2013 XS21

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4942763000
Semi-major axis (a)1.9138108000 AU
Inclination (i)3.07905000°
Long. of Asc. Node (Ω)80.37544000°
Arg. of Perihelion (ω)341.19161000°
Mean Anomaly (M)188.72316000°
Mean Motion (n)0.3722678800°/day
Perihelion dist (q)0.96785950 AU
Aphelion dist (Q)2.85976210 AU
Orbital Period2.64757640 yr
Physical Parameters
H (abs. magnitude)29.40
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.560″
Uncertainty6
Orbit TypeApollo
MOID0.000030 AU
Observations Used25
Oppositions1
Arc Total
First Observation Used
Last Observation Used2013-12-14
Observations (25)
Date Type RA Dec Mag Band Observatory
2013-12-12 11:31:59 C 09 14 39.96 +17 40 39.9 q 703
2013-12-12 11:36:20 C 09 14 42.14 +17 44 59.3 q 703
2013-12-12 11:40:42 C 09 14 44.32 +17 49 15.0 q 703
2013-12-12 11:45:03 C 09 14 46.58 +17 53 30.1 q 703
2013-12-12 12:15:15 C 09 15 01.25 +18 21 13.9 q 703
2013-12-12 12:15:40 C 09 15 01.45 +18 21 35.5 q 703
2013-12-12 12:16:03 C 09 15 01.57 +18 21 55.4 q 703
2013-12-12 12:16:26 C 09 15 01.81 +18 22 16.0 q 703
2013-12-12 12:16:50 C 09 15 01.99 +18 22 36.5 q 703
2013-12-12 12:40:27 C 09 15 13.45 +18 42 36.0 q 703
2013-12-12 12:41:54 C 09 15 14.16 +18 43 46.8 q 703
2013-12-12 12:42:27 C 09 15 14.46 +18 44 14.1 q 703
2013-12-12 12:45:13 C 09 15 15.81 +18 46 29.2 q 703
2013-12-12 12:49:50 C 09 15 17.97 +18 50 12.2 q 703
2013-12-13 09:01:10 C 09 28 02.35 +25 34 09.6 q G96
2013-12-13 09:01:42 C 09 28 02.33 +25 34 15.1 q G96
2013-12-13 09:02:14 C 09 28 02.24 +25 34 19.7 q G96
2013-12-13 09:02:47 C 09 28 02.21 +25 34 24.8 q G96
2013-12-13 09:24:00 C 09 27 25.71 +25 35 54.9 u H21
2013-12-13 09:32:41 C 09 27 24.61 +25 37 06.0 u H21
2013-12-13 09:41:20 C 09 27 23.46 +25 38 15.1 u H21
2013-12-14 02:10:52 C 09 30 06.14 +27 02 14.0 q J95
2013-12-14 02:25:54 C 09 30 04.97 +27 03 16.5 q J95
2013-12-14 02:49:59 C 09 30 02.90 +27 04 54.2 q J95
2013-12-14 03:19:55 C 09 30 00.23 +27 06 48.1 q J95