2013 XU21

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6191553679
Semi-major axis (a)2.4327344764 AU
Inclination (i)4.37897051°
Long. of Asc. Node (Ω)80.23783097°
Arg. of Perihelion (ω)34.41384898°
Mean Anomaly (M)43.28352812°
Mean Motion (n)0.2597517100°/day
Perihelion dist (q)0.92649350 AU
Aphelion dist (Q)3.93900230 AU
Orbital Period3.79442230 yr
Physical Parameters
H (abs. magnitude)26.17
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.997″
Uncertainty
Orbit TypeApollo
MOID0.002528 AU
Observations Used46
Oppositions1
Arc Total2013-2013
First Observation Used
Last Observation Used2013-12-14
Observations (46)
Date Type RA Dec Mag Band Observatory
2013-12-04 06:47:29 C 03 53 16.29 +08 34 34.7 F51
2013-12-04 06:49:19 C 03 53 16.58 +08 34 37.5 F51
2013-12-04 07:05:46 C 03 53 19.22 +08 35 03.2 F51
2013-12-04 07:07:36 C 03 53 19.54 +08 35 06.2 F51
2013-12-13 05:56:27 C 07 19 55.78 +27 46 46.5 q 703
2013-12-13 06:02:59 C 07 20 18.15 +27 47 52.1 q 703
2013-12-13 06:09:31 C 07 20 41.09 +27 48 59.8 q 703
2013-12-13 06:16:02 C 07 21 02.92 +27 50 03.9 q 703
2013-12-13 06:49:00 C 07 22 56.66 +27 55 25.1 q 703
2013-12-13 06:49:33 C 07 22 57.99 +27 55 29.2 q 703
2013-12-13 06:50:07 C 07 23 00.10 +27 55 33.8 q 703
2013-12-13 06:50:40 C 07 23 01.81 +27 55 39.8 q 703
2013-12-13 06:51:14 C 07 23 04.02 +27 55 44.6 q 703
2013-12-13 07:54:34 C 07 26 30.32 +28 04 53.8 q H21
2013-12-13 07:57:50 C 07 26 41.79 +28 05 22.5 q H21
2013-12-13 07:59:22 C 07 26 47.13 +28 05 36.8 q H21
2013-12-13 08:00:39 C 07 26 51.59 +28 05 47.4 q H21
2013-12-13 09:17:01 C 07 31 32.47 +28 17 54.7 q 703
2013-12-13 09:17:34 C 07 31 34.50 +28 18 02.6 q 703
2013-12-13 09:18:08 C 07 31 36.24 +28 18 04.1 q 703
2013-12-13 09:18:42 C 07 31 38.60 +28 18 11.1 q 703
2013-12-13 09:19:16 C 07 31 40.27 +28 18 14.9 q 703
2013-12-14 00:53:25 C 08 34 12.21 +29 43 19.5 q J95
2013-12-14 00:55:56 C 08 34 22.63 +29 43 24.7 q J95
2013-12-14 00:58:29 C 08 34 33.26 +29 43 31.8 q J95
2013-12-14 01:01:18 C 08 34 45.00 +29 43 39.4 q J95
2013-12-14 02:35:05 C 08 41 16.43 +29 48 03.7 u 958
2013-12-14 02:38:21 C 08 41 29.96 +29 48 08.5 u 958
2013-12-14 02:41:40 C 08 41 43.82 +29 48 14.3 u 958
2013-12-14 02:44:55 C 08 41 57.28 +29 48 17.7 u 958
2013-12-14 02:48:17 C 08 42 11.33 +29 48 22.2 u 958
2013-12-14 02:51:38 C 08 42 25.14 +29 48 28.0 u 958
2013-12-14 02:54:53 C 08 42 38.71 +29 48 30.6 u 958
2013-12-14 02:58:08 C 08 42 52.21 +29 48 35.1 u 958
2013-12-14 03:08:07 C 08 43 33.79 +29 48 47.0 u 958
2013-12-14 08:26:52 C 09 06 48.32 +29 48 19.0 q G96
2013-12-14 08:27:16 C 09 06 50.01 +29 48 19.0 q G96
2013-12-14 08:27:41 C 09 06 51.69 +29 48 18.3 q G96
2013-12-14 08:28:05 C 09 06 53.38 +29 48 18.0 q G96
2013-12-14 09:49:26 C 09 12 33.71 +29 46 07.8 q G96
2013-12-14 09:49:46 C 09 12 35.06 +29 46 07.5 q G96
2013-12-14 09:50:05 C 09 12 36.46 +29 46 06.2 q G96
2013-12-14 09:50:24 C 09 12 37.76 +29 46 06.1 q G96
2013-12-14 10:23:49 C 09 14 57.00 +29 44 58.0 o 926
2013-12-14 10:25:32 C 09 15 04.12 +29 44 53.5 o 926
2013-12-14 10:27:14 C 09 15 11.23 +29 44 49.6 o 926