2016 XA18

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8319981000
Semi-major axis (a)1.9461181000 AU
Inclination (i)17.78294000°
Long. of Asc. Node (Ω)262.41721000°
Arg. of Perihelion (ω)294.63366000°
Mean Anomaly (M)91.38969000°
Mean Motion (n)0.3630365000°/day
Perihelion dist (q)0.32695150 AU
Aphelion dist (Q)3.56528470 AU
Orbital Period2.71489970 yr
Physical Parameters
H (abs. magnitude)23.10
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.390″
Uncertainty7
Orbit TypeApollo
MOID0.017734 AU
Observations Used105
Oppositions1
Arc Total
First Observation Used
Last Observation Used2016-12-12
Observations (112)
Date Type RA Dec Mag Band Observatory
2016-12-06 16:59:36 C 04 12 57.64 +48 16 48.5 S 033
2016-12-06 17:02:55 C 04 12 54.59 +48 16 54.1 S 033
2016-12-06 19:02:29 C 04 11 04.12 +48 20 10.3 S 033
2016-12-06 19:05:49 C 04 11 01.02 +48 20 15.6 S 033
2016-12-06 19:09:07 C 04 10 57.88 +48 20 20.9 S 033
2016-12-06 21:17:21 C 04 08 54.80 +48 23 44.4 q 246
2016-12-06 21:19:04 C 04 08 53.19 +48 23 46.3 q 246
2016-12-06 21:19:50 C 04 08 52.37 +48 23 46.9 q 246
2016-12-06 22:27:55 C 04 07 45.64 +48 25 29.8 S 595
2016-12-06 22:34:32 C 04 07 39.68 +48 25 42.1 q C77
2016-12-06 22:45:20 C 04 07 29.01 +48 25 57.8 q C77
2016-12-06 22:51:04 C 04 07 23.91 +48 26 07.9 U 958
2016-12-06 22:54:15 C 04 07 19.58 +48 26 08.1 S 595
2016-12-06 22:56:34 C 04 07 17.76 +48 26 13.4 q C77
2016-12-06 22:59:19 C 04 07 15.68 +48 26 18.7 U 958
2016-12-06 23:07:28 C 04 07 06.39 +48 26 25.2 S 595
2016-12-06 23:07:35 C 04 07 07.51 +48 26 30.5 U 958
2016-12-07 05:12:09 C 04 00 58.95 +48 34 56.4 u H21
2016-12-07 05:14:19 C 04 00 56.63 +48 34 59.3 u H21
2016-12-07 05:17:55 C 04 00 52.77 +48 35 04.0 u H21
2016-12-07 23:59:36 C 03 38 47.09 +48 53 59.1 q 203
2016-12-08 00:17:37 C 03 38 22.80 +48 54 08.6 q 203
2016-12-08 00:35:29 C 03 37 58.61 +48 54 16.6 q 203
2016-12-08 06:00:47 C 03 30 31.57 +48 57 11.4 q H36
2016-12-08 06:21:16 C 03 30 01.62 +48 57 16.2 q H36
2016-12-08 08:54:32 C 03 26 15.28 +48 57 42.1 q I52
2016-12-08 08:56:25 C 03 26 12.41 +48 57 41.9 q I52
2016-12-08 08:58:20 C 03 26 09.55 +48 57 41.6 q I52
2016-12-08 09:01:15 C 03 26 05.16 +48 57 41.5 q I52
2016-12-08 11:56:55 C 03 21 48.99 +48 57 57.2 o 300
2016-12-08 12:00:29 C 03 21 43.45 +48 57 57.5 o 300
2016-12-08 12:04:01 C 03 21 38.01 +48 57 57.2 o 300
2016-12-08 12:07:37 C 03 21 32.36 +48 57 56.3 o 300
2016-12-08 12:11:10 C 03 21 26.74 +48 57 56.3 o 300
2016-12-09 03:58:13 C 02 54 30.83 +48 43 47.1 q G96
2016-12-09 04:04:32 C 02 54 18.57 +48 43 36.1 q G96
2016-12-09 04:10:44 C 02 54 06.79 +48 43 24.7 q G96
2016-12-09 04:17:00 C 02 53 54.68 +48 43 13.4 q G96
2016-12-09 07:02:41 C 02 48 30.43 +48 37 20.6 q G96
2016-12-09 07:03:55 C 02 48 28.00 +48 37 17.7 q G96
2016-12-09 07:06:17 C 02 48 23.30 +48 37 11.7 q G96
2016-12-10 07:00:06 C 01 55 02.32 +46 44 26.2 o 291
2016-12-10 07:03:32 C 01 54 53.58 +46 43 58.5 o 291
2016-12-10 07:07:00 C 01 54 44.80 +46 43 30.8 o 291
2016-12-10 07:55:18 C 01 52 41.64 +46 36 52.9 q I52
2016-12-10 07:55:55 C 01 52 40.10 +46 36 47.2 q I52
2016-12-10 07:56:43 C 01 52 38.03 +46 36 40.9 q I52
2016-12-10 07:59:44 C 01 52 30.35 +46 36 15.6 q I52
2016-12-10 20:32:47 C 01 19 20.56 +44 27 34.9 U 204
2016-12-10 20:40:08 C 01 18 59.93 +44 26 00.7 U 204