2018 XD4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5807016000
Semi-major axis (a)1.6905627000 AU
Inclination (i)3.89729000°
Long. of Asc. Node (Ω)236.84796000°
Arg. of Perihelion (ω)118.36060000°
Mean Anomaly (M)81.18318000°
Mean Motion (n)0.4483912800°/day
Perihelion dist (q)0.70885020 AU
Aphelion dist (Q)2.67227520 AU
Orbital Period2.19809740 yr
Physical Parameters
H (abs. magnitude)25.30
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.160″
Uncertainty8
Orbit TypeApollo
MOID0.016995 AU
Observations Used11
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-12-14
Observations (11)
Date Type RA Dec Mag Band Observatory
2018-12-13 09:23:56 C 04 05 19.189 +01 23 03.60 U F51
2018-12-13 09:41:04 C 04 05 23.840 +01 24 13.78 U F51
2018-12-13 09:58:12 C 04 05 28.528 +01 25 24.12 U F51
2018-12-13 10:15:16 C 04 05 33.181 +01 26 33.94 U F51
2018-12-14 08:52:08 C 04 11 44.256 +02 50 33.16 V 568
2018-12-14 08:53:35 C 04 11 44.572 +02 50 38.03 V 568
2018-12-14 08:55:07 C 04 11 44.915 +02 50 43.22 V 568
2018-12-14 08:56:34 C 04 11 45.238 +02 50 48.13 V 568
2018-12-14 21:53:35 C 04 14 47.45 +03 31 43.6 V L01
2018-12-14 21:56:22 C 04 14 47.99 +03 31 51.5 V L01
2018-12-14 22:02:16 C 04 14 49.19 +03 32 09.8 V L01