IAA RAS IAA Minor Planet Database

2016 US4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3623042000
Semi-major axis (a)0.8046020000 AU
Inclination (i)14.95771000°
Long. of Asc. Node (Ω)206.06809000°
Arg. of Perihelion (ω)327.99121000°
Mean Anomaly (M)93.28717000°
Mean Motion (n)1.3656279400°/day
Perihelion dist (q)0.51309130 AU
Aphelion dist (Q)1.09611270 AU
Orbital Period0.72172490 yr
Physical Parameters
H (abs. magnitude)24.41
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.650″
Uncertainty6
Orbit TypeAten
MOID0.007982 AU
Observations Used61
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2016-10-22
Observations (62)
Date Type RA Dec Mag Band Observatory
2016-10-07 09:30:31 C 02 34 50.44 +52 31 21.5 – V G96
2016-10-19 05:32:00 C 23 22 38.76 +06 25 50.8 – q 703
2016-10-19 05:40:39 C 23 22 24.57 +06 20 19.8 – q 703
2016-10-19 05:49:19 C 23 22 10.35 +06 14 48.6 – q 703
2016-10-19 05:57:58 C 23 21 56.11 +06 09 18.5 – q 703
2016-10-19 08:20:15 C 23 18 04.06 +04 37 37.5 – q 703
2016-10-19 08:21:37 C 23 18 01.78 +04 36 43.5 – q 703
2016-10-19 08:22:58 C 23 17 59.57 +04 35 50.0 – q 703
2016-10-19 08:24:19 C 23 17 57.40 +04 34 57.3 – q 703
2016-10-19 08:28:09 C 23 17 51.27 +04 32 28.8 – q 703
2016-10-19 08:32:43 C 23 17 43.91 +04 29 30.1 – q 703
2016-10-19 09:44:06 C 23 16 26.67 +03 51 19.2 – r Q62
2016-10-19 09:45:16 C 23 16 24.76 +03 50 33.8 – r Q62
2016-10-19 09:46:25 C 23 16 22.84 +03 49 47.9 – r Q62
2016-10-19 10:03:03 C 23 15 55.18 +03 38 55.6 – r Q62
2016-10-19 10:20:09 C 23 15 26.59 +03 27 44.8 – r Q62
2016-10-19 10:20:49 C 23 15 25.52 +03 27 18.2 – r Q62
2016-10-19 22:11:05 C 22 56 19.59 -04 41 19.9 – q J95
2016-10-19 22:12:43 C 22 56 16.78 -04 42 26.6 – q J95
2016-10-19 22:14:01 C 22 56 14.56 -04 43 19.9 – q J95
2016-10-19 22:15:23 C 22 56 12.20 -04 44 16.3 – q J95
2016-10-20 02:12:29 C 22 50 03.53 -07 24 45.8 – o 926
2016-10-20 02:13:16 C 22 50 02.15 -07 25 18.2 – o 926
2016-10-20 02:14:02 C 22 50 00.80 -07 25 49.7 – o 926
2016-10-20 03:03:51 C 22 48 32.83 -08 00 08.4 – q G96
2016-10-20 03:04:07 C 22 48 32.36 -08 00 19.3 – q G96
2016-10-20 03:04:21 C 22 48 31.95 -08 00 28.8 – q G96
2016-10-20 03:04:35 C 22 48 31.54 -08 00 38.4 – q G96
2016-10-20 04:05:23 C 22 46 43.62 -08 42 16.2 – q 703
2016-10-20 04:14:01 C 22 46 28.17 -08 48 12.1 – q 703
2016-10-20 04:31:20 C 22 45 57.23 -09 00 02.1 – q 703
2016-10-20 05:50:48 C 22 43 35.74 -09 54 01.3 – o 926
2016-10-20 05:51:35 C 22 43 34.33 -09 54 33.4 – o 926
2016-10-20 05:52:22 C 22 43 32.93 -09 55 05.4 – o 926
2016-10-20 09:51:56 C 22 37 10.08 -12 29 24.7 – r Q62
2016-10-20 09:55:09 C 22 37 04.30 -12 31 33.8 – r Q62
2016-10-20 10:08:34 C 22 36 40.06 -12 40 36.3 – r Q62
2016-10-20 18:28:55 C 22 22 38.43 -18 18 25.8 – q J95
2016-10-20 18:31:52 C 22 22 33.17 -18 20 19.1 – q J95
2016-10-20 18:34:46 C 22 22 27.97 -18 22 10.8 – q J95
2016-10-20 18:39:07 C 22 22 20.23 -18 24 58.0 – q J95
2016-10-21 02:24:26 C 22 09 03.08 -23 10 53.9 – o 926
2016-10-21 02:25:47 C 22 09 00.65 -23 11 41.3 – o 926
2016-10-21 02:27:08 C 22 08 58.18 -23 12 29.6 – o 926
2016-10-21 02:54:56 C 22 07 59.90 -23 29 35.4 – q H36
2016-10-21 02:56:10 C 22 07 57.71 -23 30 19.3 – q H36
2016-10-21 02:57:24 C 22 07 55.42 -23 31 03.6 – q H36
2016-10-21 02:58:37 C 22 07 53.16 -23 31 46.6 – q H36
2016-10-21 03:12:32 C 22 07 34.67 -23 39 32.5 – q G96
2016-10-21 03:12:52 C 22 07 34.08 -23 39 44.0 – q G96