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
2018-04-29 21:32:39 C 11 58 32.23 +12 43 20.9 U G34
2018-04-29 21:35:40 C 11 58 32.17 +12 42 07.2 U G34
2018-04-30 01:38:03 C 11 58 49.18 +11 04 21.8 q I15
2018-04-30 01:39:02 C 11 58 49.14 +11 03 58.0 q I15
2018-04-30 01:40:02 C 11 58 49.11 +11 03 34.0 q I15
2018-04-30 13:37:56 C 11 59 12.18 +06 16 24.1 r P93
2018-04-30 13:39:25 C 11 59 12.13 +06 15 48.5 r P93
2018-04-30 13:40:54 C 11 59 12.10 +06 15 13.6 r P93
2018-04-30 13:42:22 C 11 59 12.04 +06 14 38.9 r P93
2018-04-30 20:56:04 C 11 59 30.94 +03 23 31.9 t C36
2018-04-30 20:59:14 C 11 59 30.89 +03 22 19.5 t C36
2018-04-30 21:00:17 C 11 59 30.91 +03 21 54.7 t C36
2018-04-30 21:01:20 C 11 59 30.90 +03 21 30.5 t C36
2018-04-30 21:02:53 C 11 59 30.87 +03 20 53.9 t C36
2018-04-30 21:03:42 C 11 59 30.84 +03 20 35.0 t C36
2018-04-30 21:06:51 C 11 59 30.85 +03 19 22.5 t C36
2018-04-30 21:07:37 C 11 59 30.83 +03 19 03.9 t C36
2018-05-02 01:10:01 C 12 00 53.70 -06 54 23.8 U W34
2018-05-02 01:10:45 C 12 00 53.70 -06 54 37.6 q W33
2018-05-02 01:18:07 C 12 00 53.51 -06 57 08.7 q W33
2018-05-02 01:20:57 C 12 00 53.41 -06 58 08.3 U W34
2018-05-02 01:25:54 C 12 00 53.29 -06 59 49.1 q W33
2018-05-02 01:42:59 C 12 00 52.75 -07 05 39.9 U W34
2018-05-02 18:32:00 C 12 01 24.13 -12 32 48.0 q C97
2018-05-02 18:34:27 C 12 01 24.10 -12 33 33.7 q C97
2018-05-02 18:36:23 C 12 01 23.93 -12 34 10.8 q C97
2018-05-02 18:40:39 C 12 01 23.84 -12 35 27.0 q C97
2018-05-02 18:42:43 C 12 01 23.75 -12 36 03.8 q C97
2018-05-02 18:44:39 C 12 01 23.68 -12 36 41.3 q C97
2018-05-02 18:46:35 C 12 01 23.66 -12 37 16.2 q C97
2018-05-02 21:49:03 C 12 01 35.72 -13 34 34.9 q Z80
2018-05-02 21:50:13 C 12 01 35.72 -13 34 57.0 q Z80
2018-05-02 21:51:30 C 12 01 35.71 -13 35 19.8 q Z80
2018-05-02 21:52:46 C 12 01 35.72 -13 35 43.5 q Z80
2018-05-02 21:54:41 C 12 01 35.62 -13 36 18.0 q Z80
2018-05-02 21:56:52 C 12 01 35.65 -13 36 57.2 q Z80
2018-05-02 21:58:41 C 12 01 35.62 -13 37 29.9 q Z80
2018-05-03 04:07:45 C 12 01 37.11 -15 21 32.9 r Y00
2018-05-03 04:09:31 C 12 01 37.08 -15 22 02.3 r Y00
2018-05-03 04:11:40 C 12 01 37.06 -15 22 39.6 r Y00
2018-05-03 04:54:27 C 12 01 53.13 -15 39 32.8 q V16
2018-05-03 04:59:11 C 12 01 52.96 -15 40 55.2 q V16
2018-05-03 05:04:25 C 12 01 52.81 -15 42 26.1 q V16
2018-05-03 05:10:13 C 12 01 52.65 -15 44 03.5 q V16
2018-05-03 05:14:55 C 12 01 52.50 -15 45 28.1 q V16
2018-05-03 05:20:11 C 12 01 52.33 -15 46 58.9 q V16
2018-05-03 05:25:26 C 12 01 52.17 -15 48 28.7 q V16
2018-05-03 05:30:41 C 12 01 52.00 -15 49 56.9 q V16
2018-05-03 05:35:57 C 12 01 51.83 -15 51 28.8 q V16
2018-05-03 05:41:13 C 12 01 51.69 -15 52 56.7 q V16
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)