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
2013-12-25 07:14:53 C 07 50 10.99 +34 09 23.2 18.3 r 718
2013-12-25 07:17:57 C 07 50 10.82 +34 09 42.9 18.2 r 718
2013-12-25 07:21:00 C 07 50 10.62 +34 10 01.3 18.2 r 718
2013-12-25 09:14:43 C 07 50 04.04 +34 21 50.8 q H45
2013-12-25 09:17:24 C 07 50 03.95 +34 22 06.9 q H45
2013-12-25 09:18:57 C 07 50 03.85 +34 22 16.6 q H45
2013-12-25 09:19:50 C 07 50 03.81 +34 22 21.9 q H45
2013-12-25 09:20:50 C 07 50 03.75 +34 22 28.2 q H45
2013-12-25 09:21:58 C 07 50 03.68 +34 22 35.3 q H45
2013-12-25 09:23:48 C 07 50 03.61 +34 22 46.6 q H45
2013-12-25 09:25:26 C 07 50 03.51 +34 22 56.4 q H45
2013-12-26 10:43:57 C 07 48 55.52 +37 04 37.2 18.2 r 718
2013-12-26 10:52:05 C 07 48 55.13 +37 05 30.0 18.3 r 718
2013-12-26 11:00:12 C 07 48 54.63 +37 06 23.3 18.2 r 718
2013-12-27 04:34:45 C 07 48 03.05 +39 03 56.7 18.1 r 718
2013-12-27 04:37:20 C 07 48 02.87 +39 04 13.6 18.3 r 718
2013-12-27 04:39:53 C 07 48 02.72 +39 04 32.6 17.9 r 718
2013-12-27 08:17:34 C 07 47 47.44 +39 29 38.3 q H45
2013-12-27 08:18:35 C 07 47 47.40 +39 29 45.3 q H45
2013-12-27 08:20:21 C 07 47 47.31 +39 29 57.4 q H45
2013-12-27 08:21:06 C 07 47 47.21 +39 30 02.5 q H45
2013-12-27 08:22:50 C 07 47 47.14 +39 30 14.9 q H45
2013-12-27 08:24:21 C 07 47 47.02 +39 30 24.6 q H45
2013-12-27 08:25:34 C 07 47 46.91 +39 30 32.9 q H45
2013-12-27 08:27:18 C 07 47 46.76 +39 30 44.5 q H45
2013-12-28 01:09:59 C 07 46 45.80 +41 27 19.1 t 130
2013-12-28 01:13:50 C 07 46 45.49 +41 27 46.6 t 130
2013-12-28 01:17:41 C 07 46 45.23 +41 28 14.0 t 130
2013-12-28 01:20:59 C 07 46 44.99 +41 28 37.4 t 130
2013-12-29 20:47:52 C 07 43 28.72 +46 48 24.3 q C77
2013-12-29 20:50:07 C 07 43 28.48 +46 48 42.3 q C77
2013-12-29 20:52:29 C 07 43 28.23 +46 48 59.7 q C77
2013-12-29 20:54:57 C 07 43 27.98 +46 49 18.8 q C77
2013-12-29 20:57:52 C 07 43 27.72 +46 49 41.8 q C77
2013-12-30 00:35:07 C 07 43 05.56 +47 17 29.5 c A24
2013-12-30 00:36:08 C 07 43 05.30 +47 17 35.4 c A24
2013-12-30 00:37:10 C 07 43 05.27 +47 17 43.9 c A24
2013-12-30 00:38:13 C 07 43 05.11 +47 17 53.5 c A24
2013-12-30 01:35:28 C 07 42 59.08 +47 25 11.9 c A24
2013-12-30 01:36:29 C 07 42 59.02 +47 25 18.3 c A24
2013-12-30 01:37:31 C 07 42 58.84 +47 25 28.1 c A24
2013-12-30 01:38:33 C 07 42 58.79 +47 25 34.8 c A24
2013-12-31 07:51:56 C 07 39 50.21 +51 21 39.4 q H45
2013-12-31 07:53:03 C 07 39 50.04 +51 21 48.1 q H45
2013-12-31 07:54:26 C 07 39 49.86 +51 21 58.8 q H45
2013-12-31 07:55:25 C 07 39 49.74 +51 22 07.2 q H45
2013-12-31 07:56:39 C 07 39 49.60 +51 22 16.3 q H45
2013-12-31 07:57:36 C 07 39 49.44 +51 22 24.2 q H45
2013-12-31 07:59:20 C 07 39 49.19 +51 22 38.2 q H45
2013-12-31 08:00:27 C 07 39 49.07 +51 22 46.5 q H45