219071 (1997 US9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2820711429 ± 6.63e-09
Semi-major axis (a)1.0527884824 AU ± 1.46e-10
Inclination (i)20.01820269° ± 6.53e-07
Long. of Asc. Node (Ω)212.18222472° ± 1.22e-06
Arg. of Perihelion (ω)357.39208828° ± 1.90e-06
Mean Anomaly (M)182.27746302° ± 1.78e-06
Mean Motion (n)0.9124321690°/day ± 1.90e-10
Perihelion dist (q)0.75582723 AU ± 6.98e-09
Aphelion dist (Q)1.34974973 AU ± 6.98e-09
Orbital Period1.08021869 yr ± 2.25e-10
Physical Parameters
H (abs. magnitude)17.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.078″
Uncertainty0
Orbit TypeApollo
MOID0.249406 AU
Observations Used2715
Gaia Obs Used144
Oppositions1
Arc Total1997-2015
First Observation Used1997-10-19
Last Observation Used2025-12-13
Observations (2988)
Date Type RA Dec Mag Band Observatory
2022-11-14 01:18:54 C 08 30 37.054 -13 03 39.67 V M22
2022-11-14 01:25:51 C 08 30 37.855 -13 03 53.78 V M22
2022-11-14 01:41:37 C 08 30 39.564 -13 04 28.52 V M22
2022-11-16 07:54:46 C 08 36 46.639 -15 00 49.61 V W68
2022-11-16 07:59:59 C 08 36 47.218 -15 01 00.91 V W68
2022-11-16 08:09:50 C 08 36 48.322 -15 01 22.58 V W68
2022-11-16 08:25:33 C 08 36 50.042 -15 01 56.21 V W68
2022-11-18 06:37:01 C 08 42 08.846 -16 43 25.36 V W68
2022-11-18 06:41:34 C 08 42 09.365 -16 43 35.76 V W68
2022-11-18 06:48:43 C 08 42 10.183 -16 43 51.24 V W68
2022-11-18 07:23:07 C 08 42 14.042 -16 45 08.24 V W68
2022-11-19 07:39:35 C 08 45 03.706 -17 39 19.44 V W68
2022-11-19 07:42:11 C 08 45 04.006 -17 39 24.98 V W68
2022-11-19 07:46:42 C 08 45 04.522 -17 39 35.39 V W68
2022-11-19 08:10:40 C 08 45 07.234 -17 40 28.96 V W68
2022-11-20 01:35:57 C 08 47 10.214 -18 19 42.31 V M22
2022-11-20 01:40:30 C 08 47 10.733 -18 19 52.46 V M22
2022-11-20 02:03:27 C 08 47 13.332 -18 20 44.20 V M22
2022-11-20 02:11:31 C 08 47 14.285 -18 21 03.06 V M22
2022-11-21 00:51:22 C 08 49 55.922 -19 12 29.09 V M22
2022-11-21 01:20:27 C 08 49 59.258 -19 13 35.65 V M22
2022-11-21 01:47:06 C 08 50 02.381 -19 14 36.49 V M22
2022-11-23 07:08:06 C 08 56 29.328 -21 17 27.49 V W68
2022-11-23 07:10:42 C 08 56 29.654 -21 17 33.43 V W68
2022-11-23 07:19:12 C 08 56 30.655 -21 17 52.94 V W68
2022-11-23 07:35:29 C 08 56 32.592 -21 18 31.46 V W68
2022-11-24 00:58:55 C 08 58 41.066 -21 59 02.18 V M22
2022-11-24 01:14:36 C 08 58 42.967 -21 59 39.26 V M22
2022-11-24 01:19:16 C 08 58 43.536 -21 59 49.92 V M22
2022-11-24 01:28:12 C 08 58 44.597 -22 00 11.20 V M22
2022-11-24 12:09:38 C 09 00 03.625 -22 25 29.82 V G96
2022-11-24 12:17:05 C 09 00 04.507 -22 25 47.39 V G96
2022-11-24 12:24:33 C 09 00 05.404 -22 26 05.21 V G96
2022-11-24 12:32:00 C 09 00 06.275 -22 26 21.59 V G96
2022-11-24 14:48:15 C 09 00 23.492 -22 31 39.93 U F52
2022-11-24 15:08:44 C 09 00 25.932 -22 32 27.93 U F52
2022-11-24 15:19:01 C 09 00 27.156 -22 32 52.01 U F52
2022-11-26 07:21:22 C 09 05 30.516 -24 07 07.39 V W68
2022-11-26 07:36:13 C 09 05 32.330 -24 07 42.71 V W68
2022-11-26 07:47:58 C 09 05 33.778 -24 08 10.82 V W68
2022-11-26 07:52:31 C 09 05 34.337 -24 08 21.59 V W68
2022-11-30 07:57:53 C 09 18 13.183 -27 58 50.34 V W68
2022-11-30 08:02:25 C 09 18 13.752 -27 59 01.72 V W68
2022-11-30 08:06:46 C 09 18 14.338 -27 59 11.90 V W68
2022-11-30 08:15:12 C 09 18 15.451 -27 59 32.17 V W68
2022-12-01 06:05:42 C 09 21 15.797 -28 52 26.98 V W68
2022-12-01 06:10:15 C 09 21 16.409 -28 52 38.42 V W68
2022-12-01 06:26:20 C 09 21 18.588 -28 53 17.84 V W68
2022-12-01 06:34:49 C 09 21 19.726 -28 53 38.90 V W68
2022-12-01 11:44:00 C 09 22 01.913 -29 06 27.83 V 703