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
2021-12-12 04:16:25 C 23 11 03.35 +35 59 41.4 V G96
2021-12-12 04:24:26 C 23 11 02.73 +35 59 38.3 V G96
2021-12-17 02:09:55 C 23 03 21.12 +35 21 36.0 V 695
2021-12-17 02:28:58 C 23 03 19.83 +35 21 29.7 V 695
2021-12-17 02:48:02 C 23 03 18.54 +35 21 23.3 V 695
2021-12-23 02:24:06 C 22 54 59.66 +34 38 15.0 V 291
2021-12-23 02:29:29 C 22 54 59.34 +34 38 13.1 V 291
2021-12-23 02:34:53 C 22 54 59.03 +34 38 11.5 V 291
2022-03-13 09:14:14 C 18 09 33.28 -45 05 16.3 V 807
2022-03-13 09:22:14 C 18 09 32.80 -45 05 29.7 V 807
2022-03-13 09:30:12 C 18 09 32.11 -45 05 42.1 V 807
2024-09-25 14:30:00 C 02 35 07.679 +32 48 06.41 V F52
2024-09-25 14:41:25 C 02 35 07.633 +32 48 15.12 V F52
2024-09-29 14:05:23 C 02 34 20.904 +34 04 54.80 V F51
2024-09-29 14:44:46 C 02 34 20.265 +34 05 26.68 V F51
2024-10-13 07:12:37 C 02 24 17.971 +38 53 07.91 V V06
2024-10-13 07:21:45 C 02 24 17.464 +38 53 16.30 V V06
2024-10-13 07:30:54 C 02 24 16.945 +38 53 24.94 V V06
2024-10-13 07:40:03 C 02 24 16.441 +38 53 33.32 V V06
2024-10-25 05:25:59 C 02 02 58.920 +43 22 28.60 V G96
2024-10-25 05:35:08 C 02 02 57.955 +43 22 36.91 V G96
2024-10-25 05:42:37 C 02 02 57.160 +43 22 44.40 V G96
2024-10-25 05:50:06 C 02 02 56.378 +43 22 51.13 V G96
2024-11-11 07:07:14 C 01 05 21.685 +48 52 52.28 V G96
2024-11-11 07:23:29 C 01 05 18.730 +48 53 01.43 V G96
2024-11-11 07:31:37 C 01 05 17.322 +48 53 06.32 V G96
2024-11-19 05:10:23 C 00 29 00.258 +50 18 57.78 V G96
2024-11-19 05:17:59 C 00 28 58.645 +50 19 00.26 V G96
2024-11-19 05:33:09 C 00 28 55.477 +50 19 03.54 V G96