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
2019-10-20 21:44:53 C 01 26 41.13 +61 55 58.6 V 089
2019-10-22 10:08:30 C 01 23 44.40 +63 05 46.8 V T08
2019-10-22 10:13:09 C 01 23 43.94 +63 05 55.6 V T08
2019-10-22 10:21:08 C 01 23 43.17 +63 06 10.6 V T08
2019-10-22 10:35:50 C 01 23 41.76 +63 06 38.3 V T08
2019-10-24 09:51:05 C 01 19 29.06 +64 35 01.1 V T05
2019-10-24 09:55:48 C 01 19 28.56 +64 35 09.9 V T05
2019-10-24 10:18:01 C 01 19 26.19 +64 35 50.5 V T05
2019-10-25 14:51:33 C 01 16 42.95 +65 27 48.2 q C97
2019-10-25 14:53:45 C 01 16 42.63 +65 27 53.5 q C97
2019-10-25 14:55:55 C 01 16 42.46 +65 27 56.7 q C97
2019-10-25 14:58:06 C 01 16 42.11 +65 28 01.2 q C97
2019-10-26 10:29:01 C 01 14 38.85 +66 03 12.8 V T08
2019-10-26 10:34:20 C 01 14 38.18 +66 03 22.1 V T08
2019-10-26 10:42:17 C 01 14 37.30 +66 03 36.1 V T08
2019-10-26 20:25:00 C 01 13 38.35 +66 20 43.3 q 006
2019-10-26 20:28:25 C 01 13 37.96 +66 20 48.9 q 006
2019-10-26 20:31:50 C 01 13 37.58 +66 20 55.6 q 006
2019-10-26 20:34:34 C 01 13 37.35 +66 21 00.3 q 006
2019-10-26 20:37:58 C 01 13 36.86 +66 21 06.4 q 006
2019-10-26 20:41:23 C 01 13 36.49 +66 21 12.3 q 006
2019-10-26 20:44:07 C 01 13 36.20 +66 21 17.2 q 006
2019-10-26 20:47:32 C 01 13 35.81 +66 21 23.3 q 006
2019-10-28 09:27:13 C 01 09 30.88 +67 25 26.9 V T05
2019-10-28 09:31:54 C 01 09 30.27 +67 25 34.8 V T05
2019-10-28 09:39:21 C 01 09 29.32 +67 25 47.7 V T05
2019-10-28 09:53:58 C 01 09 27.42 +67 26 12.6 V T05
2019-10-29 18:28:50 C 01 05 39.07 +68 21 11.1 q 006
2019-10-29 18:36:32 C 01 05 38.05 +68 21 24.2 q 006
2019-10-29 18:39:20 C 01 05 37.69 +68 21 28.9 q 006
2019-10-29 18:42:08 C 01 05 37.31 +68 21 32.9 q 006
2019-10-29 18:44:56 C 01 05 36.96 +68 21 38.6 q 006
2019-10-29 18:48:23 C 01 05 36.51 +68 21 44.2 q 006
2019-10-29 18:51:12 C 01 05 36.14 +68 21 49.3 q 006
2019-10-29 18:54:00 C 01 05 35.78 +68 21 53.5 q 006
2019-10-30 03:17:51 C 01 04 33.79 +68 35 55.6 U I41
2019-10-30 03:58:15 C 01 04 28.36 +68 37 04.4 U I41
2019-10-30 06:21:10 C 01 04 08.73 +68 41 03.6 U I41
2019-10-30 06:21:49 C 01 04 08.63 +68 41 04.7 U I41
2019-10-30 20:22:52 C 01 02 22.518 +69 04 00.34 V 089
2019-10-30 20:26:15 C 01 02 21.967 +69 04 05.96 V 089
2019-10-30 20:33:01 C 01 02 21.076 +69 04 16.69 V 089
2019-10-31 14:57:50 C 01 00 00.51 +69 34 01.6 q C97
2019-10-31 14:59:41 C 01 00 00.25 +69 34 04.7 q C97
2019-10-31 15:01:32 C 00 59 59.97 +69 34 07.9 q C97
2019-10-31 15:03:23 C 00 59 59.65 +69 34 11.3 q C97
2019-10-31 15:05:15 C 00 59 59.47 +69 34 13.8 q C97
2019-11-01 09:51:39 C 00 57 24.35 +70 04 07.7 V T05
2019-11-01 09:56:19 C 00 57 23.64 +70 04 14.8 V T05
2019-11-01 10:04:17 C 00 57 22.45 +70 04 27.0 V T05