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
2019-08-11 11:59:03 C 01 18 01.38 +15 46 28.9 U I41
2019-08-11 12:00:21 C 01 18 01.43 +15 46 30.2 U I41
2019-08-12 00:10:24 C 01 18 33.71 +15 58 50.8 q 160
2019-08-12 00:13:27 C 01 18 33.86 +15 58 53.5 q 160
2019-08-12 00:16:29 C 01 18 33.96 +15 58 56.5 q 160
2019-08-12 10:03:11 C 01 18 59.44 +16 08 58.7 U I41
2019-08-12 11:13:49 C 01 19 02.37 +16 10 11.4 U I41
2019-08-12 12:12:47 C 01 19 05.13 +16 11 12.9 V T05
2019-08-12 12:27:09 C 01 19 05.76 +16 11 28.2 V T05
2019-08-12 12:31:41 C 01 19 05.92 +16 11 32.7 V T05
2019-08-12 12:48:57 C 01 19 06.61 +16 11 50.9 V T05
2019-08-14 00:54:18 C 01 20 39.93 +16 49 15.4 V C95
2019-08-14 01:01:10 C 01 20 40.21 +16 49 22.9 V C95
2019-08-14 01:08:01 C 01 20 40.51 +16 49 29.4 V C95
2019-08-15 01:29:53 C 01 21 42.53 +17 15 14.7 q 160
2019-08-15 01:32:56 C 01 21 42.65 +17 15 18.5 q 160
2019-08-15 01:36:00 C 01 21 42.78 +17 15 21.8 q 160
2019-08-16 10:16:33 C 01 23 04.89 +17 50 30.0 U I41
2019-08-16 12:05:25 C 01 23 09.17 +17 52 28.2 U I41
2019-08-17 10:08:15 C 01 24 04.00 +18 16 34.4 U I41
2019-08-17 10:09:33 C 01 24 04.06 +18 16 35.9 U I41
2019-08-18 13:20:37 C 01 25 10.36 +18 46 47.6 V T08
2019-08-18 13:37:24 C 01 25 11.03 +18 47 06.4 V T08
2019-08-18 13:45:46 C 01 25 11.27 +18 47 15.8 V T08
2019-08-19 00:45:07 C 01 25 38.09 +18 59 32.2 q 160
2019-08-19 00:48:09 C 01 25 38.21 +18 59 35.8 q 160
2019-08-19 00:51:08 C 01 25 38.31 +18 59 39.2 q 160
2019-08-19 07:56:41 C 01 25 55.32 +19 07 40.1 u H21
2019-08-19 08:00:37 C 01 25 55.47 +19 07 44.4 u H21
2019-08-19 08:02:34 C 01 25 55.58 +19 07 46.7 u H21
2019-08-19 08:04:32 C 01 25 55.62 +19 07 48.8 u H21
2019-08-19 08:06:30 C 01 25 55.69 +19 07 51.2 u H21
2019-08-19 08:08:27 C 01 25 55.76 +19 07 53.8 u H21
2019-08-19 08:10:25 C 01 25 55.86 +19 07 55.8 u H21
2019-08-19 08:12:22 C 01 25 55.91 +19 07 57.6 u H21
2019-08-19 08:14:20 C 01 25 55.97 +19 07 59.6 u H21
2019-08-19 08:16:18 C 01 25 56.01 +19 08 03.0 u H21
2019-08-19 08:18:15 C 01 25 56.12 +19 08 05.1 u H21
2019-08-19 08:21:00 C 01 25 56.22 +19 08 07.6 u H21
2019-08-21 01:14:26 C 01 27 33.08 +19 54 58.7 q 160
2019-08-21 01:20:33 C 01 27 33.32 +19 55 05.9 q 160
2019-08-24 13:27:14 C 01 30 44.33 +21 35 21.2 V T05
2019-08-24 13:55:20 C 01 30 45.28 +21 35 55.5 V T05
2019-08-24 14:09:59 C 01 30 45.78 +21 36 13.4 V T05
2019-08-24 14:15:45 C 01 30 45.97 +21 36 20.4 V T05
2019-08-26 10:09:20 C 01 32 21.12 +22 30 45.4 V 703
2019-08-26 10:45:23 C 01 32 22.34 +22 31 29.9 V 703
2019-08-26 10:53:00 C 01 32 22.56 +22 31 39.8 V 703
2019-08-26 11:34:37 C 01 32 24.41 +22 32 34.1 V T08
2019-08-26 11:39:26 C 01 32 24.58 +22 32 40.2 V T08