IAA RAS IAA Minor Planet Database

2021 TO57

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5906705070 ± 7.51e-08
Semi-major axis (a)2.0722576341 AU ± 1.30e-08
Inclination (i)11.98220975° ± 1.07e-05
Long. of Asc. Node (Ω)338.42771904° ± 6.69e-05
Arg. of Perihelion (ω)157.08529859° ± 6.24e-05
Mean Anomaly (M)97.78043932° ± 8.39e-06
Mean Motion (n)0.3304050327°/day ± 3.11e-09
Perihelion dist (q)0.84823617 AU ± 1.56e-07
Aphelion dist (Q)3.29627910 AU ± 1.57e-07
Orbital Period2.98308496 yr ± 2.81e-08
Physical Parameters
H (abs. magnitude)21.09
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.247″
Uncertainty0
Orbit TypeApollo
MOID0.087243 AU
Observations Used73
Oppositions4
Arc Total2018-2024
First Observation Used2018-12-12
Last Observation Used2024-11-19
Observations (79)
Date Type RA Dec Mag Band Observatory
2018-12-12 06:27:08 C 23 20 46.721 +31 10 19.01 – V F51
2018-12-12 06:42:57 C 23 20 46.025 +31 10 14.47 – V F51
2018-12-12 06:58:43 C 23 20 45.359 +31 10 09.84 – V F51
2018-12-18 05:35:43 C 23 16 15.676 +30 35 32.51 – V F51
2018-12-18 05:53:51 C 23 16 15.144 +30 35 28.31 – V F51
2019-01-12 05:15:27 C 23 09 23.713 +29 08 53.80 – V F51
2019-01-12 05:24:56 C 23 09 23.561 +29 08 51.84 – V F51
2019-01-12 05:34:22 C 23 09 23.399 +29 08 49.77 – V F51
2019-01-12 05:43:47 C 23 09 23.237 +29 08 47.84 – V F51
2021-10-11 13:08:00 C 01 54 07.725 +34 21 47.14 – U F51
2021-10-11 13:43:20 C 01 54 05.170 +34 22 08.66 – U F51
2021-10-11 14:16:30 C 01 54 02.826 +34 22 29.13 – U F51
2021-10-25 08:18:36 C 01 24 09.05 +37 27 18.9 – V G96
2021-10-25 08:27:33 C 01 24 08.04 +37 27 23.1 – V G96
2021-10-25 08:34:58 C 01 24 07.20 +37 27 26.7 – V G96
2021-10-25 08:42:23 C 01 24 06.26 +37 27 29.9 – V G96
2021-11-04 04:44:14 C 00 54 45.82 +38 48 50.9 – V G96
2021-11-04 04:51:43 C 00 54 44.71 +38 48 52.3 – V G96
2021-11-04 04:59:11 C 00 54 43.60 +38 48 54.7 – V G96
2021-11-04 05:06:38 C 00 54 42.65 +38 48 55.8 – V G96
2021-11-04 06:14:10 C 00 54 33.27 +38 49 09.9 – V I52
2021-11-04 06:18:57 C 00 54 32.58 +38 49 11.0 – V I52
2021-11-04 06:23:41 C 00 54 31.91 +38 49 11.9 – V I52
2021-11-04 06:28:21 C 00 54 31.27 +38 49 12.9 – V I52
2021-11-05 01:56:38 C 00 51 55.40 +38 53 06.0 – V I52
2021-11-05 02:00:34 C 00 51 54.83 +38 53 07.1 – V I52
2021-11-05 02:12:23 C 00 51 53.23 +38 53 09.6 – V I52
2021-11-05 02:16:19 C 00 51 52.63 +38 53 11.3 – V I52
2021-11-05 02:41:53 C 00 51 48.64 +38 53 15.7 – u H21
2021-11-05 02:57:27 C 00 51 46.46 +38 53 18.7 – u H21
2021-11-05 03:09:40 C 00 51 44.76 +38 53 21.4 – u H21
2021-11-05 07:22:35 C 00 51 09.78 +38 54 09.8 – V 673
2021-11-05 08:07:51 C 00 51 03.53 +38 54 16.5 – V 673
2021-11-09 04:23:08 C 00 38 27.91 +39 06 06.0 – V V06
2021-11-09 04:24:17 C 00 38 27.73 +39 06 06.2 – V V06
2021-11-09 04:25:25 C 00 38 27.58 +39 06 05.9 – V V06
2021-11-10 08:41:20 C 00 34 32.97 +39 07 36.2 – V I52
2021-11-10 08:43:31 C 00 34 32.67 +39 07 36.1 – V I52
2021-11-10 08:45:39 C 00 34 32.39 +39 07 36.1 – V I52
2021-11-11 04:56:57 C 00 31 46.88 +39 08 14.2 – V V06
2021-11-11 04:58:06 C 00 31 46.73 +39 08 14.2 – V V06
2021-11-11 04:59:14 C 00 31 46.53 +39 08 14.3 – V V06
2021-11-11 05:00:23 C 00 31 46.37 +39 08 14.4 – V V06
2021-11-30 01:59:02 C 23 35 48.21 +37 40 23.3 – V I52
2021-11-30 02:02:48 C 23 35 47.79 +37 40 21.8 – V I52
2021-11-30 02:08:49 C 23 35 47.15 +37 40 19.5 – V I52
2021-11-30 02:11:51 C 23 35 46.89 +37 40 18.6 – V I52
2021-12-11 20:32:07 C 23 11 36.27 +36 02 12.4 – V 204
2021-12-11 21:25:06 C 23 11 32.37 +36 01 52.8 – V 204
2021-12-12 04:08:24 C 23 11 04.00 +35 59 44.7 – V G96