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
2023-12-04 10:56:58 C 12 14 33.846 +04 21 35.75 V 703
2023-12-04 10:59:52 C 12 14 34.094 +04 21 33.34 V 703
2023-12-04 11:02:47 C 12 14 34.238 +04 21 31.07 V 703
2023-12-04 11:05:41 C 12 14 34.386 +04 21 27.68 V 703
2023-12-16 14:39:58 C 12 33 45.958 +00 09 12.13 V T08
2023-12-16 14:44:38 C 12 33 46.229 +00 09 09.00 V T08
2023-12-16 15:07:24 C 12 33 47.542 +00 08 48.59 V T08
2023-12-16 15:24:46 C 12 33 48.564 +00 08 34.33 V T08
2023-12-26 14:54:56 C 12 46 42.434 -03 04 43.43 V T05
2023-12-26 14:59:30 C 12 46 42.696 -03 04 47.71 V T05
2023-12-26 15:13:40 C 12 46 43.296 -03 04 58.69 V T05
2023-12-26 15:33:28 C 12 46 44.246 -03 05 14.17 V T05
2023-12-30 14:04:55 C 12 51 04.253 -04 18 02.92 V T05
2023-12-30 14:09:29 C 12 51 04.322 -04 18 07.85 V T05
2023-12-30 14:17:18 C 12 51 04.709 -04 18 11.81 V T05
2023-12-30 14:38:59 C 12 51 05.626 -04 18 29.05 V T05
2024-01-07 15:16:30 C 12 58 28.224 -06 40 40.12 V T05
2024-01-07 15:53:04 C 12 58 29.381 -06 41 05.71 V T05
2024-01-07 15:58:47 C 12 58 29.522 -06 41 11.40 V T05
2024-01-07 16:02:41 C 12 58 29.638 -06 41 13.49 V T05
2024-01-07 16:03:21 C 12 58 29.635 -06 41 14.17 V T05
2024-01-13 14:09:23 C 13 02 35.042 -08 20 34.33 V T08
2024-01-13 14:12:02 C 13 02 35.110 -08 20 35.88 V T08
2024-01-13 14:16:08 C 13 02 35.246 -08 20 38.94 V T08
2024-01-13 14:33:56 C 13 02 35.659 -08 20 50.86 V T08
2024-01-14 06:50:48 C 13 02 59.189 -08 31 49.08 V W68
2024-01-14 06:55:21 C 13 02 59.225 -08 31 52.93 V W68
2024-01-14 07:24:33 C 13 02 59.921 -08 32 12.34 V W68
2024-01-14 07:32:29 C 13 03 00.127 -08 32 17.59 V W68
2024-01-15 12:25:48 C 13 03 38.808 -08 51 53.10 V G96
2024-01-15 12:33:14 C 13 03 38.959 -08 51 58.10 V G96
2024-01-15 12:40:39 C 13 03 39.103 -08 52 02.93 V G96
2024-01-15 12:48:03 C 13 03 39.258 -08 52 07.97 V G96
2024-01-15 14:16:12 C 13 03 41.323 -08 53 05.93 V T05
2024-01-15 14:20:13 C 13 03 41.388 -08 53 08.63 V T05
2024-01-15 14:30:04 C 13 03 41.614 -08 53 15.18 V T05
2024-01-15 14:44:53 C 13 03 41.897 -08 53 25.30 V T05
2024-01-20 00:57:01 C 13 05 36.535 -10 03 02.77 V M22
2024-01-20 00:59:38 C 13 05 36.571 -10 03 04.28 V M22
2024-01-20 01:06:11 C 13 05 36.694 -10 03 08.60 V M22
2024-01-20 01:56:55 C 13 05 37.334 -10 03 41.04 V M22
2024-01-23 12:57:07 C 13 06 35.220 -10 56 14.35 V T05
2024-01-23 13:11:41 C 13 06 35.261 -10 56 24.00 V T05
2024-01-23 13:16:20 C 13 06 35.350 -10 56 26.77 V T05
2024-01-23 13:23:47 C 13 06 35.390 -10 56 31.16 V T05
2024-01-27 11:50:29 C 13 07 06.062 -11 53 55.03 V T05
2024-01-27 11:55:03 C 13 07 06.127 -11 53 57.30 V T05
2024-01-27 12:01:33 C 13 07 06.029 -11 54 01.12 V T05
2024-01-27 12:12:32 C 13 07 06.098 -11 54 06.98 V T05
2024-02-08 13:40:22 C 13 04 31.289 -14 32 37.93 V T05