2018 JA3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2924574421 ± 2.16e-07
Semi-major axis (a)1.7278797188 AU ± 5.65e-07
Inclination (i)20.45211173° ± 6.46e-05
Long. of Asc. Node (Ω)46.49369383° ± 1.79e-05
Arg. of Perihelion (ω)159.22633682° ± 4.86e-04
Mean Anomaly (M)121.90808024° ± 8.35e-04
Mean Motion (n)0.4339523210°/day ± 2.13e-07
Perihelion dist (q)1.22254844 AU ± 5.46e-07
Aphelion dist (Q)2.23321100 AU ± 8.19e-07
Orbital Period2.27127782 yr ± 1.11e-06
Physical Parameters
H (abs. magnitude)21.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.255″
Uncertainty0
Orbit TypeAmor
MOID0.227232 AU
Observations Used60
Oppositions1
Arc Total2018-2020
First Observation Used2018-05-13
Last Observation Used2020-05-19
Observations (65)
Date Type RA Dec Mag Band Observatory
2018-05-22 04:12:38 C 12 41 28.84 -10 12 22.7 U I52
2018-05-23 03:52:52 C 12 41 25.08 -11 17 26.2 U I52
2018-05-23 03:54:39 C 12 41 25.07 -11 17 32.0 U I52
2018-05-23 03:57:50 C 12 41 25.06 -11 17 40.2 U I52
2018-05-23 04:13:05 C 12 41 24.93 -11 18 21.1 U I52
2018-06-02 03:44:58 C 12 44 27.56 -20 53 16.4 U G96
2018-06-02 03:53:34 C 12 44 27.67 -20 53 33.9 U G96
2018-06-02 04:02:13 C 12 44 27.83 -20 53 51.7 U G96
2018-06-02 04:10:50 C 12 44 28.05 -20 54 09.9 U G96
2018-06-07 09:10:02 C 12 48 29.31 -24 57 46.5 U 474
2018-06-07 09:15:05 C 12 48 29.46 -24 57 55.7 U 474
2018-06-07 09:20:09 C 12 48 29.63 -24 58 05.0 U 474
2018-06-07 09:25:13 C 12 48 29.80 -24 58 14.2 U 474
2020-05-17 06:40:05 C 07 40 18.199 +38 01 22.77 V T14
2020-05-19 06:19:08 C 07 47 09.402 +37 34 44.54 V T14