2018 XD

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5663075000
Semi-major axis (a)1.8369246000 AU
Inclination (i)8.70305000°
Long. of Asc. Node (Ω)242.48447000°
Arg. of Perihelion (ω)121.66158000°
Mean Anomaly (M)304.28998000°
Mean Motion (n)0.3958831900°/day
Perihelion dist (q)0.79666040 AU
Aphelion dist (Q)2.87718880 AU
Orbital Period2.48964250 yr
Physical Parameters
H (abs. magnitude)23.11
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.240″
Uncertainty8
Orbit TypeApollo
MOID0.009528 AU
Observations Used72
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-12-28
Observations (72)
Date Type RA Dec Mag Band Observatory
2018-12-09 02:17:38 C 03 10 21.69 -07 03 44.0 V I52
2018-12-09 03:03:03 C 03 10 43.17 -06 59 37.7 u 807
2018-12-09 03:08:40 C 03 10 46.28 -06 59 20.4 u 807
2018-12-09 03:15:05 C 03 10 49.82 -06 59 00.8 u 807
2018-12-09 06:18:08 C 03 12 33.90 -06 51 36.0 V 703
2018-12-09 06:33:08 C 03 12 42.03 -06 50 52.3 V 703
2018-12-09 06:40:39 C 03 12 46.06 -06 50 28.7 V 703
2018-12-10 02:20:51 C 03 23 08.48 -05 55 10.8 V I52
2018-12-10 02:21:08 C 03 23 08.61 -05 55 10.5 V I52
2018-12-10 02:23:16 C 03 23 09.68 -05 55 04.7 V I52
2018-12-10 02:23:32 C 03 23 09.75 -05 55 04.2 V I52
2018-12-13 02:43:53 C 03 50 33.19 -03 20 10.6 V I52
2018-12-13 02:47:29 C 03 50 34.21 -03 20 03.9 V I52
2018-12-13 02:48:04 C 03 50 34.40 -03 20 02.9 V I52
2018-12-13 02:48:40 C 03 50 34.55 -03 20 01.9 V I52
2018-12-17 05:40:00 C 04 12 58.59 -01 02 34.4 q H21
2018-12-17 05:51:03 C 04 13 00.37 -01 02 22.2 20.0 q H21
2018-12-27 03:51:08 C 04 40 22.07 +02 12 18.4 u 807
2018-12-27 04:03:43 C 04 40 22.95 +02 12 26.4 u 807
2018-12-27 04:16:45 C 04 40 23.84 +02 12 34.6 u 807
2018-12-28 02:26:14 C 04 42 06.12 +02 26 10.7 u 807
2018-12-28 02:36:23 C 04 42 06.78 +02 26 16.8 u 807