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
2013-12-22 21:50:48 C 05 40 56.41 +30 51 54.2 w 213
2013-12-22 22:14:43 C 05 41 02.84 +30 53 31.4 w 213
2013-12-22 23:11:44 C 05 41 18.21 +30 57 21.6 w 213
2013-12-24 23:01:22 C 05 55 35.73 +34 05 06.3 q G40
2013-12-24 23:16:22 C 05 55 40.00 +34 06 04.5 q G40
2013-12-24 23:26:23 C 05 55 42.86 +34 06 43.2 q G40
2013-12-24 23:46:26 C 05 55 48.56 +34 08 00.5 q G40
2013-12-25 07:28:27 C 05 58 07.64 +34 36 58.7 q H45
2013-12-25 07:29:42 C 05 58 08.02 +34 37 03.3 q H45
2013-12-25 07:30:51 C 05 58 08.31 +34 37 07.5 q H45
2013-12-25 07:32:36 C 05 58 08.86 +34 37 13.9 q H45
2013-12-25 07:34:01 C 05 58 09.24 +34 37 18.9 q H45
2013-12-25 07:35:31 C 05 58 09.66 +34 37 24.6 q H45
2013-12-25 07:36:45 C 05 58 10.02 +34 37 29.3 q H45
2013-12-25 07:38:09 C 05 58 10.47 +34 37 34.8 q H45
2013-12-25 18:14:02 C 06 01 34.85 +35 16 29.0 q C23
2013-12-25 18:29:24 C 06 01 39.59 +35 17 28.1 q C23
2013-12-25 18:35:42 C 06 01 41.53 +35 17 52.3 q C23
2013-12-27 06:54:31 C 06 13 11.92 +37 28 43.5 q H45
2013-12-27 06:55:40 C 06 13 12.27 +37 28 48.2 q H45
2013-12-27 06:56:45 C 06 13 12.63 +37 28 51.8 q H45
2013-12-27 07:02:09 C 06 13 14.23 +37 29 10.0 q H45
2013-12-27 07:04:04 C 06 13 14.79 +37 29 16.9 q H45
2013-12-27 07:05:28 C 06 13 15.23 +37 29 21.2 q H45
2013-12-27 22:55:03 C 06 18 27.10 +38 23 05.1 t K33
2013-12-27 23:13:50 C 06 18 32.97 +38 24 08.7 t K33
2013-12-27 23:29:20 C 06 18 37.47 +38 24 58.2 t 130
2013-12-27 23:30:59 C 06 18 37.99 +38 25 03.6 t 130
2013-12-27 23:33:12 C 06 18 38.65 +38 25 11.1 t 130
2013-12-27 23:35:57 C 06 18 39.53 +38 25 20.2 t 130
2013-12-28 00:14:06 C 06 18 51.48 +38 27 29.1 t K33
2013-12-28 00:31:49 C 06 18 57.06 +38 28 27.8 t K33
2013-12-29 01:13:38 C 06 27 08.33 +39 48 20.2 q Z72
2013-12-29 01:16:57 C 06 27 09.39 +39 48 30.3 q Z72
2013-12-29 01:19:14 C 06 27 10.16 +39 48 37.4 q Z72
2013-12-29 02:20:13 C 06 27 29.53 +39 51 46.6 q Z72
2013-12-29 02:24:47 C 06 27 30.98 +39 51 59.8 q Z72
2013-12-29 06:36:42 C 06 28 56.56 +40 05 33.0 q H45
2013-12-29 06:38:08 C 06 28 56.98 +40 05 37.1 q H45
2013-12-29 06:39:25 C 06 28 57.39 +40 05 40.9 q H45
2013-12-29 06:40:14 C 06 28 57.62 +40 05 43.8 q H45
2013-12-29 06:41:56 C 06 28 58.14 +40 05 48.9 q H45
2013-12-29 06:43:15 C 06 28 58.54 +40 05 52.8 q H45
2013-12-29 21:04:54 C 06 33 50.98 +40 49 06.0 q C23
2013-12-29 21:07:13 C 06 33 51.69 +40 49 12.7 q C23
2013-12-29 21:09:32 C 06 33 52.49 +40 49 19.8 q C23
2013-12-29 21:15:21 C 06 33 55.43 +40 49 49.7 w I99
2013-12-29 21:18:18 C 06 33 56.61 +40 49 57.0 w I99
2013-12-29 21:21:10 C 06 33 57.45 +40 50 05.9 w I99
2013-12-29 22:36:08 C 06 34 20.29 +40 53 52.5 c A24
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)