2013 UR4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5168433024 ± 2.00e+00
Semi-major axis (a)2.3115469708 AU ± 3.00e+00
Inclination (i)5.65923355° ± 4.00e+00
Long. of Asc. Node (Ω)25.82175822° ± 5.00e+00
Arg. of Perihelion (ω)13.06654013° ± 6.00e+00
Mean Anomaly (M)155.36847954° ± 1.44e+00
Mean Motion (n)0.2804517743°/day ± 5.46e-01
Perihelion dist (q)1.11683940 AU ± 4.84e+00
Aphelion dist (Q)3.50625454 AU ± 6.49e+00
Orbital Period3.51442342 yr ± 6.84e+00
Physical Parameters
H (abs. magnitude)24.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-02
RMS Residual0.266″
Uncertainty4
Orbit TypeAmor
MOID0.123875 AU
Observations Used43
Oppositions1
Arc Total2013-2013
First Observation Used2013-10-12
Last Observation Used2013-11-06
Observations (43)
Date Type RA Dec Mag Band Observatory
2013-10-12 07:53:57 C 00 55 39.310 -00 53 13.60 V G96
2013-10-12 08:16:23 C 00 55 40.940 -00 52 18.00 V G96
2013-10-12 08:27:43 C 00 55 41.790 -00 51 49.90 V G96
2013-10-25 05:41:05 C 01 30 26.45 +14 32 47.0 q G96
2013-10-25 05:48:40 C 01 30 27.33 +14 33 11.8 q G96
2013-10-25 05:56:12 C 01 30 28.24 +14 33 37.2 q G96
2013-10-25 06:03:42 C 01 30 29.12 +14 34 02.9 q G96
2013-10-25 06:42:04 C 01 30 33.66 +14 36 11.1 q G96
2013-10-25 06:51:25 C 01 30 34.74 +14 36 42.2 q G96
2013-10-25 07:00:46 C 01 30 35.87 +14 37 13.7 q G96
2013-10-25 07:10:06 C 01 30 36.96 +14 37 44.8 q G96
2013-10-26 03:04:56 C 01 33 25.65 +15 44 24.7 o 291
2013-10-26 03:07:28 C 01 33 25.97 +15 44 33.3 o 291
2013-10-26 03:09:59 C 01 33 26.31 +15 44 41.9 o 291
2013-10-26 05:38:09 C 01 33 43.05 +15 52 56.8 u H21
2013-10-26 05:54:13 C 01 33 45.04 +15 53 50.7 u H21
2013-10-26 06:06:20 C 01 33 48.10 +15 54 41.0 o 926
2013-10-26 06:11:00 C 01 33 47.11 +15 54 46.7 u H21
2013-10-26 06:17:43 C 01 33 49.48 +15 55 19.8 o 926
2013-10-26 06:29:07 C 01 33 50.85 +15 55 57.9 o 926
2013-10-26 07:00:14 C 01 33 55.44 +15 57 34.7 t G58
2013-10-26 07:08:38 C 01 33 56.50 +15 58 02.7 t G58
2013-10-26 07:17:02 C 01 33 57.50 +15 58 31.5 t G58
2013-10-26 07:30:08 C 01 33 58.32 +15 59 21.2 q G96
2013-10-26 07:39:15 C 01 33 59.40 +15 59 51.3 q G96
2013-10-26 07:48:21 C 01 34 00.45 +16 00 22.1 q G96
2013-10-26 07:57:27 C 01 34 01.66 +16 00 52.3 q G96
2013-10-27 06:56:37 C 01 37 18.11 +17 18 08.3 q G96
2013-10-27 07:05:58 C 01 37 19.31 +17 18 39.3 q G96
2013-10-27 07:15:22 C 01 37 20.45 +17 19 11.1 q G96
2013-10-27 07:24:42 C 01 37 21.59 +17 19 42.1 q G96
2013-10-28 03:31:16 C 01 40 20.44 +18 27 08.7 o 926
2013-10-28 03:41:11 C 01 40 21.77 +18 27 42.9 o 926
2013-10-28 03:50:47 C 01 40 23.05 +18 28 15.3 o 926
2013-10-28 04:18:49 C 01 40 25.05 +18 29 43.9 u H21
2013-10-28 04:30:38 C 01 40 26.59 +18 30 23.7 u H21
2013-10-28 04:42:28 C 01 40 28.10 +18 31 03.6 u H21
2013-10-30 07:41:11 C 01 48 04.82 +21 20 52.9 o 926
2013-10-30 07:49:22 C 01 48 05.91 +21 21 19.7 o 926
2013-10-30 08:01:26 C 01 48 07.54 +21 21 58.9 o 926
2013-11-06 03:44:28 C 02 14 45.30 +29 47 20.0 o 926
2013-11-06 03:55:41 C 02 14 47.09 +29 47 52.5 o 926
2013-11-06 04:09:52 C 02 14 49.26 +29 48 34.1 o 926