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
2018-05-13 05:32:16 C 12 45 23.42 +00 41 58.3 – U G96
2018-05-13 05:39:42 C 12 45 23.12 +00 41 33.7 – U G96
2018-05-13 05:47:10 C 12 45 22.79 +00 41 09.1 – U G96
2018-05-13 05:54:37 C 12 45 22.50 +00 40 44.6 – U G96
2018-05-13 07:26:10 C 12 45 18.95 +00 35 44.2 – U I52
2018-05-13 07:27:31 C 12 45 18.86 +00 35 39.9 – U I52
2018-05-13 07:28:51 C 12 45 18.81 +00 35 35.6 – U I52
2018-05-13 07:30:12 C 12 45 18.77 +00 35 30.6 – U I52
2018-05-13 08:11:23 C 12 45 17.39 +00 33 14.6 – t 673
2018-05-13 08:20:49 C 12 45 17.04 +00 32 44.0 – t 673
2018-05-13 20:29:55 C 12 44 55.35 -00 07 05.6 – S 033
2018-05-13 20:34:27 C 12 44 55.18 -00 07 20.6 – S 033
2018-05-13 20:38:58 C 12 44 55.05 -00 07 35.5 – S 033
2018-05-13 20:43:33 C 12 44 54.87 -00 07 50.6 – S 033
2018-05-13 22:21:43 C 12 44 51.35 -00 13 09.8 – S 033
2018-05-13 22:26:12 C 12 44 51.16 -00 13 24.7 – S 033
2018-05-13 22:30:38 C 12 44 51.01 -00 13 39.0 – S 033
2018-05-13 23:42:42 C 12 44 48.83 -00 17 33.5 – V J95
2018-05-13 23:54:38 C 12 44 48.33 -00 18 12.2 – V J95
2018-05-14 20:35:00 C 12 44 13.39 -01 24 59.4 – S 033
2018-05-14 20:58:18 C 12 44 12.62 -01 26 14.7 – S 033
2018-05-14 21:03:12 C 12 44 12.47 -01 26 29.9 – S 033
2018-05-14 21:08:05 C 12 44 12.28 -01 26 45.4 – S 033
2018-05-15 04:18:52 C 12 44 01.33 -01 49 38.1 – t 673
2018-05-15 04:29:01 C 12 44 01.00 -01 50 10.5 – t 673
2018-05-15 04:54:07 C 12 43 59.82 -01 51 30.5 – V H01
2018-05-15 04:58:48 C 12 43 59.67 -01 51 45.5 – V H01
2018-05-15 05:12:39 C 12 43 59.20 -01 52 29.7 – V H01
2018-05-15 05:23:55 C 12 43 58.83 -01 53 05.6 – V H01
2018-05-15 06:05:18 C 12 43 57.57 -01 55 17.1 – U I52
2018-05-15 06:06:24 C 12 43 57.52 -01 55 20.5 – U I52
2018-05-15 06:07:30 C 12 43 57.48 -01 55 23.6 – U I52
2018-05-15 06:08:35 C 12 43 57.44 -01 55 27.4 – U I52
2018-05-16 03:54:55 C 12 43 25.85 -03 04 25.6 – q H36
2018-05-16 04:17:11 C 12 43 25.16 -03 05 36.0 – q H36
2018-05-16 04:40:14 C 12 43 24.43 -03 06 49.8 – q H36
2018-05-16 05:02:01 C 12 43 23.79 -03 07 57.0 – q H36
2018-05-16 05:06:38 C 12 43 24.06 -03 08 08.3 – U G96
2018-05-16 05:14:05 C 12 43 23.87 -03 08 32.0 – U G96
2018-05-16 05:21:32 C 12 43 23.65 -03 08 54.7 – U G96
2018-05-16 05:28:59 C 12 43 23.43 -03 09 18.6 – U G96
2018-05-17 07:40:08 C 12 42 49.44 -04 30 41.6 – U I52
2018-05-17 07:41:13 C 12 42 49.37 -04 30 45.1 – U I52
2018-05-17 07:42:19 C 12 42 49.32 -04 30 48.4 – U I52
2018-05-19 07:22:03 C 12 42 03.16 -06 54 42.6 – o 691
2018-05-19 07:37:04 C 12 42 02.88 -06 55 27.4 – o 691
2018-05-19 07:52:01 C 12 42 02.60 -06 56 10.4 – o 691
2018-05-22 04:04:29 C 12 41 28.92 -10 11 59.7 – U I52
2018-05-22 04:06:16 C 12 41 28.88 -10 12 05.5 – U I52
2018-05-22 04:10:51 C 12 41 28.85 -10 12 17.3 – U I52