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
2024-02-25 09:17:43 C 12 50 12.583 -17 16 31.51 V U52
2024-02-25 09:28:00 C 12 50 11.635 -17 16 24.60 V W68
2024-03-07 00:12:59 C 12 35 43.934 -18 14 54.38 V M22
2024-03-07 00:17:13 C 12 35 43.642 -18 14 55.36 V M22
2024-03-07 00:31:50 C 12 35 42.703 -18 14 57.30 V M22
2024-03-07 00:52:26 C 12 35 41.366 -18 15 00.40 V M22
2024-03-07 23:31:04 C 12 34 15.902 -18 18 17.17 V M22
2024-03-07 23:35:38 C 12 34 15.624 -18 18 17.71 V M22
2024-03-07 23:40:17 C 12 34 15.307 -18 18 18.04 V M22
2024-03-07 23:54:40 C 12 34 14.347 -18 18 20.23 V M22
2024-03-08 05:01:47 C 12 33 54.982 -18 19 01.78 V W68
2024-03-08 05:03:44 C 12 33 54.838 -18 19 02.03 V W68
2024-03-08 05:11:01 C 12 33 54.372 -18 19 03.18 V W68
2024-03-08 05:19:40 C 12 33 53.844 -18 19 04.08 V W68
2024-03-08 06:31:25 C 12 33 49.080 -18 19 13.80 V W68
2024-03-08 07:13:09 C 12 33 46.339 -18 19 19.27 V W68
2024-03-08 07:16:35 C 12 33 46.145 -18 19 19.85 V W68
2024-03-08 07:58:37 C 12 33 43.375 -18 19 25.32 V W68
2024-03-09 05:21:55 C 12 32 21.569 -18 22 06.64 V W68
2024-03-09 05:52:37 C 12 32 19.517 -18 22 10.24 V W68
2024-03-09 05:56:40 C 12 32 19.246 -18 22 10.81 V W68
2024-03-09 06:57:10 C 12 32 15.259 -18 22 17.76 V W68
2024-03-09 23:54:59 C 12 31 09.648 -18 24 12.17 V M22
2024-03-10 00:00:22 C 12 31 09.278 -18 24 12.82 V M22
2024-03-10 00:39:22 C 12 31 06.679 -18 24 16.88 V M22
2024-03-10 00:48:22 C 12 31 06.084 -18 24 17.71 V M22
2024-03-11 00:21:10 C 12 29 34.195 -18 26 38.72 V M22
2024-03-11 00:26:32 C 12 29 33.862 -18 26 39.23 V M22
2024-03-11 01:22:29 C 12 29 30.048 -18 26 44.52 V M22
2024-03-12 06:31:57 C 12 27 35.352 -18 29 09.71 V W68
2024-03-12 06:36:32 C 12 27 35.059 -18 29 09.64 V W68
2024-03-12 07:15:33 C 12 27 32.398 -18 29 12.77 V W68
2024-03-12 07:56:42 C 12 27 29.635 -18 29 15.40 V W68
2024-03-13 06:25:37 C 12 26 00.629 -18 30 45.54 V W68
2024-03-13 06:30:12 C 12 26 00.329 -18 30 45.83 V W68
2024-03-13 07:10:51 C 12 25 57.562 -18 30 48.06 V W68
2024-03-13 07:52:00 C 12 25 54.778 -18 30 50.22 V W68
2024-03-14 23:53:54 C 12 23 15.386 -18 32 43.12 V M22
2024-03-15 00:27:40 C 12 23 13.080 -18 32 44.30 V M22
2024-03-15 00:36:20 C 12 23 12.480 -18 32 44.70 V M22
2024-03-16 05:59:15 C 12 21 15.055 -18 33 31.54 V W68
2024-03-16 06:38:11 C 12 21 12.377 -18 33 31.68 V W68
2024-03-16 06:48:05 C 12 21 11.693 -18 33 32.04 V W68
2024-03-16 06:53:26 C 12 21 11.333 -18 33 32.18 V W68
2024-03-17 05:37:22 C 12 19 40.500 -18 33 47.48 V W68
2024-03-17 05:43:00 C 12 19 40.118 -18 33 47.38 V W68
2024-03-17 06:30:18 C 12 19 36.854 -18 33 47.59 V W68
2024-03-17 06:39:15 C 12 19 36.264 -18 33 47.63 V W68
2024-03-17 23:20:46 C 12 18 29.628 -18 33 47.05 V M22
2024-03-18 00:06:27 C 12 18 26.530 -18 33 46.76 V M22