2021 TA3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6259244030 ± 3.22e-04
Semi-major axis (a)2.3946521239 AU ± 1.75e-03
Inclination (i)4.51877107° ± 3.27e-03
Long. of Asc. Node (Ω)35.58654278° ± 1.24e-02
Arg. of Perihelion (ω)235.10398357° ± 5.68e-03
Mean Anomaly (M)68.83439114° ± 4.71e-01
Mean Motion (n)0.2659797840°/day ± 2.92e-04
Perihelion dist (q)0.89578092 AU ± 1.01e-03
Aphelion dist (Q)3.89352332 AU ± 2.95e-03
Orbital Period3.70564360 yr ± 4.07e-03
Physical Parameters
H (abs. magnitude)22.05
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.181″
Uncertainty3
Orbit TypeApollo
MOID0.013651 AU
Observations Used20
Oppositions1
Arc Total2021-2021
First Observation Used2021-09-11
Last Observation Used2021-10-04
Observations (20)
Date Type RA Dec Mag Band Observatory
2021-09-11 06:56:30 C 01 11 57.28 -02 45 26.6 V G96
2021-09-11 07:03:20 C 01 11 56.46 -02 45 27.0 V G96
2021-09-11 07:10:10 C 01 11 55.77 -02 45 27.8 V G96
2021-09-25 10:23:45 C 00 40 37.197 -03 10 47.02 V F51
2021-09-25 10:41:02 C 00 40 35.743 -03 10 47.65 V F51
2021-09-25 10:58:21 C 00 40 34.281 -03 10 48.26 V F51
2021-09-29 11:22:57 C 00 33 14.065 -03 13 35.23 V F51
2021-09-29 11:39:04 C 00 33 12.828 -03 13 35.21 V F51
2021-09-29 11:55:12 C 00 33 11.591 -03 13 35.75 V F51
2021-10-03 08:31:33 C 00 26 57.399 -03 13 55.80 U F52
2021-10-03 08:46:19 C 00 26 56.400 -03 13 55.67 U F52
2021-10-03 09:01:08 C 00 26 55.412 -03 13 55.63 U F52
2021-10-03 11:16:18 C 00 26 46.342 -03 13 54.26 V F51
2021-10-03 11:17:14 C 00 26 46.292 -03 13 54.24 V F51
2021-10-04 03:50:52 C 00 25 44.97 -03 13 29.6 V 807
2021-10-04 03:58:50 C 00 25 44.45 -03 13 29.6 V 807
2021-10-04 04:06:48 C 00 25 43.93 -03 13 29.3 V 807
2021-10-04 04:33:55 C 00 25 42.39 -03 13 45.0 u H21
2021-10-04 04:43:55 C 00 25 41.72 -03 13 45.1 u H21
2021-10-04 04:49:28 C 00 25 41.35 -03 13 44.9 u H21