IAA RAS IAA Minor Planet Database

2018 XB20

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5947670626 ± 3.60e-06
Semi-major axis (a)1.9839907418 AU ± 1.45e-05
Inclination (i)6.33241224° ± 4.10e-05
Long. of Asc. Node (Ω)196.73443776° ± 1.58e-04
Arg. of Perihelion (ω)325.92159948° ± 1.44e-04
Mean Anomaly (M)147.45818765° ± 9.48e-03
Mean Motion (n)0.3526978517°/day ± 3.87e-06
Perihelion dist (q)0.80397840 AU ± 9.25e-06
Aphelion dist (Q)3.16400309 AU ± 2.42e-05
Orbital Period2.79453441 yr ± 3.06e-05
Physical Parameters
H (abs. magnitude)21.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.222″
Uncertainty1
Orbit TypeApollo
MOID0.051860 AU
Observations Used42
Oppositions1
Arc Total2018-2019
First Observation Used2018-11-06
Last Observation Used2019-05-04
Observations (44)
Date Type RA Dec Mag Band Observatory
2018-11-06 13:52:15 C 04 10 55.974 +12 03 53.22 – V F52
2018-11-06 14:12:44 C 04 10 55.140 +12 03 40.86 – V F52
2018-11-06 14:33:15 C 04 10 54.267 +12 03 27.73 – V F52
2018-11-13 09:11:25 C 04 03 14.882 +10 14 41.11 – V F52
2018-11-13 09:31:06 C 04 03 13.699 +10 14 26.95 – V F52
2018-11-13 09:50:52 C 04 03 12.523 +10 14 12.49 – V F52
2018-11-13 10:10:38 C 04 03 11.349 +10 13 58.47 – V F52
2018-12-14 05:55:06 C 02 59 39.03 -01 06 20.8 – V G96
2018-12-14 06:03:31 C 02 59 38.19 -01 06 29.1 – V G96
2018-12-14 06:11:51 C 02 59 37.26 -01 06 37.2 – V G96
2018-12-14 06:20:11 C 02 59 36.45 -01 06 44.6 – V G96
2018-12-14 07:55:36 C 02 59 26.33 -01 08 17.3 – V V06
2018-12-14 08:01:52 C 02 59 25.65 -01 08 24.2 – V H01
2018-12-14 08:02:43 C 02 59 25.61 -01 08 24.1 – V V06
2018-12-14 08:08:15 C 02 59 24.97 -01 08 30.4 – V H01
2018-12-14 08:09:49 C 02 59 24.85 -01 08 31.1 – V V06
2018-12-14 08:16:45 C 02 59 24.14 -01 08 38.2 – V G96
2018-12-14 08:16:55 C 02 59 24.10 -01 08 38.3 – V V06
2018-12-14 08:17:51 C 02 59 24.01 -01 08 38.5 – V G96
2018-12-14 08:18:55 C 02 59 23.93 -01 08 40.5 – V G96
2018-12-14 08:23:25 C 02 59 23.41 -01 08 45.1 – V H01
2018-12-14 08:34:51 C 02 59 22.24 -01 08 56.1 – V H01
2018-12-15 05:00:27 C 02 57 20.14 -01 28 43.3 – V G96
2018-12-15 05:05:29 C 02 57 19.58 -01 28 48.6 – V G96
2018-12-15 05:10:29 C 02 57 19.06 -01 28 53.1 – V G96
2018-12-15 05:17:34 C 02 57 18.29 -01 28 59.7 – V G96
2018-12-27 02:45:09 C 02 30 08.14 -05 46 09.2 – u 807
2018-12-27 02:53:06 C 02 30 07.39 -05 46 16.0 – u 807
2018-12-27 03:01:13 C 02 30 06.63 -05 46 22.7 – u 807
2019-01-02 06:25:30 C 02 17 39.773 -07 44 11.72 – U F51
2019-01-02 06:43:37 C 02 17 38.182 -07 44 25.52 – U F51
2019-01-02 07:01:40 C 02 17 36.604 -07 44 39.22 – U F51
2019-01-02 07:19:47 C 02 17 35.023 -07 44 52.98 – U F51
2019-01-08 05:16:18 C 02 06 36.098 -09 30 23.25 – U F51
2019-01-08 05:35:49 C 02 06 34.483 -09 30 37.41 – U F51
2019-01-08 05:55:23 C 02 06 32.869 -09 30 51.58 – U F51
2019-01-08 06:14:57 C 02 06 31.264 -09 31 05.93 – U F51
2019-01-26 01:32:47 C 01 31 48.78 -15 09 06.8 – U 807
2019-01-26 01:41:08 C 01 31 47.89 -15 09 14.6 – U 807
2019-01-26 01:50:04 C 01 31 46.91 -15 09 23.1 – U 807
2019-05-04 10:16:29 C 20 05 26.86 -08 05 29.2 – V V06
2019-05-04 10:34:32 C 20 05 26.19 -08 05 23.1 – V V06
2019-05-04 10:42:32 C 20 05 25.90 -08 05 21.0 – V V06
2019-05-04 10:50:32 C 20 05 25.58 -08 05 18.0 – V V06