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
2018-12-13 10:03:30 C 04 10 12.68 -16 48 48.3 V T05
2018-12-14 05:43:55 C 04 09 28.22 -15 07 48.4 V 703
2018-12-14 05:51:28 C 04 09 27.81 -15 07 10.5 V 703
2018-12-14 05:59:01 C 04 09 27.35 -15 06 30.4 V 703
2018-12-14 06:06:33 C 04 09 26.92 -15 05 51.8 V 703
2018-12-17 04:59:51 C 04 06 54.12 -08 35 03.1 18.4 q H21
2018-12-17 05:07:25 C 04 06 53.77 -08 34 19.4 18.5 q H21
2018-12-17 05:14:57 C 04 06 53.42 -08 33 35.6 18.4 q H21
2018-12-17 05:22:30 C 04 06 53.06 -08 32 52.0 18.5 q H21
2018-12-17 05:30:01 C 04 06 52.73 -08 32 08.3 18.4 q H21
2018-12-18 04:51:14 C 04 06 07.84 -06 15 21.5 18.2 q H21
2018-12-18 04:57:02 C 04 06 07.59 -06 14 47.0 18.2 q H21
2018-12-18 05:02:51 C 04 06 07.33 -06 14 12.3 18.4 q H21
2018-12-18 08:51:07 C 04 06 00.85 -05 51 21.0 V T05
2018-12-18 08:59:23 C 04 06 00.37 -05 50 31.3 V T05
2018-12-18 09:02:51 C 04 06 00.25 -05 50 11.1 V T05
2018-12-18 09:14:38 C 04 05 59.70 -05 49 00.7 V T05
2018-12-18 09:22:55 C 04 05 59.27 -05 48 11.4 V T05
2018-12-18 09:34:48 C 04 05 58.70 -05 47 00.6 V T05
2018-12-18 10:22:41 C 04 05 59.76 -05 41 22.3 u E10
2018-12-18 10:37:37 C 04 05 59.10 -05 39 53.6 u E10
2018-12-25 21:29:45 C 04 01 59.52 +12 50 05.1 q 160
2018-12-25 21:33:40 C 04 01 59.43 +12 50 29.9 q 160
2018-12-26 03:45:27 C 04 01 55.32 +13 28 49.5 17.9 q H21
2018-12-26 03:48:03 C 04 01 55.26 +13 29 05.4 18.0 q H21
2018-12-26 03:50:43 C 04 01 55.17 +13 29 22.1 18.2 q H21
2018-12-26 03:53:25 C 04 01 55.13 +13 29 38.5 18.2 q H21
2018-12-26 03:56:07 C 04 01 55.05 +13 29 54.9 18.1 q H21
2018-12-26 03:58:48 C 04 01 54.99 +13 30 11.7 17.8 q H21
2018-12-26 04:01:23 C 04 01 54.92 +13 30 27.6 18.1 q H21
2018-12-26 20:42:13 C 04 01 45.18 +15 12 36.6 V K38
2018-12-26 20:59:28 C 04 01 44.82 +15 14 21.7 V K38
2018-12-26 21:16:45 C 04 01 44.47 +15 16 07.1 V K38
2018-12-26 21:34:14 C 04 01 44.04 +15 17 53.6 V K38
2018-12-26 21:53:01 C 04 01 43.56 +15 19 49.7 q 160
2018-12-26 21:57:07 C 04 01 43.45 +15 20 14.4 q 160
2018-12-26 22:01:10 C 04 01 43.36 +15 20 39.0 q 160
2018-12-27 08:54:35 C 04 01 37.79 +16 27 03.4 V T05
2018-12-27 09:05:12 C 04 01 37.58 +16 28 07.3 V T05
2018-12-27 09:20:21 C 04 01 37.21 +16 29 38.9 V T05
2018-12-27 09:35:55 C 04 01 36.86 +16 31 12.5 V T05
2018-12-31 02:15:25 C 04 01 32.89 +25 01 55.4 V G96
2018-12-31 02:23:29 C 04 01 32.84 +25 02 40.3 V G96
2018-12-31 02:31:33 C 04 01 32.78 +25 03 24.9 V G96
2018-12-31 02:39:38 C 04 01 32.72 +25 04 09.2 V G96
2019-01-01 21:07:58 C 04 01 52.25 +28 48 15.0 q 160
2019-01-01 21:11:51 C 04 01 52.08 +28 48 35.6 q 160
2019-01-01 21:15:42 C 04 01 52.28 +28 48 54.2 q 160
2019-01-03 17:41:46 C 04 02 36.76 +32 27 13.5 t B49
2019-01-03 17:46:05 C 04 02 36.73 +32 27 33.6 t B49