C 00 09 30.19 +04 53 33.3 – u H21
2021-10-04 02:47:10 C 00 09 31.91 +04 54 09.1 – u H21
2021-10-04 02:56:12 C 00 09 35.76 +04 55 28.3 – u H21
2021-10-04 02:58:13 C 00 09 36.61 +04 55 46.6 – u H21
2021-10-04 03:55:52 C 00 10 03.69 +05 04 23.6 – X 858
2021-10-04 04:00:24 C 00 10 05.58 +05 05 03.3 – X 858
2021-10-04 04:05:02 C 00 10 07.53 +05 05 44.1 – X 858
2021-10-04 07:22:22 C 00 11 27.41 +05 34 06.5 – V 734
2021-10-04 07:34:02 C 00 11 32.22 +05 35 46.2 – V 734
2021-10-04 07:46:29 C 00 11 37.38 +05 37 32.7 – V 734
2021-10-04 08:58:43 C 00 12 16.255 +05 48 39.78 – U F51
2021-10-04 09:17:32 C 00 12 23.744 +05 51 20.12 – U F51
2021-10-04 09:36:24 C 00 12 31.220 +05 54 00.39 – U F51
2021-10-04 18:08:26 C 00 16 19.21 +07 03 20.8 – V G02
2021-10-04 18:13:39 C 00 16 21.33 +07 04 03.4 – V G02
2021-10-04 18:18:51 C 00 16 23.44 +07 04 45.1 – V G02
2021-10-07 05:12:55 C 00 38 09.00 +13 48 15.2 – V G96
2021-10-07 05:20:21 C 00 38 11.13 +13 48 58.1 – V G96
2021-10-07 05:27:48 C 00 38 13.28 +13 49 41.2 – V G96
2021-10-07 05:35:14 C 00 38 15.43 +13 50 24.3 – V G96