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
2020-04-21 04:30:22 C 09 07 29.14 +11 34 31.9 V 703
2020-04-22 03:38:37 C 09 08 54.49 +11 20 01.4 V G96
2020-04-22 03:46:48 C 09 08 54.98 +11 19 56.2 V G96
2020-04-22 03:55:00 C 09 08 55.47 +11 19 51.1 V G96
2020-04-22 04:03:11 C 09 08 55.96 +11 19 46.0 V G96
2020-04-22 07:33:49 C 09 09 08.88 +11 17 36.5 V T08
2020-04-22 07:37:59 C 09 09 09.10 +11 17 33.6 V T08
2020-04-22 07:48:03 C 09 09 09.72 +11 17 27.3 V T08
2020-04-22 08:03:04 C 09 09 10.62 +11 17 17.6 V T08
2020-04-24 04:13:26 C 09 11 54.00 +10 50 02.0 V 703
2020-04-24 04:21:38 C 09 11 54.45 +10 49 57.0 V 703
2020-04-24 04:29:51 C 09 11 54.95 +10 49 52.3 V 703
2020-04-24 04:38:03 C 09 11 55.42 +10 49 47.2 V 703
2020-04-25 19:48:07 C 09 14 20.85 +10 26 04.2 V 160
2020-04-25 19:53:08 C 09 14 21.14 +10 26 00.8 V 160
2020-04-25 19:58:11 C 09 14 21.44 +10 25 57.2 V 160
2020-04-26 04:12:45 C 09 14 52.02 +10 21 01.5 V 703
2020-04-26 04:20:21 C 09 14 52.49 +10 20 57.7 V 703
2020-04-26 04:27:52 C 09 14 52.98 +10 20 53.3 V 703
2020-04-26 04:35:28 C 09 14 53.41 +10 20 48.4 V 703
2020-04-26 06:55:30 C 09 15 02.14 +10 19 26.3 V T08
2020-04-26 07:23:34 C 09 15 03.88 +10 19 08.9 V T08
2020-04-26 07:40:51 C 09 15 04.89 +10 18 58.5 V T08
2020-04-26 07:44:52 C 09 15 05.10 +10 18 56.9 V T08
2020-04-27 07:25:54 C 09 16 33.28 +10 04 51.4 V T05
2020-04-27 07:49:47 C 09 16 34.77 +10 04 37.5 V T05
2020-04-27 08:03:42 C 09 16 35.61 +10 04 29.2 V T05
2020-04-27 08:11:03 C 09 16 36.04 +10 04 24.2 V T05
2020-04-29 07:31:44 C 09 19 32.76 +09 36 39.4 V T08
2020-04-29 07:46:59 C 09 19 33.69 +09 36 30.2 V T08
2020-04-29 07:56:18 C 09 19 34.24 +09 36 25.1 V T08
2020-04-29 08:04:19 C 09 19 34.69 +09 36 20.2 V T08
2020-04-30 06:41:12 C 09 20 59.42 +09 23 15.7 V T08
2020-04-30 06:46:55 C 09 20 59.74 +09 23 12.0 V T08
2020-04-30 07:02:25 C 09 21 00.69 +09 23 03.7 V T08
2020-04-30 07:13:51 C 09 21 01.37 +09 22 56.5 V T08
2020-05-07 06:27:27 C 09 31 29.881 +07 49 17.08 U F52
2020-05-07 06:44:20 C 09 31 30.911 +07 49 07.71 U F52
2020-05-07 07:01:14 C 09 31 31.962 +07 48 58.33 U F52
2020-05-11 06:00:51 C 09 37 30.87 +06 57 51.6 V T08
2020-05-11 06:06:10 C 09 37 31.20 +06 57 49.0 V T08
2020-05-11 06:10:14 C 09 37 31.35 +06 57 47.1 V T08
2020-05-11 06:13:35 C 09 37 31.62 +06 57 44.8 V T08
2020-05-11 06:19:35 C 09 37 31.97 +06 57 42.5 V T08
2020-05-11 06:26:14 C 09 37 32.37 +06 57 38.3 V T08
2020-05-11 06:28:14 C 09 37 32.51 +06 57 36.8 V T08
2020-05-11 06:41:34 C 09 37 33.31 +06 57 29.6 V T08
2020-05-14 04:26:24 C 09 41 57.36 +06 20 45.9 V 703
2020-05-14 04:42:52 C 09 41 58.39 +06 20 37.4 V 703
2020-05-14 04:51:05 C 09 41 58.88 +06 20 32.7 V 703