2013 US4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0816998758
Semi-major axis (a)1.0747656402 AU
Inclination (i)10.00554553°
Long. of Asc. Node (Ω)29.58772678°
Arg. of Perihelion (ω)279.70651318°
Mean Anomaly (M)17.66197065°
Mean Motion (n)0.8845885600°/day
Perihelion dist (q)0.98696540 AU
Aphelion dist (Q)1.16253980 AU
Orbital Period1.11419900 yr
Physical Parameters
H (abs. magnitude)26.25
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.397″
Uncertainty
Orbit TypeApollo
MOID0.049505 AU
Observations Used37
Oppositions1
Arc Total2013-2013
First Observation Used
Last Observation Used2013-10-28
Observations (40)
Date Type RA Dec Mag Band Observatory
2013-10-23 09:35:00 C 02 02 16.58 +13 56 11.0 V G96
2013-10-23 09:42:35 C 02 02 14.14 +13 56 57.1 V G96
2013-10-23 09:50:11 C 02 02 11.78 +13 57 41.5 V G96
2013-10-24 07:37:41 C 01 56 14.115 +16 05 39.85 V F51
2013-10-24 07:55:12 C 01 56 08.690 +16 07 20.61 V F51
2013-10-24 11:27:25 C 01 55 01.401 +16 27 24.15 V F51
2013-10-24 11:45:30 C 01 54 55.697 +16 29 04.68 V F51
2013-10-25 06:49:04 C 01 49 48.55 +18 12 53.9 q G96
2013-10-25 06:58:25 C 01 49 45.69 +18 13 43.7 q G96
2013-10-25 07:07:46 C 01 49 42.78 +18 14 33.7 q G96
2013-10-25 07:17:05 C 01 49 39.98 +18 15 22.9 q G96
2013-10-25 07:56:59 C 01 49 27.83 +18 18 53.9 q G96
2013-10-25 08:07:10 C 01 49 24.73 +18 19 47.4 q G96
2013-10-25 08:17:26 C 01 49 21.68 +18 20 40.8 q G96
2013-10-25 08:40:09 C 01 49 14.80 +18 22 39.8 q G96
2013-10-25 08:50:40 C 01 49 11.59 +18 23 35.3 q G96
2013-10-25 09:01:13 C 01 49 08.46 +18 24 29.2 q G96
2013-10-25 09:11:47 C 01 49 05.35 +18 25 24.0 q G96
2013-10-25 10:12:48 C 01 48 47.33 +18 30 39.6 q G96
2013-10-25 10:22:54 C 01 48 44.49 +18 31 29.7 q G96
2013-10-25 10:32:59 C 01 48 41.49 +18 32 22.7 q G96
2013-10-25 10:43:05 C 01 48 38.53 +18 33 16.1 q G96
2013-10-26 04:14:31 C 01 44 11.23 +20 03 00.6 q H21
2013-10-26 04:25:10 C 01 44 08.14 +20 03 54.1 q H21
2013-10-26 04:36:22 C 01 44 04.85 +20 04 50.2 q H21
2013-10-26 04:47:17 C 01 44 01.68 +20 05 45.1 q H21
2013-10-26 05:42:41 C 01 43 48.66 +20 10 36.0 q G96
2013-10-26 05:52:06 C 01 43 45.94 +20 11 22.3 q G96
2013-10-26 06:01:32 C 01 43 43.11 +20 12 10.0 q G96
2013-10-26 06:10:58 C 01 43 40.34 +20 12 56.8 q G96
2013-10-26 07:56:53 C 01 43 09.21 +20 21 41.7 o 926
2013-10-26 08:03:21 C 01 43 07.31 +20 22 13.4 o 926
2013-10-26 08:09:53 C 01 43 05.42 +20 22 45.0 o 926
2013-10-27 06:55:45 C 01 37 23.18 +22 10 53.7 q G96
2013-10-27 07:05:07 C 01 37 20.47 +22 11 36.9 q G96
2013-10-27 07:14:28 C 01 37 17.82 +22 12 21.0 q G96
2013-10-27 07:23:51 C 01 37 15.18 +22 13 02.6 q G96
2013-10-28 04:36:15 C 01 32 12.46 +23 46 39.4 o 926
2013-10-28 04:43:39 C 01 32 10.46 +23 47 11.5 o 926
2013-10-28 04:51:00 C 01 32 08.49 +23 47 43.6 o 926