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
2014-02-06 03:20:18 C 01 55 30.32 +37 03 35.2 o 291
2014-02-06 03:33:20 C 01 55 31.79 +37 03 41.8 o 291
2014-02-06 03:46:25 C 01 55 33.03 +37 03 50.8 o 291
2014-04-20 04:54:44 C 07 11 14.29 +38 51 53.2 o 291
2014-04-20 05:02:23 C 07 11 15.93 +38 51 43.1 o 291
2014-04-20 05:10:01 C 07 11 17.59 +38 51 32.9 o 291
2014-04-22 04:13:26 C 07 21 34.23 +37 49 06.9 o 291
2014-04-22 04:22:56 C 07 21 36.27 +37 48 53.2 o 291
2014-04-22 04:32:25 C 07 21 38.27 +37 48 39.7 o 291
2014-05-09 04:11:45 C 08 45 15.06 +25 36 30.9 o 291
2014-05-09 04:22:00 C 08 45 17.03 +25 36 08.4 o 291
2014-05-09 04:32:19 C 08 45 18.92 +25 35 45.6 o 291
2017-09-21 10:19:29 C 04 41 20.95 +16 31 10.2 o 291
2017-09-21 10:41:00 C 04 41 22.38 +16 31 22.7 o 291
2017-09-21 11:02:32 C 04 41 23.82 +16 31 35.0 o 291
2017-11-26 08:45:30 C 05 08 13.06 +50 39 45.0 q H45
2017-11-26 08:47:05 C 05 08 12.87 +50 39 48.7 q H45
2017-11-26 08:48:41 C 05 08 12.67 +50 39 52.3 q H45
2017-11-26 08:50:17 C 05 08 12.42 +50 39 56.0 q H45
2017-12-10 10:23:29 C 04 07 57.93 +62 13 47.0 o 291
2017-12-10 10:28:30 C 04 07 56.62 +62 13 54.6 o 291
2017-12-10 10:33:29 C 04 07 55.21 +62 14 02.7 o 291
2017-12-13 05:06:35 C 03 50 19.64 +63 58 57.9 q H45
2017-12-13 05:09:30 C 03 50 18.75 +63 59 03.3 q H45
2017-12-13 05:11:43 C 03 50 18.11 +63 59 06.4 q H45
2017-12-13 05:13:42 C 03 50 17.54 +63 59 08.7 q H45
2017-12-13 05:15:29 C 03 50 17.02 +63 59 10.3 q H45
2017-12-13 05:17:13 C 03 50 16.45 +63 59 13.0 q H45
2017-12-20 03:45:25 C 03 00 33.66 +67 08 46.2 U 703
2017-12-20 03:53:04 C 03 00 31.18 +67 08 53.3 U 703
2017-12-20 04:00:42 C 03 00 28.50 +67 08 58.7 U 703
2017-12-20 04:08:21 C 03 00 26.05 +67 09 06.4 U 703
2018-01-06 04:15:55 C 01 13 28.93 +69 03 15.1 o 695
2018-01-06 04:18:21 C 01 13 28.42 +69 03 14.8 o 695
2018-01-06 04:20:47 C 01 13 27.91 +69 03 14.5 o 695
2018-02-27 02:33:19 C 00 16 20.03 +73 24 36.7 o 291
2018-02-27 02:46:18 C 00 16 20.08 +73 24 42.2 o 291
2018-02-27 02:59:19 C 00 16 20.19 +73 24 47.3 o 291
2018-04-18 23:41:48 C 11 39 22.74 +77 59 29.4 U Z80
2018-04-18 23:50:31 C 11 39 23.02 +77 58 37.2 U Z80
2018-04-18 23:59:12 C 11 39 23.04 +77 57 44.4 U Z80
2018-04-19 00:30:58 C 11 39 17.44 +77 54 28.6 U 204
2018-04-19 00:32:53 C 11 39 17.51 +77 54 16.7 U 204
2018-04-19 00:37:48 C 11 39 17.74 +77 53 45.9 U 204
2018-04-19 00:40:16 C 11 39 17.84 +77 53 30.4 U 204
2018-04-19 00:42:44 C 11 39 17.99 +77 53 14.9 U 204
2018-04-19 07:16:26 C 11 40 25.84 +77 14 52.7 t 673
2018-04-19 07:19:20 C 11 40 26.00 +77 14 34.2 t 673
2018-04-19 08:42:09 C 11 40 20.97 +77 05 30.5 o 291
2018-04-19 08:43:53 C 11 40 21.00 +77 05 18.9 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)