2018 XY4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4426438000
Semi-major axis (a)1.6609434000 AU
Inclination (i)2.70980000°
Long. of Asc. Node (Ω)112.63832000°
Arg. of Perihelion (ω)273.99152000°
Mean Anomaly (M)106.81885000°
Mean Motion (n)0.4604386900°/day
Perihelion dist (q)0.92573710 AU
Aphelion dist (Q)2.39614970 AU
Orbital Period2.14058390 yr
Physical Parameters
H (abs. magnitude)25.80
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.320″
Uncertainty8
Orbit TypeApollo
MOID0.034750 AU
Observations Used15
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-12-17
Observations (16)
Date Type RA Dec Mag Band Observatory
2018-12-13 09:37:19 C 03 55 11.405 -00 14 28.77 U F51
2018-12-13 09:54:27 C 03 55 17.076 -00 12 56.54 U F51
2018-12-13 10:11:33 C 03 55 22.742 -00 11 24.64 U F51
2018-12-14 04:29:38 C 04 01 47.04 +01 22 49.8 V I52
2018-12-14 04:33:05 C 04 01 48.16 +01 23 06.5 V I52
2018-12-14 04:37:02 C 04 01 49.30 +01 23 27.5 V I52
2018-12-14 04:39:26 C 04 01 50.00 +01 23 37.2 V I52
2018-12-14 08:45:49 C 04 03 09.563 +01 44 11.89 V 568
2018-12-14 08:47:16 C 04 03 09.995 +01 44 18.99 V 568
2018-12-15 20:24:02 C 04 14 00.37 +04 24 41.5 V L01
2018-12-15 20:25:35 C 04 14 00.79 +04 24 48.3 V L01
2018-12-15 20:30:52 C 04 14 02.16 +04 25 10.0 V L01
2018-12-15 20:31:29 C 04 14 02.35 +04 25 12.7 V L01
2018-12-17 03:56:35 C 04 22 22.00 +06 28 22.3 u H21
2018-12-17 04:14:26 C 04 22 26.10 +06 29 27.5 u H21
2018-12-17 04:37:06 C 04 22 31.30 +06 30 50.3 u H21