2018 XA

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6766465535 ± 2.00e+00
Semi-major axis (a)2.5958326403 AU ± 3.00e+00
Inclination (i)3.95354985° ± 4.00e+00
Long. of Asc. Node (Ω)252.94336628° ± 5.00e+00
Arg. of Perihelion (ω)121.83180206° ± 6.00e+00
Mean Anomaly (M)248.90691665° ± 1.76e-01
Mean Motion (n)0.2356311200°/day ± 4.08e-01
Perihelion dist (q)0.83936380 AU ± 5.28e+00
Aphelion dist (Q)4.35275100 AU ± 7.23e+00
Orbital Period4.18284180 yr ± 7.25e+00
Physical Parameters
H (abs. magnitude)23.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.347″
Uncertainty3
Orbit TypeApollo
MOID0.008288 AU
Observations Used151
Oppositions1
Arc Total2018-2019
First Observation Used
Last Observation Used2019-01-03
Observations (154)
Date Type RA Dec Mag Band Observatory
2018-12-03 12:58:30 C 03 22 21.12 +23 49 18.0 V T05
2018-12-03 13:06:36 C 03 22 32.82 +23 48 54.2 V T08
2018-12-03 13:12:44 C 03 22 41.98 +23 48 30.6 V T05
2018-12-03 13:19:28 C 03 22 51.63 +23 48 11.9 V T08
2018-12-03 13:30:38 C 03 23 08.15 +23 47 31.0 V T05
2018-12-03 13:32:28 C 03 23 10.62 +23 47 28.3 V T08
2018-12-03 13:45:40 C 03 23 29.90 +23 46 44.1 V T08
2018-12-03 13:59:45 C 03 23 50.43 +23 45 56.7 V T08
2018-12-03 21:01:52 C 03 34 01.65 +23 25 15.2 V G40
2018-12-03 21:09:16 C 03 34 10.99 +23 24 54.7 V G40
2018-12-03 21:18:01 C 03 34 21.92 +23 24 31.0 V G40
2018-12-03 22:35:04 C 03 35 52.20 +23 19 33.1 V Z80
2018-12-03 22:36:59 C 03 35 54.57 +23 19 27.5 V Z80
2018-12-03 22:38:58 C 03 35 56.99 +23 19 21.7 V Z80
2018-12-03 22:40:58 C 03 35 59.43 +23 19 16.2 V Z80
2018-12-03 22:42:58 C 03 36 01.89 +23 19 10.3 V Z80
2018-12-03 22:44:58 C 03 36 04.36 +23 19 03.8 V Z80
2018-12-03 22:46:59 C 03 36 06.78 +23 18 58.4 V Z80
2018-12-03 22:48:59 C 03 36 09.22 +23 18 52.4 V Z80
2018-12-03 22:50:59 C 03 36 11.65 +23 18 47.0 V Z80
2018-12-03 22:52:59 C 03 36 14.12 +23 18 40.4 V Z80
2018-12-03 22:54:54 C 03 36 16.64 +23 18 35.5 V J95
2018-12-03 22:57:20 C 03 36 19.62 +23 18 28.3 V J95
2018-12-03 22:59:44 C 03 36 22.53 +23 18 21.2 V J95
2018-12-03 23:01:18 C 03 36 28.065 +23 19 42.01 V J04
2018-12-03 23:01:33 C 03 36 28.349 +23 19 41.47 V J04
2018-12-03 23:01:48 C 03 36 28.676 +23 19 40.70 V J04
2018-12-04 02:14:40 C 03 40 33.71 +23 09 27.4 V I52
2018-12-04 02:14:51 C 03 40 33.93 +23 09 27.0 V I52
2018-12-04 02:15:01 C 03 40 34.14 +23 09 26.5 V I52
2018-12-04 02:15:12 C 03 40 34.36 +23 09 26.1 V I52
2018-12-05 04:04:12 C 04 05 45.23 +22 00 33.9 o 691
2018-12-05 04:09:45 C 04 05 49.39 +22 00 21.5 o 691
2018-12-05 04:15:16 C 04 05 53.59 +22 00 08.7 o 691
2018-12-05 12:25:42 C 04 11 48.141 +21 41 23.48 V T12
2018-12-05 12:26:11 C 04 11 48.466 +21 41 22.11 V T12
2018-12-06 23:17:59 C 04 31 47.73 +20 31 59.6 q 160
2018-12-06 23:22:03 C 04 31 49.44 +20 31 52.3 q 160
2018-12-06 23:26:08 C 04 31 51.21 +20 31 45.5 q 160
2018-12-07 08:28:56 C 04 35 50.889 +20 18 00.37 V T12
2018-12-07 08:29:45 C 04 35 51.198 +20 17 59.15 V T12
2018-12-07 10:41:39 C 04 36 40.05 +20 14 35.2 V T05
2018-12-07 11:04:24 C 04 36 48.35 +20 13 59.8 V T05
2018-12-07 11:18:47 C 04 36 53.50 +20 13 37.4 V T05
2018-12-07 11:32:08 C 04 36 58.36 +20 13 15.8 V T05
2018-12-08 06:32:28 C 04 43 51.62 +19 46 01.3 u H21
2018-12-08 06:36:31 C 04 43 52.83 +19 45 56.1 u H21
2018-12-09 00:35:45 C 04 49 15.81 +19 24 12.2 q 160
2018-12-09 00:39:51 C 04 49 16.87 +19 24 07.8 q 160
2018-12-09 00:43:22 C 04 49 17.73 +19 24 03.6 q 160