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
2018-04-19 08:45:36 C 11 40 21.04 +77 05 07.3 o 291
2018-04-21 21:27:59 C 11 47 25.66 +69 27 06.5 U K87
2018-04-21 21:34:37 C 11 47 25.53 +69 26 05.0 U K87
2018-04-21 21:45:12 C 11 47 25.34 +69 24 26.7 U K87
2018-04-21 21:58:29 C 11 47 25.08 +69 22 23.1 U K87
2018-04-21 22:11:21 C 11 47 24.75 +69 20 23.1 U K87
2018-04-22 22:38:29 C 11 49 19.58 +65 14 45.6 U K38
2018-04-22 22:54:24 C 11 49 19.15 +65 11 47.3 U K38
2018-04-22 23:07:18 C 11 49 18.79 +65 09 22.0 U K38
2018-04-24 09:32:09 C 11 51 41.26 +58 03 12.2 U T05
2018-04-24 09:46:10 C 11 51 40.44 +57 59 50.5 U T05
2018-04-24 10:10:18 C 11 51 39.14 +57 54 01.8 U T05
2018-04-24 10:15:34 C 11 51 38.90 +57 52 45.3 U T05
2018-04-25 05:51:12 C 11 53 00.46 +52 56 40.9 U 703
2018-04-25 05:58:54 C 11 53 00.04 +52 54 35.0 U 703
2018-04-25 06:06:35 C 11 52 59.64 +52 52 28.9 U 703
2018-04-25 19:39:31 C 11 53 59.94 +49 02 04.3 U K38
2018-04-25 19:46:52 C 11 53 59.72 +48 59 55.9 U K38
2018-04-25 19:49:58 C 11 53 59.11 +48 59 05.9 c A53
2018-04-25 19:53:04 C 11 53 59.04 +48 58 11.3 c A53
2018-04-25 19:54:46 C 11 53 59.48 +48 57 37.4 U K38
2018-04-25 19:56:02 C 11 53 58.92 +48 57 19.1 c A53
2018-04-25 19:59:07 C 11 53 58.84 +48 56 25.1 c A53
2018-04-25 20:02:12 C 11 53 58.77 +48 55 31.1 c A53
2018-04-25 20:02:42 C 11 53 59.23 +48 55 18.6 U K38
2018-04-25 20:06:19 C 11 53 58.61 +48 54 18.8 c A53
2018-04-25 21:53:49 n 11 53 59.56 +48 22 09.2 16.3 U Z43
2018-04-25 22:09:54 n 11 53 59.06 +48 17 19.8 15.8 U Z43
2018-04-26 08:32:50 C 11 54 15.23 +45 04 51.6 o 291
2018-04-26 08:33:03 C 11 54 15.23 +45 04 47.1 o 291
2018-04-26 08:33:18 C 11 54 15.23 +45 04 42.2 o 291
2018-04-26 19:56:06 C 11 55 17.85 +41 19 34.0 q 006
2018-04-26 19:57:08 C 11 55 17.77 +41 19 13.2 q 006
2018-04-26 19:58:09 C 11 55 17.75 +41 18 52.5 q 006
2018-04-26 19:59:09 C 11 55 17.71 +41 18 32.7 q 006
2018-04-26 20:00:10 C 11 55 17.72 +41 18 12.1 q 006
2018-04-26 20:01:12 C 11 55 17.70 +41 17 50.6 q 006
2018-04-26 20:02:12 C 11 55 17.63 +41 17 30.6 q 006
2018-04-26 20:03:14 C 11 55 17.60 +41 17 09.8 q 006
2018-04-28 14:47:31 C 11 57 02.76 +25 16 48.5 r P93
2018-04-28 14:48:52 C 11 57 02.73 +25 16 15.5 r P93
2018-04-28 15:05:08 C 11 57 02.30 +25 09 38.7 r P93
2018-04-28 15:07:07 C 11 57 02.23 +25 08 50.1 r P93
2018-04-28 22:36:46 C 11 57 26.63 +22 05 53.2 S C47
2018-04-28 22:44:13 C 11 57 26.51 +22 02 50.1 S C47
2018-04-28 22:51:41 C 11 57 26.43 +21 59 46.9 S C47
2018-04-28 22:59:42 C 11 57 26.34 +21 56 29.4 S C47
2018-04-28 23:07:43 C 11 57 26.27 +21 53 12.0 S C47
2018-04-29 21:26:38 C 11 58 32.33 +12 45 48.4 U G34
2018-04-29 21:29:38 C 11 58 32.29 +12 44 34.8 U G34
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)