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
2013-11-08 02:31:36 C 01 58 05.13 +14 32 44.6 q 734
2013-11-08 02:54:55 C 01 58 01.90 +14 33 00.3 q 734
2013-11-08 03:06:35 C 01 58 00.32 +14 33 07.5 q 734
2013-11-08 04:11:46 C 01 57 51.64 +14 33 52.4 o 291
2013-11-08 04:16:01 C 01 57 51.06 +14 33 55.5 o 291
2013-11-08 04:20:16 C 01 57 50.46 +14 33 58.2 o 291
2013-11-09 05:48:10 C 01 54 26.96 +14 50 26.9 N I41
2013-11-09 06:23:58 C 01 54 21.97 +14 50 50.1 N I41
2013-11-09 07:29:45 C 01 54 12.83 +14 51 32.2 N I41
2013-11-12 00:44:29 C 01 45 41.24 +15 33 12.8 t 204
2013-11-12 01:04:32 C 01 45 38.56 +15 33 24.7 t 204
2013-11-12 01:24:46 C 01 45 35.90 +15 33 37.3 t 204
2013-11-17 05:32:29 C 01 30 22.77 +16 50 57.6 o 711
2013-11-17 05:36:47 C 01 30 22.24 +16 50 59.8 o 711
2013-11-17 05:40:57 C 01 30 21.70 +16 51 02.9 o 711
2013-11-19 03:52:24 C 01 25 09.13 +17 18 53.8 q 448
2013-11-19 04:35:50 C 01 25 03.96 +17 19 19.5 q 448
2013-11-19 05:33:53 C 01 24 57.20 +17 19 54.9 q 448
2013-11-25 03:00:17 C 01 10 53.39 +18 42 18.9 u H21
2013-11-25 03:20:26 C 01 10 51.46 +18 42 30.2 u H21
2013-11-27 05:36:28 C 01 06 36.65 +19 10 59.8 o 291
2013-11-27 05:39:40 C 01 06 36.40 +19 11 01.6 o 291
2013-11-27 05:42:51 C 01 06 36.14 +19 11 03.2 o 291
2013-12-03 02:47:43 C 00 56 58.47 +20 29 28.4 o 291
2013-12-03 02:56:31 C 00 56 58.01 +20 29 33.6 o 291
2013-12-07 03:14:19 C 00 52 17.98 +21 22 42.5 o 695
2013-12-07 03:20:13 C 00 52 17.71 +21 22 45.7 o 695
2013-12-07 03:23:16 C 00 52 17.56 +21 22 47.3 o 695
2013-12-07 03:27:19 C 00 52 17.37 +21 22 49.6 o 695
2013-12-07 03:30:23 C 00 52 17.24 +21 22 51.2 o 695
2013-12-23 02:56:04 C 00 47 28.43 +25 02 04.0 o 291
2013-12-23 03:03:53 C 00 47 28.50 +25 02 08.7 o 291
2013-12-27 04:54:14 C 00 49 13.91 +26 01 14.7 o 291
2013-12-27 05:02:33 C 00 49 14.06 +26 01 19.6 o 291
2013-12-27 05:10:53 C 00 49 14.23 +26 01 25.2 o 291
2013-12-31 02:57:08 C 00 51 55.07 +26 59 35.5 o 291
2013-12-31 03:03:22 C 00 51 55.25 +26 59 39.6 o 291
2013-12-31 03:09:38 C 00 51 55.42 +26 59 43.0 o 291
2014-01-01 04:39:47 C 00 52 48.04 +27 15 45.8 o 291
2014-01-01 04:46:03 C 00 52 48.27 +27 15 49.6 o 291
2014-01-01 04:52:21 C 00 52 48.46 +27 15 52.9 o 291
2014-01-02 06:00:04 C 00 53 44.37 +27 31 48.0 o 291
2014-01-02 06:06:34 C 00 53 44.60 +27 31 52.0 o 291
2014-01-02 06:13:04 C 00 53 44.84 +27 31 55.9 o 291
2014-01-03 05:26:07 C 00 54 40.12 +27 46 46.9 o 291
2014-01-03 05:32:21 C 00 54 40.36 +27 46 50.7 o 291
2014-01-03 05:38:36 C 00 54 40.60 +27 46 54.6 o 291
2014-01-21 02:39:30 C 01 20 11.27 +32 35 02.1 o 291
2014-01-21 02:45:27 C 01 20 11.71 +32 35 06.4 o 291
2014-01-21 02:51:24 C 01 20 12.12 +32 35 10.5 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)