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
2019-11-04 07:32:03 C 01 59 55.101 +34 13 21.25 U F51
2019-11-04 07:47:12 C 01 59 53.479 +34 13 22.92 U F51
2019-11-04 08:03:14 C 01 59 51.754 +34 13 24.11 U F51
2019-11-04 08:19:24 C 01 59 49.978 +34 13 25.37 U F51
2019-11-05 07:37:05 C 01 57 23.946 +34 14 55.76 U F51
2019-11-05 07:57:22 C 01 57 21.730 +34 14 57.02 U F51
2019-11-05 08:17:10 C 01 57 19.592 +34 14 58.32 U F51
2019-11-14 11:48:35 C 01 33 46.560 +34 04 13.58 U F51
2019-11-14 12:04:18 C 01 33 44.856 +34 04 11.00 U F51
2019-11-14 12:35:40 C 01 33 41.433 +34 04 05.38 U F51
2019-11-15 07:55:24 C 01 31 39.065 +34 01 05.21 U F51
2019-11-15 08:12:55 C 01 31 37.122 +34 01 02.32 U F51
2019-11-15 08:31:33 C 01 31 35.078 +34 00 59.44 U F51
2019-11-15 08:50:40 C 01 31 32.945 +34 00 56.00 U F51
2019-11-24 10:15:08 C 01 09 50.393 +33 06 33.35 U F51
2019-11-24 10:48:50 C 01 09 47.317 +33 06 21.69 U F51
2019-11-24 11:05:43 C 01 09 45.633 +33 06 16.08 U F51
2019-12-02 04:01:01 C 00 54 46.22 +32 00 45.6 V G96
2019-12-02 04:08:29 C 00 54 45.66 +32 00 42.8 V G96
2019-12-02 04:15:57 C 00 54 45.12 +32 00 39.9 V G96
2019-12-02 04:23:24 C 00 54 44.58 +32 00 37.0 V G96
2020-01-18 03:39:48 C 00 52 57.76 +28 17 19.4 V I52
2020-01-18 03:45:14 C 00 52 58.09 +28 17 20.1 V I52
2020-01-18 03:50:39 C 00 52 58.39 +28 17 20.4 V I52
2020-01-18 03:56:05 C 00 52 58.69 +28 17 20.5 V I52
2020-05-02 16:23:46 S 08 29 09.708 -45 23 01.46 L C51
2020-05-02 17:57:50 S 08 29 54.576 -45 28 05.74 L C51
2020-05-02 22:40:24 S 08 32 09.646 -45 43 13.80 L C51
2020-05-03 00:14:28 S 08 32 54.542 -45 48 10.51 L C51
2020-05-03 01:48:43 S 08 33 39.614 -45 53 08.05 L C51
2020-05-03 04:57:02 S 08 35 09.730 -46 02 55.43 L C51
2020-06-21 09:51:42 C 14 03 16.69 -45 27 08.7 V 474
2020-06-21 09:56:46 C 14 03 17.30 -45 27 05.6 V 474
2020-06-21 10:01:50 C 14 03 17.93 -45 27 02.1 V 474
2020-06-21 10:06:54 C 14 03 18.53 -45 26 58.9 V 474