2018 XG4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4956767000
Semi-major axis (a)1.9573124000 AU
Inclination (i)6.54105000°
Long. of Asc. Node (Ω)261.08327000°
Arg. of Perihelion (ω)171.48219000°
Mean Anomaly (M)194.61761000°
Mean Motion (n)0.3599265200°/day
Perihelion dist (q)0.98711820 AU
Aphelion dist (Q)2.92750660 AU
Orbital Period2.73835800 yr
Physical Parameters
H (abs. magnitude)27.60
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.470″
Uncertainty6
Orbit TypeApollo
MOID0.005017 AU
Observations Used38
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-12-15
Observations (39)
Date Type RA Dec Mag Band Observatory
2018-12-14 03:37:07 C 01 21 59.88 +05 19 02.5 V G96
2018-12-14 03:45:12 C 01 22 32.95 +05 15 56.3 V G96
2018-12-14 04:01:23 C 01 23 39.61 +05 09 41.3 V G96
2018-12-14 05:34:27 C 01 30 09.53 +04 32 13.5 V H01
2018-12-14 05:40:22 C 01 30 35.16 +04 29 49.0 V H01
2018-12-14 05:44:02 C 01 30 53.51 +04 28 48.6 V I52
2018-12-14 05:44:43 C 01 30 56.47 +04 28 31.3 V I52
2018-12-14 05:45:23 C 01 30 59.35 +04 28 15.2 V I52
2018-12-14 05:46:05 C 01 31 02.33 +04 27 58.2 V I52
2018-12-14 05:57:29 C 01 31 49.66 +04 22 48.8 V H01
2018-12-14 06:15:51 C 01 33 10.27 +04 15 14.3 V H01
2018-12-14 06:33:38 C 01 34 30.89 +04 08 20.1 V I52
2018-12-14 06:34:19 C 01 34 33.93 +04 08 02.2 V I52
2018-12-14 06:35:02 C 01 34 37.12 +04 07 45.4 V I52
2018-12-14 06:35:42 C 01 34 40.12 +04 07 28.2 V I52
2018-12-14 07:28:42 C 01 38 36.33 +03 44 51.9 18.6 q H15
2018-12-14 07:34:06 C 01 39 01.15 +03 42 34.0 18.6 q H15
2018-12-14 07:39:30 C 01 39 26.05 +03 40 16.2 19.2 q H15
2018-12-14 07:44:54 C 01 39 50.98 +03 37 57.1 18.8 q H15
2018-12-14 07:55:53 C 01 40 43.80 +03 33 26.2 V G96
2018-12-14 07:56:13 C 01 40 45.38 +03 33 18.0 V G96
2018-12-14 07:56:33 C 01 40 46.93 +03 33 08.4 V G96
2018-12-14 07:56:53 C 01 40 48.50 +03 33 00.0 V G96
2018-12-14 13:24:21 C 02 08 35.12 +01 03 51.3 r P93
2018-12-14 13:25:41 C 02 08 41.75 +01 03 12.7 r P93
2018-12-14 13:27:01 C 02 08 48.38 +01 02 34.9 r P93
2018-12-14 18:25:06 C 02 36 35.60 -01 28 19.0 V L01
2018-12-14 18:26:56 C 02 36 45.44 -01 29 15.6 V L01
2018-12-14 18:27:33 C 02 36 48.76 -01 29 34.6 V L01
2018-12-14 19:05:05 C 02 40 15.11 -01 48 56.2 V 204
2018-12-14 19:18:02 C 02 41 25.08 -01 55 36.1 V 204
2018-12-14 19:33:11 C 02 42 47.03 -02 03 23.0 V 204
2018-12-14 21:49:55 C 02 55 23.53 -03 15 19.1 V J95
2018-12-14 21:52:35 C 02 55 38.31 -03 16 41.7 V J95
2018-12-14 21:56:29 C 02 55 59.87 -03 18 42.5 V J95
2018-12-14 21:59:14 C 02 56 14.94 -03 20 08.1 V J95
2018-12-15 22:41:56 C 05 11 21.60 -14 00 07.5 V J95
2018-12-15 22:50:42 C 05 12 00.39 -14 02 41.7 V J95
2018-12-15 23:06:02 C 05 13 08.04 -14 07 09.7 V J95