2018 XN4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5945987000
Semi-major axis (a)2.6715621000 AU
Inclination (i)7.63091000°
Long. of Asc. Node (Ω)259.05832000°
Arg. of Perihelion (ω)181.43809000°
Mean Anomaly (M)213.09432000°
Mean Motion (n)0.2257127900°/day
Perihelion dist (q)1.08305470 AU
Aphelion dist (Q)4.26006950 AU
Orbital Period4.36664520 yr
Physical Parameters
H (abs. magnitude)26.70
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.430″
Uncertainty5
Orbit TypeAmor
MOID0.097713 AU
Observations Used20
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-12-15
Observations (20)
Date Type RA Dec Mag Band Observatory
2018-12-10 06:50:57 C 05 05 42.30 +24 48 43.2 V G96
2018-12-10 06:59:01 C 05 05 45.32 +24 48 12.1 V G96
2018-12-10 07:07:07 C 05 05 48.30 +24 47 41.6 V G96
2018-12-10 07:15:12 C 05 05 51.35 +24 47 11.0 V G96
2018-12-10 08:21:33 C 05 06 15.72 +24 42 55.2 V H01
2018-12-10 08:26:16 C 05 06 17.47 +24 42 37.2 V H01
2018-12-10 08:50:18 C 05 06 26.46 +24 41 04.7 V H01
2018-12-10 08:55:12 C 05 06 28.28 +24 40 45.9 V H01
2018-12-10 11:26:07 C 05 07 25.70 +24 30 59.1 V G96
2018-12-10 11:27:52 C 05 07 26.33 +24 30 54.4 V G96
2018-12-10 11:31:22 C 05 07 27.76 +24 30 40.3 V G96
2018-12-11 05:49:43 C 05 14 44.93 +23 20 18.1 u H21
2018-12-11 06:04:59 C 05 14 50.54 +23 19 19.0 u H21
2018-12-13 07:42:23 C 05 33 43.34 +20 02 44.2 V G96
2018-12-13 07:43:27 C 05 33 43.64 +20 02 39.7 V G96
2018-12-13 07:44:32 C 05 33 43.99 +20 02 36.4 V G96
2018-12-13 07:45:37 C 05 33 44.39 +20 02 31.3 V G96
2018-12-15 07:11:07 C 05 50 43.91 +16 51 52.7 V G96
2018-12-15 07:15:17 C 05 50 45.24 +16 51 37.2 V G96
2018-12-15 07:17:23 C 05 50 45.92 +16 51 28.0 V G96