2013 XZ9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3943469845 ± 1.77e-06
Semi-major axis (a)1.5254919989 AU ± 4.89e-06
Inclination (i)21.42867167° ± 3.35e-05
Long. of Asc. Node (Ω)71.25948575° ± 6.78e-06
Arg. of Perihelion (ω)315.02424909° ± 1.85e-04
Mean Anomaly (M)143.20099632° ± 1.12e-02
Mean Motion (n)0.5231152429°/day ± 2.51e-06
Perihelion dist (q)0.92391883 AU ± 4.01e-06
Aphelion dist (Q)2.12706517 AU ± 7.33e-06
Orbital Period1.88414751 yr ± 9.05e-06
Physical Parameters
H (abs. magnitude)22.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.572″
Uncertainty2
Orbit TypeApollo
MOID0.017571 AU
Observations Used54
Radar Obs Used4
Oppositions1
Arc Total2013-2013
First Observation Used2013-12-08
Last Observation Used2013-12-26
Observations (55)
Date Type RA Dec Mag Band Observatory
2013-12-08 01:28:56 C 00 18 26.07 +08 42 06.7 q 703
2013-12-08 01:39:49 C 00 18 28.95 +08 45 18.9 q 703
2013-12-08 01:50:40 C 00 18 31.64 +08 48 30.9 q 703
2013-12-08 02:01:33 C 00 18 34.44 +08 51 42.9 q 703
2013-12-08 02:54:55 C 00 18 48.15 +09 07 20.3 q 703
2013-12-08 02:55:33 C 00 18 48.37 +09 07 30.8 q 703
2013-12-08 02:56:11 C 00 18 48.46 +09 07 41.7 q 703
2013-12-08 02:56:49 C 00 18 48.59 +09 07 53.5 q 703
2013-12-08 03:47:00 C 00 19 01.61 +09 22 33.8 q 703
2013-12-08 03:47:45 C 00 19 01.72 +09 22 45.4 q 703
2013-12-08 03:49:11 C 00 19 02.10 +09 23 10.1 q 703
2013-12-08 13:17:09 C 00 21 42.07 +12 05 50.1 q 900
2013-12-08 13:28:00 C 00 21 44.91 +12 08 53.5 q 900
2013-12-08 18:21:42 C 00 23 15.25 +13 30 41.8 u 958
2013-12-08 18:25:36 C 00 23 16.26 +13 31 46.2 u 958
2013-12-08 18:44:41 C 00 23 21.24 +13 37 02.5 u 958
2013-12-08 18:46:35 C 00 23 21.66 +13 37 33.5 u 958
2013-12-08 18:49:00 C 00 23 22.29 +13 38 13.5 u 958
2013-12-08 19:45:33 C 00 23 35.71 +13 53 44.9 q C77
2013-12-08 19:50:55 C 00 23 37.25 +13 55 13.2 q C77
2013-12-08 19:56:21 C 00 23 38.64 +13 56 42.9 q C77
2013-12-08 20:01:52 C 00 23 40.10 +13 58 13.6 q C77
2013-12-08 22:17:35 C 00 24 15.48 +14 35 09.5 t K33
2013-12-08 22:26:44 C 00 24 17.86 +14 37 37.8 t K33
2013-12-08 23:07:08 C 00 24 28.86 +14 48 33.1 t K33
2013-12-09 17:35:32 C 00 29 46.09 +19 37 10.2 u I93
2013-12-09 17:36:00 C 00 29 46.25 +19 37 20.5 u 958
2013-12-09 17:38:03 C 00 29 46.69 +19 37 50.2 u 958
2013-12-09 17:42:43 C 00 29 47.98 +19 39 00.5 u 958
2013-12-09 17:45:53 C 00 29 48.79 +19 39 48.1 u 958
2013-12-09 17:48:52 C 00 29 49.40 +19 40 29.8 u I93
2013-12-09 17:49:43 C 00 29 49.72 +19 40 44.4 u 958
2013-12-09 17:53:45 C 00 29 50.78 +19 41 45.5 u 958
2013-12-09 17:56:42 C 00 29 51.43 +19 42 29.4 u 958
2013-12-09 18:02:13 C 00 29 52.74 +19 43 49.2 u I93
2013-12-09 18:15:10 C 00 29 56.02 +19 47 03.1 u I93
2013-12-09 18:27:49 C 00 29 59.13 +19 50 12.5 u I93
2013-12-09 18:28:13 C 00 29 58.29 +19 50 09.4 r A17
2013-12-09 18:39:31 C 00 30 01.14 +19 52 58.2 r A17
2013-12-09 18:56:57 C 00 30 05.53 +19 57 16.8 r A17
2013-12-12 03:54:02 C 00 45 14.44 +32 07 47.2 u H21
2013-12-12 03:57:23 C 00 45 15.23 +32 08 23.2 u H21
2013-12-12 04:00:57 C 00 45 16.09 +32 09 01.8 u H21
2013-12-13 02:12:06 C 00 50 59.70 +35 55 21.6 u H21
2013-12-13 02:16:41 C 00 51 00.77 +35 56 05.3 u H21
2013-12-13 02:21:35 C 00 51 01.87 +35 56 51.4 u H21
2013-12-13 02:26:18 C 00 51 02.97 +35 57 36.1 u H21
2013-12-14 02:46:44 C 00 57 10.41 +39 33 46.8 o 926
2013-12-14 02:50:00 C 00 57 11.14 +39 34 14.2 o 926
2013-12-14 02:53:17 C 00 57 11.85 +39 34 41.0 o 926
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2013-12-11 23:30:00 -158324.5807 1 Hz 2380 -1 -1
2013-12-11 23:42:00 -158763.0415 0.1 Hz 2380 -1 -1
2013-12-12 00:07:00 84827443.85 4 us 2380 -1 -1
2013-12-12 00:30:00 84920270.77 0.2 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)