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
2013-12-10 20:24:42 C 04 35 34.71 +11 51 45.6 u 089
2013-12-10 20:31:42 C 04 35 35.76 +11 52 09.7 u 089
2013-12-11 04:12:48 C 04 36 53.36 +12 18 49.2 u H23
2013-12-11 04:33:48 C 04 36 56.40 +12 20 02.2 u H23
2013-12-11 04:54:50 C 04 36 59.62 +12 21 15.1 u H23
2013-12-12 04:54:01 C 04 41 10.93 +13 45 35.0 17.9 r 718
2013-12-12 04:56:35 C 04 41 11.30 +13 45 42.6 17.4 r 718
2013-12-12 04:59:09 C 04 41 11.78 +13 45 52.2 17.3 r 718
2013-12-12 06:32:09 C 04 41 26.79 +13 51 39.5 o 926
2013-12-12 06:45:36 C 04 41 28.93 +13 52 27.8 o 926
2013-12-12 06:55:16 C 04 41 30.49 +13 53 02.7 o 926
2013-12-12 22:08:18 C 04 44 17.10 +14 48 01.4 q A27
2013-12-12 22:25:47 C 04 44 20.25 +14 49 06.6 q A27
2013-12-12 22:30:57 C 04 44 21.04 +14 49 26.2 q A27
2013-12-12 22:33:12 C 04 44 21.51 +14 49 35.0 q A27
2013-12-12 22:43:21 C 04 44 23.19 +14 50 10.2 q A27
2013-12-12 22:51:15 C 04 44 24.58 +14 50 41.6 q A27
2013-12-12 22:52:22 C 04 44 24.71 +14 50 45.7 q A27
2013-12-12 22:56:53 C 04 44 25.52 +14 51 02.6 q A27
2013-12-13 04:26:12 C 04 45 29.49 +15 11 39.2 q 703
2013-12-13 04:32:44 C 04 45 30.59 +15 12 01.5 q 703
2013-12-13 04:45:47 C 04 45 32.91 +15 12 52.7 q 703
2013-12-17 07:46:01 C 05 06 05.83 +21 40 39.5 q H45
2013-12-17 07:49:23 C 05 06 06.55 +21 40 53.0 q H45
2013-12-17 07:50:20 C 05 06 06.75 +21 40 57.7 q H45
2013-12-17 07:51:24 C 05 06 06.98 +21 41 01.7 q H45
2013-12-17 07:56:34 C 05 06 08.12 +21 41 22.6 q H45
2013-12-17 07:57:33 C 05 06 08.28 +21 41 25.7 q H45
2013-12-17 07:58:47 C 05 06 08.54 +21 41 30.8 q H45
2013-12-17 08:00:06 C 05 06 08.88 +21 41 36.3 q H45
2013-12-19 21:51:14 C 05 21 16.53 +25 56 27.1 q C23
2013-12-19 21:55:23 C 05 21 17.62 +25 56 45.6 q C23
2013-12-19 22:01:38 C 05 21 19.11 +25 57 11.7 q C23
2013-12-20 19:29:15 C 05 26 58.70 +27 25 52.7 q C23
2013-12-20 19:33:24 C 05 26 59.70 +27 26 10.0 q C23
2013-12-20 19:35:29 C 05 27 00.28 +27 26 18.8 q C23
2013-12-20 19:39:38 C 05 27 01.32 +27 26 35.5 q C23
2013-12-20 20:36:55 C 05 27 18.16 +27 30 56.3 t G40
2013-12-20 20:51:48 C 05 27 21.95 +27 31 59.1 t G40
2013-12-20 21:06:50 C 05 27 25.79 +27 33 02.5 t G40
2013-12-21 02:52:20 C 05 28 55.043 +27 58 10.30 o 844
2013-12-21 02:56:50 C 05 28 56.190 +27 58 29.26 o 844
2013-12-21 03:00:56 C 05 28 57.211 +27 58 45.41 o 844
2013-12-21 03:05:26 C 05 28 58.312 +27 59 03.51 o 844
2013-12-21 03:09:57 C 05 28 59.400 +27 59 21.98 o 844
2013-12-22 02:54:40 C 05 35 32.076 +29 36 42.14 o 844
2013-12-22 02:59:09 C 05 35 33.276 +29 37 01.42 o 844
2013-12-22 03:03:41 C 05 35 34.400 +29 37 19.82 o 844
2013-12-22 03:08:11 C 05 35 35.577 +29 37 38.49 o 844
2013-12-22 03:12:42 C 05 35 36.721 +29 37 56.66 o 844
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)