2021 TD13

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5092741403 ± 3.89e-04
Semi-major axis (a)1.9087086603 AU ± 1.43e-03
Inclination (i)6.84438156° ± 3.80e-03
Long. of Asc. Node (Ω)16.69617104° ± 7.57e-04
Arg. of Perihelion (ω)43.48227693° ± 1.07e-02
Mean Anomaly (M)188.63951855° ± 6.17e-01
Mean Motion (n)0.3737685968°/day ± 4.20e-04
Perihelion dist (q)0.93665270 AU ± 1.02e-03
Aphelion dist (Q)2.88076462 AU ± 2.28e-03
Orbital Period2.63699597 yr ± 2.96e-03
Physical Parameters
H (abs. magnitude)27.23
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.528″
Uncertainty3
Orbit TypeApollo
MOID0.014967 AU
Observations Used28
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-13
Last Observation Used2021-10-13
Observations (28)
Date Type RA Dec Mag Band Observatory
2021-10-13 04:59:14 C 01 06 41.70 +26 41 44.0 V G96
2021-10-13 05:06:08 C 01 06 46.07 +26 45 12.7 V G96
2021-10-13 05:13:03 C 01 06 50.41 +26 48 40.7 V G96
2021-10-13 05:19:58 C 01 06 54.76 +26 52 09.5 V G96
2021-10-13 07:22:23 C 01 08 12.47 +27 54 23.4 V G96
2021-10-13 07:22:49 C 01 08 12.71 +27 54 36.4 V G96
2021-10-13 07:23:14 C 01 08 13.03 +27 54 49.7 V G96
2021-10-13 07:23:40 C 01 08 13.29 +27 55 03.4 V G96
2021-10-13 10:24:54 C 01 10 17.20 +29 28 31.5 V G96
2021-10-13 10:25:20 C 01 10 17.53 +29 28 44.7 V G96
2021-10-13 10:25:46 C 01 10 17.85 +29 28 58.1 V G96
2021-10-13 10:26:12 C 01 10 18.13 +29 29 11.8 V G96
2021-10-13 19:18:52 C 01 18 59.81 +34 24 00.3 V K51
2021-10-13 19:20:56 C 01 19 01.71 +34 25 12.6 V K51
2021-10-13 19:22:58 C 01 19 03.64 +34 26 24.9 V K51
2021-10-13 19:39:03 C 01 19 22.79 +34 35 37.5 X 958
2021-10-13 19:45:01 C 01 19 28.51 +34 39 11.3 X 958
2021-10-13 19:51:02 C 01 19 34.22 +34 42 46.8 X 958
2021-10-13 20:27:19 C 01 20 05.88 +35 04 44.8 V G15
2021-10-13 20:32:39 C 01 20 10.91 +35 07 56.1 V G15
2021-10-13 20:38:08 C 01 20 16.12 +35 11 14.1 V G15
2021-10-13 20:47:24 C 01 20 23.06 +35 16 50.7 V L01
2021-10-13 20:49:07 C 01 20 24.69 +35 17 51.9 V L01
2021-10-13 20:50:50 C 01 20 26.31 +35 18 54.6 V L01
2021-10-13 20:52:33 C 01 20 27.94 +35 19 56.2 V L01
2021-10-13 20:54:16 C 01 20 29.59 +35 20 57.8 V L01
2021-10-13 21:19:39 C 01 20 55.17 +35 36 13.1 V 104
2021-10-13 21:24:28 C 01 20 59.77 +35 39 07.7 V 104