2018 XE20

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4219230623 ± 1.30e-05
Semi-major axis (a)2.1675101209 AU ± 6.81e-05
Inclination (i)23.69555038° ± 8.57e-04
Long. of Asc. Node (Ω)118.35207514° ± 4.97e-05
Arg. of Perihelion (ω)283.00499726° ± 5.22e-04
Mean Anomaly (M)84.70166069° ± 3.77e-02
Mean Motion (n)0.3088663352°/day ± 1.46e-05
Perihelion dist (q)1.25298761 AU ± 4.84e-05
Aphelion dist (Q)3.08203263 AU ± 1.01e-04
Orbital Period3.19110946 yr ± 1.50e-04
Physical Parameters
H (abs. magnitude)21.18
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.102″
Uncertainty2
Orbit TypeAmor
MOID0.457579 AU
Observations Used19
Oppositions1
Arc Total2018-2019
First Observation Used2018-12-15
Last Observation Used2019-02-02
Observations (20)
Date Type RA Dec Mag Band Observatory
2018-12-15 13:04:51 C 08 20 17.293 -02 01 13.21 U F51
2018-12-15 13:22:09 C 08 20 16.899 -02 00 51.33 U F51
2018-12-15 13:56:41 C 08 20 16.223 -02 00 07.03 U F51
2018-12-16 11:47:37 C 08 19 55.235 -01 31 47.94 V 568
2018-12-16 11:49:03 C 08 19 55.204 -01 31 46.05 V 568
2018-12-16 11:50:31 C 08 19 55.174 -01 31 44.11 V 568
2018-12-16 11:51:58 C 08 19 55.142 -01 31 42.20 V 568
2018-12-20 06:20:09 C 08 17 58.80 +00 32 12.3 U 807
2018-12-20 06:40:21 C 08 17 58.21 +00 32 41.1 U 807
2018-12-20 06:58:19 C 08 17 57.68 +00 33 06.7 U 807
2019-01-02 08:15:29 C 08 06 16.615 +08 45 24.45 V 568
2019-01-02 08:16:51 C 08 06 16.548 +08 45 26.69 V 568
2019-01-02 08:18:12 C 08 06 16.477 +08 45 29.01 V 568
2019-01-17 05:22:02 C 07 47 51.37 +18 31 23.7 V I52
2019-01-17 05:25:38 C 07 47 51.20 +18 31 29.7 V I52
2019-01-17 05:29:14 C 07 47 51.01 +18 31 35.5 V I52
2019-01-17 05:32:49 C 07 47 50.74 +18 31 41.0 V I52
2019-02-02 03:01:04 C 07 31 36.42 +26 43 21.4 u H21
2019-02-02 03:07:48 C 07 31 36.21 +26 43 28.2 u H21
2019-02-02 03:27:42 C 07 31 35.56 +26 43 48.9 u H21