2013 XZ21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3740093750 ± 3.89e-07
Semi-major axis (a)1.2411070733 AU ± 5.60e-09
Inclination (i)32.02689472° ± 1.98e-05
Long. of Asc. Node (Ω)93.09017142° ± 4.57e-06
Arg. of Perihelion (ω)110.79434539° ± 3.32e-05
Mean Anomaly (M)157.76326527° ± 2.83e-05
Mean Motion (n)0.7128504039°/day ± 4.82e-09
Perihelion dist (q)0.77692139 AU ± 4.83e-07
Aphelion dist (Q)1.70529275 AU ± 4.83e-07
Orbital Period1.38265515 yr ± 9.36e-09
Physical Parameters
H (abs. magnitude)20.53
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.395″
Uncertainty0
Orbit TypeApollo
MOID0.065584 AU
Observations Used154
Oppositions3
Arc Total2013-2025
First Observation Used2013-12-12
Last Observation Used2025-01-04
Observations (162)
Date Type RA Dec Mag Band Observatory
2013-12-12 10:12:43 C 07 53 23.20 +12 26 29.1 q 703
2013-12-12 10:17:03 C 07 53 23.17 +12 26 40.3 q 703
2013-12-12 10:21:24 C 07 53 23.21 +12 26 52.6 q 703
2013-12-12 10:25:45 C 07 53 23.18 +12 27 04.5 q 703
2013-12-12 10:38:28 C 07 53 23.30 +12 27 38.2 q 703
2013-12-12 10:44:26 C 07 53 23.21 +12 27 53.6 q 703
2013-12-12 10:56:23 C 07 53 23.27 +12 28 26.0 q 703
2013-12-12 11:58:45 C 07 53 23.51 +12 31 09.9 q 703
2013-12-12 12:03:36 C 07 53 23.34 +12 31 23.4 q 703
2013-12-12 12:08:28 C 07 53 23.52 +12 31 37.1 q 703
2013-12-13 02:03:15 C 07 53 31.12 +13 09 13.9 u 958
2013-12-13 02:11:19 C 07 53 31.13 +13 09 36.6 u 958
2013-12-13 02:21:58 C 07 53 31.11 +13 10 05.9 u 958
2013-12-13 02:35:15 C 07 53 31.13 +13 10 41.3 u 958
2013-12-13 03:00:25 C 07 53 30.92 +13 11 50.5 t 595
2013-12-13 03:38:03 C 07 53 30.99 +13 13 34.9 t 595
2013-12-13 03:55:00 C 07 53 31.11 +13 14 22.0 q 204
2013-12-13 04:15:16 C 07 53 31.18 +13 15 17.9 q 204
2013-12-13 04:28:01 C 07 53 31.23 +13 15 53.5 q 204
2013-12-13 08:18:31 C 07 53 34.24 +13 26 44.7 q G96
2013-12-13 08:30:00 C 07 53 34.25 +13 27 17.0 q G96
2013-12-13 08:38:13 C 07 53 33.63 +13 27 37.4 u H21
2013-12-13 08:41:28 C 07 53 34.28 +13 27 49.5 q G96
2013-12-13 08:44:39 C 07 53 33.65 +13 27 55.2 u H21
2013-12-13 08:52:56 C 07 53 34.25 +13 28 21.9 q G96
2013-12-13 08:53:08 C 07 53 33.65 +13 28 19.4 u H21
2013-12-14 01:42:03 C 07 53 40.17 +14 16 49.0 q J95
2013-12-14 01:49:23 C 07 53 40.20 +14 17 10.8 q J95
2013-12-14 01:56:52 C 07 53 40.19 +14 17 31.8 q J95
2013-12-14 06:59:49 C 07 53 42.58 +14 32 42.7 q G96
2013-12-14 07:18:05 C 07 53 42.57 +14 33 37.9 q G96
2013-12-14 07:27:14 C 07 53 42.53 +14 34 05.5 q G96
2013-12-14 09:02:30 C 07 53 42.39 +14 38 54.4 o 926
2013-12-14 09:15:25 C 07 53 42.37 +14 39 33.6 o 926
2013-12-14 09:25:47 C 07 53 42.33 +14 40 04.7 o 926
2013-12-15 07:19:53 C 07 53 47.52 +15 48 25.9 t H01
2013-12-15 07:33:55 C 07 53 47.46 +15 49 11.4 t H01
2013-12-15 07:41:10 C 07 53 47.43 +15 49 34.9 t H01
2013-12-15 07:55:59 C 07 53 47.37 +15 50 22.8 t H01
2013-12-22 07:08:17 C 07 52 22.60 +27 20 59.8 N I41
2013-12-22 08:12:25 C 07 52 20.64 +27 26 32.8 N I41
2013-12-22 10:03:02 C 07 52 17.10 +27 36 07.0 N I41
2013-12-22 11:17:00 C 07 52 14.71 +27 42 31.1 N I41
2013-12-22 12:11:29 C 07 52 12.99 +27 47 13.7 N I41
2013-12-22 13:04:34 C 07 52 11.39 +27 51 49.1 N I41
2013-12-23 10:24:55 C 07 51 39.66 +29 46 54.0 q 703
2013-12-23 10:32:10 C 07 51 39.43 +29 47 33.4 q 703
2013-12-23 10:39:25 C 07 51 39.12 +29 48 13.6 q 703
2013-12-23 10:46:41 C 07 51 38.85 +29 48 53.9 q 703
2013-12-25 07:11:50 C 07 50 11.14 +34 09 04.2 18.2 r 718