2018 XB2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2817607917 ± 8.20e-08
Semi-major axis (a)1.5369685090 AU ± 1.08e-07
Inclination (i)19.28062600° ± 1.46e-05
Long. of Asc. Node (Ω)92.58196784° ± 7.81e-06
Arg. of Perihelion (ω)344.26520996° ± 7.88e-05
Mean Anomaly (M)231.39825593° ± 1.75e-04
Mean Motion (n)0.5172670590°/day ± 5.43e-08
Perihelion dist (q)1.10391105 AU ± 1.48e-07
Aphelion dist (Q)1.97002597 AU ± 1.87e-07
Orbital Period1.90544955 yr ± 2.00e-07
Physical Parameters
H (abs. magnitude)21.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.357″
Uncertainty0
Orbit TypeAmor
MOID0.126824 AU
Observations Used129
Oppositions1
Arc Total2018-2021
First Observation Used2018-12-09
Last Observation Used2021-01-10
Observations (130)
Date Type RA Dec Mag Band Observatory
2018-12-09 06:43:49 C 04 14 19.75 -24 26 16.2 V 703
2018-12-09 06:51:21 C 04 14 19.37 -24 25 45.0 V 703
2018-12-09 06:58:52 C 04 14 18.94 -24 25 13.8 V 703
2018-12-09 07:06:24 C 04 14 18.52 -24 24 42.0 V 703
2018-12-09 07:47:59 C 04 14 15.99 -24 21 49.1 V H01
2018-12-09 07:52:37 C 04 14 15.74 -24 21 29.8 V H01
2018-12-09 08:14:15 C 04 14 14.54 -24 19 58.9 V H01
2018-12-09 08:21:37 C 04 14 14.14 -24 19 27.9 V H01
2018-12-09 08:26:42 C 04 14 13.96 -24 19 06.4 V I52
2018-12-09 08:27:18 C 04 14 13.95 -24 19 03.8 V I52
2018-12-09 08:27:54 C 04 14 13.95 -24 19 01.3 V I52
2018-12-09 08:28:30 C 04 14 13.89 -24 18 58.9 V I52
2018-12-09 11:48:30 C 04 14 07.92 -24 04 11.9 q E23
2018-12-09 12:03:30 C 04 14 07.01 -24 03 09.0 q E23
2018-12-09 12:34:26 C 04 14 05.34 -24 00 59.3 q E23
2018-12-10 02:00:08 C 04 13 32.00 -23 03 43.8 u 807
2018-12-10 02:06:04 C 04 13 31.67 -23 03 18.5 u 807
2018-12-10 02:12:50 C 04 13 31.29 -23 02 49.3 u 807
2018-12-10 04:01:49 C 04 13 27.27 -22 55 45.3 V I52
2018-12-10 04:02:04 C 04 13 27.24 -22 55 44.5 V I52
2018-12-10 04:04:31 C 04 13 27.10 -22 55 34.3 V I52
2018-12-10 04:04:47 C 04 13 27.15 -22 55 32.6 V I52
2018-12-10 05:13:53 C 04 13 22.10 -22 50 38.7 u H21
2018-12-10 05:16:09 C 04 13 21.98 -22 50 28.6 u H21
2018-12-10 05:19:15 C 04 13 21.78 -22 50 15.4 u H21
2018-12-10 21:29:04 C 04 12 41.79 -21 38 40.5 19.1 V 104
2018-12-10 21:37:39 C 04 12 41.32 -21 38 01.6 19.4 V 104
2018-12-10 21:46:14 C 04 12 40.84 -21 37 22.9 19.3 V 104
2018-12-10 22:01:45 C 04 12 39.90 -21 36 13.3 V L01
2018-12-10 22:02:59 C 04 12 39.82 -21 36 07.7 V L01
2018-12-10 22:06:42 C 04 12 39.58 -21 35 51.1 V L01
2018-12-10 22:10:07 C 04 12 39.39 -21 35 35.3 V L01
2018-12-10 22:11:40 C 04 12 39.28 -21 35 28.3 V L01
2018-12-11 19:20:01 C 04 11 48.89 -19 57 08.5 V L29
2018-12-11 19:23:36 C 04 11 48.66 -19 56 51.8 V L29
2018-12-11 19:27:11 C 04 11 48.52 -19 56 34.0 V L29
2018-12-11 19:30:45 C 04 11 48.37 -19 56 18.6 V L29
2018-12-11 22:33:44 C 04 11 38.69 -19 42 50.3 V 204
2018-12-11 22:39:33 C 04 11 38.43 -19 42 22.6 V 204
2018-12-11 22:45:21 C 04 11 38.11 -19 41 55.2 V 204
2018-12-12 03:35:14 C 04 11 28.72 -19 18 46.3 V I52
2018-12-12 03:38:00 C 04 11 28.57 -19 18 32.4 V I52
2018-12-12 03:38:17 C 04 11 28.57 -19 18 30.8 V I52
2018-12-13 04:43:45 C 04 10 27.29 -17 15 45.1 V I52
2018-12-13 04:45:31 C 04 10 27.24 -17 15 36.0 V I52
2018-12-13 04:47:16 C 04 10 27.12 -17 15 28.3 V I52
2018-12-13 04:47:33 C 04 10 27.09 -17 15 26.3 V I52
2018-12-13 09:25:52 C 04 10 14.75 -16 51 59.0 V T05
2018-12-13 09:37:46 C 04 10 14.09 -16 50 59.6 V T05
2018-12-13 09:47:01 C 04 10 13.58 -16 50 12.4 V T05