2013 XA4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5828135908 ± 1.02e-05
Semi-major axis (a)2.6935296039 AU ± 5.82e-05
Inclination (i)8.39057975° ± 1.19e-04
Long. of Asc. Node (Ω)85.07043530° ± 1.00e-04
Arg. of Perihelion (ω)7.31505116° ± 2.94e-04
Mean Anomaly (M)253.94513449° ± 3.12e-02
Mean Motion (n)0.2229613814°/day ± 7.23e-06
Perihelion dist (q)1.12370394 AU ± 3.66e-05
Aphelion dist (Q)4.26335526 AU ± 9.61e-05
Orbital Period4.42061436 yr ± 1.43e-04
Physical Parameters
H (abs. magnitude)21.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.431″
Uncertainty2
Orbit TypeAmor
MOID0.140353 AU
Observations Used257
Radar Obs Used2
Oppositions1
Arc Total2013-2014
First Observation Used2013-11-23
Last Observation Used2014-02-04
Observations (269)
Date Type RA Dec Mag Band Observatory
2013-12-29 22:37:11 C 06 34 20.60 +40 53 55.2 c A24
2013-12-29 23:36:23 C 06 34 39.40 +40 56 51.8 c A24
2013-12-29 23:37:25 C 06 34 39.64 +40 56 54.3 c A24
2013-12-29 23:56:36 C 06 34 46.84 +40 57 57.3 u J27
2013-12-30 00:12:17 C 06 34 51.80 +40 58 43.8 u J27
2013-12-30 00:20:26 C 06 34 54.35 +40 59 08.0 u J27
2013-12-30 00:34:46 C 06 34 58.90 +40 59 50.9 w I76
2013-12-30 00:40:01 C 06 35 00.52 +41 00 05.6 w I76
2013-12-30 00:45:18 C 06 35 02.13 +41 00 22.1 w I76
2013-12-30 00:50:32 C 06 35 03.82 +41 00 36.8 w I76
2013-12-30 00:55:48 C 06 35 05.52 +41 00 52.8 w I76
2013-12-30 01:01:03 C 06 35 07.19 +41 01 07.9 w I76
2013-12-31 06:55:35 C 06 45 14.94 +42 25 41.9 q H45
2013-12-31 06:57:42 C 06 45 15.65 +42 25 47.4 q H45
2013-12-31 06:58:32 C 06 45 15.90 +42 25 49.7 q H45
2013-12-31 06:59:32 C 06 45 16.23 +42 25 52.6 q H45
2013-12-31 07:00:41 C 06 45 16.59 +42 25 55.8 q H45
2013-12-31 07:02:16 C 06 45 17.11 +42 25 59.7 q H45
2013-12-31 07:03:56 C 06 45 17.64 +42 26 04.3 q H45
2013-12-31 22:24:52 C 06 50 33.12 +43 06 11.6 c A24
2013-12-31 22:25:54 C 06 50 33.48 +43 06 14.7 c A24
2014-01-01 00:35:11 C 06 51 14.91 +43 11 44.6 c A24
2014-01-01 00:36:14 C 06 51 15.27 +43 11 47.1 c A24
2014-01-02 20:28:35 C 07 06 13.39 +44 54 41.5 q C23
2014-01-02 20:30:45 C 07 06 14.16 +44 54 46.6 q C23
2014-01-02 20:33:59 C 07 06 15.15 +44 54 54.2 q C23
2014-01-02 20:38:18 C 07 06 16.58 +44 55 03.7 q C23
2014-01-03 10:15:41 C 07 10 44.68 +45 23 55.1 q H45
2014-01-03 10:16:46 C 07 10 45.03 +45 23 57.0 q H45
2014-01-03 10:18:39 C 07 10 45.63 +45 24 00.8 q H45
2014-01-03 10:19:31 C 07 10 45.93 +45 24 02.4 q H45
2014-01-03 10:20:29 C 07 10 46.22 +45 24 04.2 q H45
2014-01-03 10:22:14 C 07 10 46.78 +45 24 07.6 q H45
2014-01-04 02:36:38 C 07 16 14.13 +45 56 05.1 18.0 K90
2014-01-04 02:37:43 C 07 16 14.49 +45 56 07.1 18.4 K90
2014-01-04 02:38:50 C 07 16 14.85 +45 56 09.0 18.1 K90
2014-01-04 02:39:55 C 07 16 15.21 +45 56 11.4 18.0 K90
2014-01-04 08:34:18 C 07 18 14.58 +46 07 37.4 q H45
2014-01-04 08:37:11 C 07 18 15.41 +46 07 43.0 q H45
2014-01-04 08:38:18 C 07 18 15.76 +46 07 45.7 q H45
2014-01-04 08:39:37 C 07 18 16.23 +46 07 47.2 q H45
2014-01-04 08:41:10 C 07 18 16.68 +46 07 50.0 q H45
2014-01-04 08:43:10 C 07 18 17.35 +46 07 53.8 q H45
2014-01-04 08:44:38 C 07 18 17.74 +46 07 56.4 q H45
2014-01-04 08:47:09 C 07 18 18.48 +46 08 01.4 q H45
2014-01-10 00:52:00 C 08 01 01.13 +49 09 35.9 q C23
2014-01-10 00:54:55 C 08 01 01.90 +49 09 38.4 q C23
2014-01-10 00:58:20 C 08 01 02.78 +49 09 41.3 q C23
2014-01-10 01:01:13 C 08 01 03.57 +49 09 43.5 q C23
2014-01-10 04:13:02 C 08 02 04.32 +49 12 30.5 q 703
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2013-12-16 03:45:00 37142.083 1 Hz 2380 -1 -1
2013-12-16 04:10:00 36329.8101 0.5 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)