2018 TB4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5323945008 ± 6.69e-08
Semi-major axis (a)2.6266644477 AU ± 1.27e-07
Inclination (i)26.76581066° ± 1.46e-05
Long. of Asc. Node (Ω)8.63394415° ± 1.18e-05
Arg. of Perihelion (ω)246.08164745° ± 3.14e-05
Mean Anomaly (M)295.65355976° ± 1.43e-05
Mean Motion (n)0.2315289927°/day ± 1.68e-08
Perihelion dist (q)1.22824274 AU ± 1.86e-07
Aphelion dist (Q)4.02508616 AU ± 2.63e-07
Orbital Period4.25703179 yr ± 3.10e-07
Physical Parameters
H (abs. magnitude)18.85
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.230″
Uncertainty0
Orbit TypeAmor
MOID0.403443 AU
Observations Used62
Oppositions3
Arc Total2018-2022
First Observation Used2018-08-19
Last Observation Used2022-10-16
Observations (64)
Date Type RA Dec Mag Band Observatory
2022-04-11 06:03:22 C 17 06 57.88 -58 50 57.0 u 807
2022-04-11 06:07:18 C 17 06 58.82 -58 51 07.3 u 807
2022-04-12 07:35:06 C 17 12 38.49 -59 58 46.7 u 807
2022-04-12 07:40:57 C 17 12 39.81 -59 59 02.2 u 807
2022-04-12 07:46:51 C 17 12 41.11 -59 59 17.8 u 807
2022-07-29 05:50:57 C 00 54 47.58 -61 08 08.8 V W94
2022-07-29 05:59:12 C 00 54 46.35 -61 08 07.1 V W94
2022-07-29 06:07:31 C 00 54 45.15 -61 08 05.4 V W94
2022-09-30 06:56:33 C 22 06 23.386 -35 00 48.47 U F51
2022-09-30 07:11:43 C 22 06 23.089 -35 00 29.39 U F51
2022-09-30 07:26:53 C 22 06 22.769 -35 00 10.23 U F51
2022-10-16 05:54:29 C 22 05 29.126 -27 37 23.99 U F52
2022-10-16 06:23:32 C 22 05 29.334 -27 36 53.13 U F52
2022-10-16 06:38:03 C 22 05 29.468 -27 36 37.97 U F52