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
2019-09-30 14:52:11 C 01 46 20.78 +45 31 49.8 V T05
2019-10-01 07:35:30 C 01 46 10.15 +46 05 12.0 V 703
2019-10-01 07:43:08 C 01 46 10.01 +46 05 27.6 V 703
2019-10-01 07:50:46 C 01 46 09.90 +46 05 42.4 V 703
2019-10-01 07:58:24 C 01 46 09.68 +46 05 58.1 V 703
2019-10-01 07:59:47 C 01 46 09.82 +46 06 00.8 U I41
2019-10-01 08:21:31 C 01 46 09.41 +46 06 44.4 U I41
2019-10-02 07:41:05 C 01 45 49.99 +46 53 31.3 U I41
2019-10-02 08:36:09 C 01 45 48.83 +46 55 22.4 U I41
2019-10-02 09:16:05 C 01 45 47.98 +46 56 42.8 U I41
2019-10-02 09:16:43 C 01 45 47.97 +46 56 44.0 U I41
2019-10-02 09:43:08 C 01 45 48.37 +46 57 39.4 V T08
2019-10-02 09:47:52 C 01 45 48.29 +46 57 49.1 V T08
2019-10-02 10:06:26 C 01 45 47.88 +46 58 26.7 V T08
2019-10-02 10:13:56 C 01 45 47.71 +46 58 42.0 V T08
2019-10-06 06:06:27 C 01 43 56.59 +50 05 08.0 V G96
2019-10-06 06:14:09 C 01 43 56.36 +50 05 23.9 V G96
2019-10-06 06:21:52 C 01 43 56.11 +50 05 39.8 V G96
2019-10-06 06:29:33 C 01 43 55.88 +50 05 55.6 V G96
2019-10-06 11:12:52 C 01 43 47.96 +50 15 39.6 V T08
2019-10-06 11:17:21 C 01 43 47.82 +50 15 48.8 V T08
2019-10-06 11:26:56 C 01 43 47.50 +50 16 08.3 V T08
2019-10-06 11:41:34 C 01 43 47.01 +50 16 38.2 V T08
2019-10-07 07:04:28 C 01 43 16.34 +50 56 15.0 V 703
2019-10-07 07:12:12 C 01 43 16.08 +50 56 31.0 V 703
2019-10-07 07:19:58 C 01 43 15.78 +50 56 47.8 V 703
2019-10-07 07:27:48 C 01 43 15.45 +50 57 02.6 V 703
2019-10-07 20:24:06 C 01 42 53.92 +51 23 27.5 V K83
2019-10-07 20:25:41 C 01 42 53.86 +51 23 30.9 V K83
2019-10-07 20:30:07 C 01 42 53.75 +51 23 40.0 V K83
2019-10-08 11:07:35 C 01 42 25.83 +51 53 50.4 V T05
2019-10-08 11:17:11 C 01 42 25.46 +51 54 10.0 V T05
2019-10-08 11:38:20 C 01 42 24.62 +51 54 53.2 V T05
2019-10-08 22:35:36 C 01 42 03.66 +52 17 16.1 V 094
2019-10-08 22:48:30 C 01 42 03.15 +52 17 42.4 V 094
2019-10-08 22:52:47 C 01 42 02.99 +52 17 51.2 V 094
2019-10-08 22:57:05 C 01 42 02.82 +52 17 59.4 V 094
2019-10-09 21:30:25 C 01 41 17.10 +53 04 17.8 V 073
2019-10-09 21:35:19 C 01 41 16.89 +53 04 27.9 V 073
2019-10-09 21:40:14 C 01 41 16.70 +53 04 38.0 V 073
2019-10-09 21:56:05 C 01 41 16.05 +53 05 10.6 V 073
2019-10-10 19:16:57 C 01 40 29.46 +53 48 54.5 V K83
2019-10-10 19:21:07 C 01 40 29.27 +53 49 03.3 V K83
2019-10-10 19:22:53 C 01 40 29.17 +53 49 06.9 V K83
2019-10-12 10:18:09 C 01 38 51.78 +55 09 04.9 V T05
2019-10-12 10:33:04 C 01 38 51.04 +55 09 35.6 V T05
2019-10-12 10:47:41 C 01 38 50.24 +55 10 05.4 V T05
2019-10-13 19:50:20 C 01 37 19.52 +56 17 20.5 V G34
2019-10-13 19:54:24 C 01 37 19.29 +56 17 28.8 V G34
2019-10-13 19:57:29 C 01 37 19.11 +56 17 34.9 V G34