2013 US3

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1851414719 ± 1.19e-08
Semi-major axis (a)1.2019837491 AU ± 3.10e-09
Inclination (i)12.31813156° ± 1.11e-06
Long. of Asc. Node (Ω)39.53703513° ± 9.21e-07
Arg. of Perihelion (ω)134.17390147° ± 5.41e-06
Mean Anomaly (M)296.50641859° ± 6.68e-06
Mean Motion (n)0.7479359048°/day ± 2.89e-09
Perihelion dist (q)0.97944671 AU ± 1.45e-08
Aphelion dist (Q)1.42452079 AU ± 1.48e-08
Orbital Period1.31779512 yr ± 5.09e-09
Physical Parameters
H (abs. magnitude)21.32
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.284″
Uncertainty0
Orbit TypeApollo
MOID0.018448 AU
Observations Used274
Radar Obs Used7
Oppositions1
Arc Total2013-2022
First Observation Used2013-10-24
Last Observation Used2022-02-05
Observations (278)
Date Type RA Dec Mag Band Observatory
2013-10-24 08:17:20 C 02 43 13.39 +10 45 53.7 q G96
2013-10-24 08:24:06 C 02 43 12.60 +10 45 57.7 q G96
2013-10-24 08:30:49 C 02 43 11.79 +10 46 01.8 q G96
2013-10-24 08:37:33 C 02 43 11.01 +10 46 06.2 q G96
2013-10-24 09:29:41 C 02 43 04.89 +10 46 37.2 q G96
2013-10-24 09:31:24 C 02 43 04.66 +10 46 38.2 q G96
2013-10-24 09:33:08 C 02 43 04.48 +10 46 39.4 q G96
2013-10-24 09:34:52 C 02 43 04.26 +10 46 40.2 q G96
2013-10-24 09:36:36 C 02 43 04.03 +10 46 41.4 q G96
2013-10-24 20:58:24 C 02 41 48.55 +10 53 27.7 q 113
2013-10-24 21:10:25 C 02 41 47.10 +10 53 35.3 q 113
2013-10-24 21:22:26 C 02 41 45.77 +10 53 42.4 q 113
2013-10-25 07:45:13 C 02 40 33.55 +11 00 06.6 r H21
2013-10-25 07:49:48 C 02 40 33.03 +11 00 10.1 r H21
2013-10-25 07:56:19 C 02 40 32.20 +11 00 14.1 r H21
2013-10-25 09:47:45 C 02 40 19.20 +11 01 24.7 q G96
2013-10-25 09:56:55 C 02 40 18.11 +11 01 30.1 q G96
2013-10-25 10:05:59 C 02 40 17.01 +11 01 35.5 q G96
2013-10-25 11:49:07 C 02 40 04.69 +11 02 37.9 o 291
2013-10-25 11:51:25 C 02 40 04.42 +11 02 39.3 o 291
2013-10-25 11:53:43 C 02 40 04.15 +11 02 40.6 o 291
2013-10-26 06:23:05 C 02 37 56.65 +11 14 06.0 q G96
2013-10-26 06:30:16 C 02 37 55.77 +11 14 10.5 q G96
2013-10-26 06:44:35 C 02 37 54.00 +11 14 19.5 q G96
2013-10-26 09:11:07 C 02 37 35.84 +11 15 50.6 o 926
2013-10-26 09:31:38 C 02 37 33.29 +11 16 03.1 o 926
2013-10-26 09:55:16 C 02 37 30.36 +11 16 17.6 o 926
2013-10-26 13:01:41 C 02 37 09.98 +11 18 12.5 o 300
2013-10-26 13:08:50 C 02 37 09.04 +11 18 16.8 o 300
2013-10-26 13:15:59 C 02 37 08.22 +11 18 21.0 o 300
2013-10-26 13:23:07 C 02 37 07.35 +11 18 25.7 o 300
2013-10-28 04:51:58 C 02 32 21.19 +11 43 08.9 u H21
2013-10-28 04:58:55 C 02 32 20.29 +11 43 13.5 u H21
2013-10-28 05:05:53 C 02 32 19.41 +11 43 18.1 u H21
2013-10-30 06:37:35 C 02 26 07.36 +12 14 56.6 o 291
2013-10-30 06:39:25 C 02 26 07.11 +12 14 57.5 o 291
2013-10-30 06:41:16 C 02 26 06.86 +12 14 59.0 o 291
2013-10-30 07:07:20 C 02 26 03.34 +12 15 15.8 o 926
2013-10-30 07:29:06 C 02 26 00.43 +12 15 29.7 o 926
2013-10-30 07:45:21 C 02 25 58.25 +12 15 40.1 o 926
2013-10-31 10:01:59 C 02 22 34.85 +12 32 35.6 o 291
2013-10-31 10:03:48 C 02 22 34.59 +12 32 36.9 o 291
2013-10-31 10:05:37 C 02 22 34.35 +12 32 37.8 o 291
2013-11-01 05:10:40 C 02 20 07.10 +12 45 00.2 q G96
2013-11-01 05:21:08 C 02 20 05.68 +12 45 07.1 q G96
2013-11-01 05:31:37 C 02 20 04.24 +12 45 13.8 q G96
2013-11-01 05:42:06 C 02 20 02.79 +12 45 20.8 q G96
2013-11-07 09:40:43 C 02 00 18.09 +14 21 49.8 o 291
2013-11-07 09:44:59 C 02 00 17.48 +14 21 52.7 o 291
2013-11-07 09:49:14 C 02 00 16.91 +14 21 55.0 o 291
Radar Observations (7)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2018-04-24 03:40:00 295714.4 0.2 Hz 8560 -14 -14
2018-04-24 04:10:00 293804.508 0.031 Hz 8560 -14 -14
2018-04-24 04:40:00 34630198 10 us 8560 -14 -14
2018-04-24 06:00:00 34468117 2 us 8560 -14 -14
2018-04-26 00:40:00 233213.844 0.05 Hz 8560 -14 -14
2018-04-26 01:50:00 29774313.76 0.25 us 8560 -14 -14
2018-05-01 03:10:00 -112524.579 0.05 Hz 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)