2018 US1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3978907000
Semi-major axis (a)1.6567377000 AU
Inclination (i)8.00736000°
Long. of Asc. Node (Ω)28.60836000°
Arg. of Perihelion (ω)8.23075000°
Mean Anomaly (M)112.16933000°
Mean Motion (n)0.4621930900°/day
Perihelion dist (q)0.99753720 AU
Aphelion dist (Q)2.31593820 AU
Orbital Period2.13245870 yr
Physical Parameters
H (abs. magnitude)27.10
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.690″
Uncertainty4
Orbit TypeApollo
MOID0.003680 AU
Observations Used54
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-10-24
Observations (54)
Date Type RA Dec Mag Band Observatory
2018-10-21 08:19:51 C 03 13 04.66 -06 15 55.5 V 703
2018-10-21 08:20:01 C 03 13 05.14 -06 15 41.7 V 703
2018-10-21 08:20:11 C 03 13 05.64 -06 15 28.4 V 703
2018-10-21 08:20:21 C 03 13 06.10 -06 15 14.3 V 703
2018-10-21 08:51:19 C 03 14 35.56 -05 33 03.8 V I52
2018-10-21 08:51:55 C 03 14 37.29 -05 32 14.5 V I52
2018-10-21 08:52:30 C 03 14 39.05 -05 31 25.6 V I52
2018-10-21 08:53:06 C 03 14 40.76 -05 30 37.5 V I52
2018-10-21 09:24:20 C 03 16 06.62 -04 48 14.0 V H01
2018-10-21 09:30:09 C 03 16 23.62 -04 40 12.4 V H01
2018-10-21 09:48:08 C 03 17 16.37 -04 15 20.4 V H01
2018-10-21 09:56:13 C 03 17 28.88 -04 05 33.9 U 734
2018-10-21 09:56:53 C 03 17 42.08 -04 03 13.5 V H01
2018-10-21 09:57:23 C 03 17 32.33 -04 03 58.2 U 734
2018-10-21 09:58:20 C 03 17 35.18 -04 02 39.2 U 734
2018-10-21 09:59:17 C 03 17 38.04 -04 01 19.6 U 734
2018-10-21 10:18:41 C 03 18 50.62 -03 32 25.5 V I52
2018-10-21 10:19:16 C 03 18 52.33 -03 31 36.6 V I52
2018-10-21 10:19:52 C 03 18 54.11 -03 30 46.4 V I52
2018-10-21 10:20:28 C 03 18 55.88 -03 29 56.5 V I52
2018-10-21 20:22:21 C 03 54 20.19 +10 38 25.5 q A17
2018-10-21 20:23:21 C 03 54 23.67 +10 39 50.9 q A17
2018-10-21 20:30:38 C 03 54 48.11 +10 50 08.2 q A17
2018-10-21 20:32:51 C 03 54 55.59 +10 53 17.4 q A17
2018-10-21 20:35:19 C 03 55 03.93 +10 56 47.2 q A17
2018-10-21 23:32:33 C 04 04 54.73 +15 03 07.2 V J95
2018-10-21 23:39:18 C 04 05 16.75 +15 12 22.4 V J95
2018-10-21 23:44:29 C 04 05 33.72 +15 19 29.2 V J95
2018-10-21 23:59:42 C 04 06 23.22 +15 40 14.7 V J95
2018-10-22 00:03:29 C 04 06 35.51 +15 45 23.3 V J95
2018-10-22 02:10:34 C 04 13 07.10 +18 37 15.3 V L01
2018-10-22 02:13:00 C 04 13 14.88 +18 40 25.6 V L01
2018-10-22 02:15:27 C 04 13 22.66 +18 43 35.9 V L01
2018-10-22 02:17:47 C 04 13 30.14 +18 46 39.2 V L01
2018-10-22 03:05:03 C 04 17 39.70 +19 46 21.5 V 932
2018-10-22 03:27:38 C 04 18 54.62 +20 15 43.3 V 932
2018-10-22 03:43:22 C 04 19 46.42 +20 36 02.2 V 932
2018-10-22 04:01:06 C 04 20 44.57 +20 58 48.6 V 932
2018-10-22 09:26:28 C 04 38 16.34 +27 27 05.5 u H21
2018-10-22 09:27:39 C 04 38 20.02 +27 28 23.5 u H21
2018-10-22 09:28:50 C 04 38 23.74 +27 29 41.1 u H21
2018-10-22 09:30:01 C 04 38 27.46 +27 30 58.4 u H21
2018-10-22 22:38:27 C 05 23 42.38 +39 15 25.6 V J95
2018-10-22 22:41:47 C 05 23 52.78 +39 17 54.6 V J95
2018-10-22 22:47:34 C 05 24 10.81 +39 22 12.4 V J95
2018-10-23 02:51:31 C 05 36 02.51 +42 10 24.1 V 204
2018-10-23 02:56:46 C 05 36 17.27 +42 13 36.9 V 204
2018-10-23 03:01:42 C 05 36 31.14 +42 16 38.4 V 204
2018-10-23 03:10:45 C 05 36 56.45 +42 22 06.9 V 204
2018-10-23 03:15:58 C 05 37 11.07 +42 25 15.8 V 204