IAA RAS IAA Minor Planet Database

2019 US12

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4943744867 ± 4.94e-08
Semi-major axis (a)1.7215281869 AU ± 1.63e-07
Inclination (i)11.24137773° ± 7.02e-06
Long. of Asc. Node (Ω)351.66877538° ± 4.85e-05
Arg. of Perihelion (ω)166.31018772° ± 6.96e-05
Mean Anomaly (M)185.28913257° ± 1.07e-04
Mean Motion (n)0.4363561179°/day ± 6.21e-08
Perihelion dist (q)0.87044857 AU ± 1.19e-07
Aphelion dist (Q)2.57260780 AU ± 2.58e-07
Orbital Period2.25876582 yr ± 3.21e-07
Physical Parameters
H (abs. magnitude)20.03
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.240″
Uncertainty0
Orbit TypeApollo
MOID0.100590 AU
Observations Used79
Oppositions2
Arc Total2016-2020
First Observation Used2016-08-07
Last Observation Used2020-06-21
Observations (85)
Date Type RA Dec Mag Band Observatory
2016-08-07 11:52:39 C 22 24 21.682 -19 11 52.30 – V F51
2016-08-07 12:08:33 C 22 24 20.709 -19 11 55.28 – V F51
2016-08-11 12:02:25 C 22 18 41.926 -19 33 18.79 – V F51
2016-08-11 12:18:48 C 22 18 40.937 -19 33 21.95 – V F51
2016-08-11 12:35:12 C 22 18 39.914 -19 33 25.54 – V F51
2018-07-10 11:33:29 C 21 07 33.404 -33 57 59.57 – V F51
2018-07-10 11:46:31 C 21 07 32.416 -33 58 02.21 – V F51
2018-07-10 11:59:32 C 21 07 31.421 -33 58 05.51 – V F51
2018-07-10 12:12:33 C 21 07 30.447 -33 58 08.45 – V F51
2019-10-08 09:19:42 C 02 48 34.692 +31 00 16.58 – V F51
2019-10-08 09:34:50 C 02 48 34.050 +31 00 23.28 – V F51
2019-10-08 09:49:56 C 02 48 33.400 +31 00 30.09 – V F51
2019-10-19 08:33:12 C 02 34 01.711 +32 45 34.86 – V F51
2019-10-19 08:53:14 C 02 34 00.250 +32 45 41.86 – V F51
2019-10-19 09:14:21 C 02 33 58.715 +32 45 49.63 – V F51
2019-10-28 08:40:12 C 02 16 23.564 +33 48 26.74 – U F51
2019-10-28 08:57:10 C 02 16 21.933 +33 48 30.65 – U F51
2019-10-28 09:14:10 C 02 16 20.306 +33 48 34.41 – U F51
2019-10-28 09:31:17 C 02 16 18.653 +33 48 38.47 – U F51
2019-10-29 04:10:46 C 02 14 34.68 +33 52 30.3 – V I52
2019-10-29 04:13:09 C 02 14 34.42 +33 52 30.4 – V I52
2019-10-29 04:15:33 C 02 14 34.22 +33 52 30.7 – V I52
2019-10-29 05:11:46 C 02 14 28.67 +33 52 44.4 – o 711
2019-10-29 05:17:04 C 02 14 28.14 +33 52 45.2 – o 711
2019-10-29 05:22:56 C 02 14 27.57 +33 52 46.5 – o 711
2019-10-29 05:52:50 C 02 14 24.81 +33 52 48.6 – L 658
2019-10-29 05:55:51 C 02 14 24.54 +33 52 49.2 – L 658
2019-10-29 06:01:49 C 02 14 24.00 +33 52 50.6 – L 658
2019-10-29 06:04:48 C 02 14 23.68 +33 52 51.2 – L 658
2019-10-29 06:07:49 C 02 14 23.43 +33 52 51.9 – L 658
2019-10-30 04:45:35 C 02 12 14.32 +33 57 15.3 – V I52
2019-10-30 04:47:59 C 02 12 14.13 +33 57 15.9 – V I52
2019-10-30 04:50:24 C 02 12 13.85 +33 57 15.8 – V I52
2019-10-30 04:52:47 C 02 12 13.68 +33 57 16.8 – V I52
2019-10-30 06:42:02 C 02 12 02.92 +33 57 33.8 – L 658
2019-10-30 06:44:02 C 02 12 02.72 +33 57 34.2 – L 658
2019-10-30 06:46:07 C 02 12 02.51 +33 57 34.5 – L 658
2019-10-30 06:48:08 C 02 12 02.30 +33 57 34.9 – L 658
2019-10-30 06:50:11 C 02 12 02.08 +33 57 35.2 – L 658
2019-10-31 04:25:48 C 02 09 56.63 +34 01 21.4 – V I52
2019-10-31 04:28:12 C 02 09 56.41 +34 01 21.9 – V I52
2019-10-31 04:30:36 C 02 09 56.16 +34 01 21.7 – V I52
2019-11-03 07:29:57 C 02 02 24.256 +34 11 15.36 – U F51
2019-11-03 07:47:04 C 02 02 22.422 +34 11 17.26 – U F51
2019-11-03 08:05:12 C 02 02 20.496 +34 11 19.48 – U F51
2019-11-03 08:25:27 C 02 02 18.349 +34 11 21.24 – U F51
2019-11-04 05:10:08 C 02 00 09.69 +34 13 08.0 – V G96
2019-11-04 05:17:35 C 02 00 08.88 +34 13 08.9 – V G96
2019-11-04 05:25:02 C 02 00 08.07 +34 13 09.8 – V G96
2019-11-04 05:32:28 C 02 00 07.30 +34 13 10.6 – V G96