18172 (2000 QL7)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5110299298 ± 6.25e-09
Semi-major axis (a)2.4257654377 AU ± 9.50e-10
Inclination (i)17.82779980° ± 1.30e-06
Long. of Asc. Node (Ω)338.42358622° ± 3.04e-06
Arg. of Perihelion (ω)100.76252583° ± 4.20e-06
Mean Anomaly (M)206.68326087° ± 8.97e-07
Mean Motion (n)0.2608789695°/day ± 1.53e-10
Perihelion dist (q)1.18612670 AU ± 1.52e-08
Aphelion dist (Q)3.66540418 AU ± 1.52e-08
Orbital Period3.77809789 yr ± 2.22e-09
Physical Parameters
H (abs. magnitude)15.69
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.341″
Uncertainty0
Orbit TypeAmor
MOID0.365243 AU
Observations Used4239
Gaia Obs Used36
Oppositions29
Arc Total1977-2024
First Observation Used1977-07-21
Last Observation Used2024-05-09
Observations (6767)
Date Type RA Dec Mag Band Observatory
2024-02-08 13:42:59 C 13 04 31.284 -14 32 39.41 V T05
2024-02-08 14:21:43 C 13 04 30.377 -14 32 58.38 V T05
2024-02-08 15:02:58 C 13 04 29.448 -14 33 19.30 V T05
2024-02-09 01:03:01 C 13 04 17.362 -14 38 08.70 V M22
2024-02-09 01:07:36 C 13 04 17.268 -14 38 10.72 V M22
2024-02-09 01:11:33 C 13 04 17.179 -14 38 12.73 V M22
2024-02-09 01:19:27 C 13 04 16.973 -14 38 16.51 V M22
2024-02-10 07:09:54 C 13 03 37.279 -14 52 46.31 V W68
2024-02-10 07:12:30 C 13 03 37.222 -14 52 47.78 V W68
2024-02-10 07:17:06 C 13 03 37.104 -14 52 49.87 V W68
2024-02-10 07:24:26 C 13 03 36.912 -14 52 53.22 V W68
2024-02-11 01:38:36 C 13 03 10.471 -15 01 34.03 V M22
2024-02-11 01:43:11 C 13 03 10.387 -15 01 35.90 V M22
2024-02-11 02:21:05 C 13 03 09.343 -15 01 53.62 V M22
2024-02-11 03:03:30 C 13 03 08.194 -15 02 13.96 V M22
2024-02-13 01:36:50 C 13 01 53.645 -15 23 42.79 V M22
2024-02-13 01:39:26 C 13 01 53.539 -15 23 43.80 V M22
2024-02-13 02:04:08 C 13 01 52.817 -15 23 55.18 V M22
2024-02-13 02:42:56 C 13 01 51.634 -15 24 12.49 V M22
2024-02-14 07:08:46 C 13 01 01.049 -15 36 51.59 V W68
2024-02-14 07:11:23 C 13 01 00.965 -15 36 52.88 V W68
2024-02-14 07:16:36 C 13 01 00.804 -15 36 54.94 V W68
2024-02-14 07:27:22 C 13 01 00.466 -15 36 59.69 V W68
2024-02-16 22:16:22 C 12 58 55.363 -16 03 36.83 V M22
2024-02-16 22:20:22 C 12 58 55.238 -16 03 38.45 V M22
2024-02-16 22:44:42 C 12 58 54.317 -16 03 48.78 V M22
2024-02-16 23:24:19 C 12 58 52.838 -16 04 05.16 V M22
2024-02-18 06:39:18 C 12 57 43.572 -16 16 37.88 V W68
2024-02-18 06:42:36 C 12 57 43.440 -16 16 39.18 V W68
2024-02-18 06:47:11 C 12 57 43.260 -16 16 41.48 V W68
2024-02-19 00:13:47 C 12 57 02.825 -16 23 28.43 V M22
2024-02-19 00:16:25 C 12 57 02.710 -16 23 29.22 V M22
2024-02-19 00:52:17 C 12 57 01.236 -16 23 43.44 V M22
2024-02-19 00:56:24 C 12 57 01.056 -16 23 44.92 V M22
2024-02-20 00:28:15 C 12 56 04.308 -16 32 40.09 V M22
2024-02-20 00:30:53 C 12 56 04.219 -16 32 40.88 V M22
2024-02-20 00:36:16 C 12 56 03.967 -16 32 42.76 V M22
2024-02-20 01:14:57 C 12 56 02.321 -16 32 57.52 V M22
2024-02-23 00:26:39 C 12 52 56.083 -16 58 10.42 V M22
2024-02-23 00:29:15 C 12 52 55.930 -16 58 11.96 V M22
2024-02-23 00:33:48 C 12 52 55.766 -16 58 13.15 V M22
2024-02-23 00:41:38 C 12 52 55.368 -16 58 16.64 V M22
2024-02-24 00:14:37 C 12 51 49.147 -17 06 00.72 V M22
2024-02-24 00:17:14 C 12 51 49.039 -17 06 02.09 V M22
2024-02-24 00:27:19 C 12 51 48.581 -17 06 04.57 V M22
2024-02-24 00:36:33 C 12 51 48.139 -17 06 07.20 V M22
2024-02-25 07:32:53 C 12 50 17.609 -17 15 50.65 V W68
2024-02-25 08:24:03 C 12 50 14.981 -17 16 07.21 V W68
2024-02-25 09:05:12 C 12 50 13.234 -17 16 28.09 V U52
2024-02-25 09:05:37 C 12 50 12.866 -17 16 18.41 V W68