2016 XA21

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4628626000
Semi-major axis (a)1.8812859000 AU
Inclination (i)1.20783000°
Long. of Asc. Node (Ω)110.65570000°
Arg. of Perihelion (ω)340.17615000°
Mean Anomaly (M)164.30419000°
Mean Motion (n)0.3819635200°/day
Perihelion dist (q)1.01050900 AU
Aphelion dist (Q)2.75206280 AU
Orbital Period2.58037130 yr
Physical Parameters
H (abs. magnitude)25.80
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.920″
Uncertainty7
Orbit TypeAmor
MOID0.027190 AU
Observations Used36
Oppositions1
Arc Total
First Observation Used
Last Observation Used2017-01-03
Observations (41)
Date Type RA Dec Mag Band Observatory
2016-11-25 06:13:08 C 02 44 17.60 +01 57 20.4 V G96
2016-11-25 06:19:22 C 02 44 18.58 +01 57 20.8 V G96
2016-12-09 09:18:13 C 05 10 19.93 +03 41 23.2 q G96
2016-12-09 09:24:28 C 05 10 24.70 +03 41 27.1 q G96
2016-12-09 09:30:38 C 05 10 29.46 +03 41 31.4 q G96
2016-12-09 10:48:12 C 05 11 29.92 +03 42 22.7 q G96
2016-12-09 10:52:22 C 05 11 33.09 +03 42 25.4 q G96
2016-12-09 10:56:02 C 05 11 36.06 +03 42 28.2 q G96
2016-12-09 11:08:43 C 05 11 46.09 +03 42 36.1 q I52
2016-12-09 11:09:19 C 05 11 46.55 +03 42 36.5 q I52
2016-12-09 11:09:55 C 05 11 47.00 +03 42 37.3 q I52
2016-12-09 11:10:31 C 05 11 47.48 +03 42 37.5 q I52
2016-12-10 05:00:36 C 05 27 17.18 +03 55 20.0 t 705
2016-12-10 05:02:04 C 05 27 18.40 +03 55 21.2 t 705
2016-12-10 05:03:32 C 05 27 19.63 +03 55 22.0 t 705
2016-12-10 10:48:20 C 05 32 05.15 +03 59 27.2 q I52
2016-12-10 10:54:40 C 05 32 10.60 +03 59 31.3 q I52
2016-12-10 10:55:18 C 05 32 10.91 +03 59 31.5 q I52
2016-12-10 10:55:55 C 05 32 11.59 +03 59 32.5 q I52
2016-12-10 19:17:57 C 05 40 04.72 +04 04 39.7 o K51
2016-12-10 19:23:27 C 05 40 09.57 +04 04 43.6 o K51
2016-12-10 19:28:58 C 05 40 14.45 +04 04 48.8 o K51
2016-12-11 03:03:54 C 05 46 54.55 +04 09 56.8 q J95
2016-12-11 03:12:02 C 05 47 01.73 +04 10 01.9 q J95
2016-12-11 11:50:32 C 05 55 00.57 +04 17 08.6 q I52
2016-12-11 11:51:08 C 05 55 01.13 +04 17 08.8 q I52
2016-12-11 11:51:46 C 05 55 01.70 +04 17 09.7 q I52
2016-12-11 11:52:23 C 05 55 02.28 +04 17 09.9 q I52
2016-12-13 00:31:33 C 06 30 47.44 +04 40 31.4 U 204
2016-12-13 00:43:37 C 06 30 58.69 +04 40 38.9 U 204
2016-12-13 00:54:42 C 06 31 09.05 +04 40 45.6 U 204
2016-12-18 06:38:05 C 08 28 22.44 +05 24 25.9 q I52
2016-12-18 06:39:12 C 08 28 23.27 +05 24 26.0 q I52
2016-12-18 06:40:20 C 08 28 24.12 +05 24 25.5 q I52
2016-12-18 06:41:26 C 08 28 24.98 +05 24 25.6 q I52
2016-12-29 09:02:07 C 10 34 55.96 +05 17 14.9 u H21
2016-12-29 09:20:47 C 10 34 59.93 +05 17 16.0 u H21
2016-12-29 09:39:37 C 10 35 03.98 +05 17 16.5 u H21
2017-01-03 15:13:07 C 10 58 58.267 +05 22 55.55 L F51
2017-01-03 15:29:26 C 10 59 00.133 +05 22 56.75 L F51
2017-01-03 15:45:50 C 10 59 01.997 +05 22 57.62 L F51