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
2014-01-02 04:25:14 C 07 33 39.78 +57 21 06.0 17.5 r 718
2014-01-02 04:30:22 C 07 33 38.81 +57 21 48.7 17.2 r 718
2014-01-02 04:35:30 C 07 33 38.02 +57 22 29.9 17.3 r 718
2014-01-02 06:52:50 C 07 33 12.57 +57 41 31.9 q 703
2014-01-02 07:03:03 C 07 33 10.71 +57 42 54.9 q 703
2014-01-02 07:13:16 C 07 33 08.67 +57 44 19.8 q 703
2014-01-03 04:07:52 C 07 29 15.04 +60 35 31.5 18.5 r 718
2014-01-03 04:10:56 C 07 29 14.46 +60 35 55.9 18.7 r 718
2014-01-03 04:14:00 C 07 29 13.79 +60 36 20.9 19.0 r 718
2014-01-03 04:17:03 C 07 29 13.01 +60 36 46.5 18.4 r 718
2014-01-03 10:23:51 C 07 27 46.58 +61 27 03.6 q H45
2014-01-03 10:25:01 C 07 27 46.32 +61 27 11.3 q H45
2014-01-03 10:26:08 C 07 27 45.98 +61 27 21.3 q H45
2014-01-03 10:27:32 C 07 27 45.74 +61 27 32.2 q H45
2014-01-03 10:28:59 C 07 27 45.39 +61 27 44.2 q H45
2014-01-03 10:30:16 C 07 27 45.07 +61 27 53.6 q H45
2014-01-04 00:06:23 C 07 24 40.54 +63 19 42.7 q G40
2014-01-04 00:26:28 C 07 24 35.02 +63 22 27.6 q G40
2014-01-04 00:36:31 C 07 24 32.24 +63 23 50.5 q G40
2014-01-04 00:46:54 C 07 24 29.36 +63 25 16.2 q G40
2014-01-04 01:01:51 C 07 24 25.17 +63 27 18.7 q G40
2014-01-05 06:04:26 C 07 15 54.40 +67 23 06.8 18.8 r 718
2014-01-05 06:07:30 C 07 15 53.54 +67 23 29.6 18.9 r 718
2014-01-05 06:10:33 C 07 15 52.31 +67 23 55.1 18.8 r 718
2014-01-05 06:13:37 C 07 15 51.42 +67 24 18.7 18.5 r 718
2014-01-14 03:42:10 C 23 43 04.79 +83 20 55.9 o 926
2014-01-14 03:49:22 C 23 42 44.73 +83 20 29.6 o 926
2014-01-14 03:55:04 C 23 42 28.67 +83 20 08.7 o 926
2014-01-21 18:40:15 S 21 11 03.526 +70 34 58.58 L C51
2014-01-21 21:50:02 S 21 10 23.110 +70 23 19.50 L C51
2017-12-17 22:06:00 C 02 58 37.401 -17 49 51.70 U J04
2017-12-17 22:31:23 C 02 58 35.096 -17 49 16.50 U J04
2017-12-17 22:57:11 C 02 58 32.761 -17 48 39.62 U J04
2017-12-18 23:11:08 C 02 56 27.756 -17 14 26.86 U J04
2017-12-18 23:25:14 C 02 56 26.533 -17 14 06.51 U J04
2017-12-18 23:39:21 C 02 56 25.308 -17 13 46.37 U J04
2020-12-06 11:15:52 C 11 45 07.06 +17 51 08.2 V V06
2020-12-06 11:19:43 C 11 45 08.11 +17 51 10.5 V V06
2020-12-06 11:23:34 C 11 45 09.17 +17 51 12.8 V V06
2020-12-06 11:27:26 C 11 45 10.28 +17 51 15.8 V V06
2024-11-23 12:24:58 C 05 59 12.002 -12 03 30.17 X F52
2024-11-23 12:38:44 C 05 59 10.903 -12 03 26.16 X F52
2024-11-23 12:52:29 C 05 59 09.797 -12 03 21.68 X F52
2024-11-23 13:06:15 C 05 59 08.724 -12 03 17.33 X F52
2024-12-20 08:47:24 C 04 33 52.245 -00 32 10.16 X F51
2024-12-20 09:04:51 C 04 33 49.005 -00 31 35.62 X F51
2024-12-20 09:22:19 C 04 33 45.752 -00 31 01.09 X F51
2024-12-20 09:39:46 C 04 33 42.513 -00 30 26.49 X F51
2024-12-24 15:23:41 C 04 15 06.82 +03 03 28.8 V D29
2024-12-24 15:44:03 C 04 15 02.93 +03 04 14.4 V D29