2017 TA4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7081775411 ± 5.11e-08
Semi-major axis (a)2.4267596410 AU ± 2.68e-08
Inclination (i)27.35960017° ± 1.99e-05
Long. of Asc. Node (Ω)177.45093296° ± 2.54e-05
Arg. of Perihelion (ω)116.64459999° ± 2.36e-05
Mean Anomaly (M)67.38805662° ± 1.08e-05
Mean Motion (n)0.2607186692°/day ± 4.32e-09
Perihelion dist (q)0.70818297 AU ± 1.24e-07
Aphelion dist (Q)4.14533632 AU ± 1.32e-07
Orbital Period3.78042081 yr ± 6.26e-08
Physical Parameters
H (abs. magnitude)19.33
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.361″
Uncertainty0
Orbit TypeApollo
MOID0.059633 AU
Observations Used112
Oppositions3
Arc Total2017-2021
First Observation Used2017-03-19
Last Observation Used2021-11-01
Observations (119)
Date Type RA Dec Mag Band Observatory
2021-04-02 11:26:38 C 17 50 53.10 +22 16 52.5 o 691
2021-04-02 11:41:03 C 17 50 58.43 +22 17 40.5 V I52
2021-04-02 11:42:52 C 17 50 59.06 +22 17 47.3 V I52
2021-04-04 02:58:37 C 18 06 15.10 +24 30 01.0 V K87
2021-04-04 03:10:54 C 18 06 19.96 +24 30 42.2 V K87
2021-04-04 03:23:30 C 18 06 24.91 +24 31 24.6 V K87
2021-04-05 01:45:33 C 18 15 27.89 +25 45 25.1 V A17
2021-04-05 02:02:30 C 18 15 34.80 +25 46 20.8 V A17
2021-04-05 02:17:13 C 18 15 40.77 +25 47 09.6 V A17
2021-04-07 23:51:36 S 18 45 14.263 +29 25 56.24 L C51
2021-04-08 02:59:55 S 18 46 37.094 +29 35 15.61 L C51
2021-04-08 04:33:59 S 18 47 18.586 +29 39 53.82 L C51
2021-04-08 06:08:04 S 18 48 00.072 +29 44 31.24 L C51
2021-04-08 07:42:18 S 18 48 41.731 +29 49 08.36 L C51
2021-04-08 10:50:26 S 18 50 05.023 +29 58 18.52 L C51
2021-11-01 13:50:57 C 05 24 11.936 -16 21 29.16 U F51
2021-11-01 14:06:33 C 05 24 11.108 -16 21 38.14 U F51
2021-11-01 14:22:07 C 05 24 10.295 -16 21 46.44 U F51
2021-11-01 14:37:41 C 05 24 09.456 -16 21 55.51 U F51