IAA RAS IAA Minor Planet Database

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
2020-04-10 21:44:17 C 08 52 32.01 +14 20 34.6 – V 160
2020-04-10 21:47:44 C 08 52 32.21 +14 20 31.9 – V 160
2020-04-11 04:34:54 C 08 52 56.64 +14 15 40.3 – V 703
2020-04-11 04:42:29 C 08 52 57.13 +14 15 34.8 – V 703
2020-04-11 04:50:03 C 08 52 57.57 +14 15 29.9 – V 703
2020-04-11 04:57:38 C 08 52 57.98 +14 15 24.7 – V 703
2020-04-11 20:15:48 C 08 53 53.11 +14 04 25.8 – V A16
2020-04-11 20:31:20 C 08 53 54.02 +14 04 14.9 – V A16
2020-04-11 20:46:54 C 08 53 54.93 +14 04 03.9 – V A16
2020-04-11 20:52:46 C 08 53 55.22 +14 04 00.0 – V 160
2020-04-11 20:56:11 C 08 53 55.42 +14 03 57.6 – V 160
2020-04-11 20:59:36 C 08 53 55.61 +14 03 55.3 – V 160
2020-04-11 21:00:24 C 08 53 55.71 +14 03 54.1 – V A16
2020-04-12 07:45:15 C 08 54 34.32 +13 56 20.8 – V T05
2020-04-12 07:50:14 C 08 54 34.58 +13 56 17.1 – V T05
2020-04-12 08:25:44 C 08 54 36.69 +13 55 52.2 – V T05
2020-04-12 08:58:32 C 08 54 38.58 +13 55 28.8 – V T05
2020-04-12 12:14:11 C 08 54 50.60 +13 53 09.8 – q D29
2020-04-12 12:33:16 C 08 54 51.72 +13 52 56.2 – q D29
2020-04-12 12:52:22 C 08 54 52.83 +13 52 42.9 – q D29
2020-04-14 08:51:45 C 08 57 31.50 +13 22 08.6 – V T08
2020-04-14 08:56:23 C 08 57 31.77 +13 22 05.7 – V T08
2020-04-14 09:04:28 C 08 57 32.26 +13 22 00.0 – V T08
2020-04-14 09:19:05 C 08 57 33.13 +13 21 49.8 – V T08
2020-04-16 20:40:11 C 09 01 08.87 +12 41 42.5 – V 160
2020-04-16 20:43:39 C 09 01 09.08 +12 41 40.5 – V 160
2020-04-16 20:47:06 C 09 01 09.32 +12 41 38.0 – V 160
2020-04-17 03:31:07 C 09 01 33.97 +12 37 11.7 – V 703
2020-04-17 03:39:21 C 09 01 34.47 +12 37 06.0 – V 703
2020-04-17 03:47:35 C 09 01 34.96 +12 37 00.7 – V 703
2020-04-17 03:55:50 C 09 01 35.40 +12 36 55.4 – V 703
2020-04-17 07:04:19 C 09 01 46.848 +12 34 51.90 – U F51
2020-04-17 07:05:14 C 09 01 46.900 +12 34 51.24 – U F51
2020-04-17 07:21:47 C 09 01 47.878 +12 34 40.31 – U F51
2020-04-17 07:22:42 C 09 01 47.929 +12 34 39.64 – U F51
2020-04-17 07:39:04 C 09 01 48.899 +12 34 28.77 – U F51
2020-04-17 07:39:59 C 09 01 48.949 +12 34 28.18 – U F51
2020-04-17 07:56:24 C 09 01 49.923 +12 34 17.30 – U F51
2020-04-17 07:57:20 C 09 01 49.975 +12 34 16.68 – U F51
2020-04-18 06:10:10 C 09 03 11.28 +12 19 41.8 – V T08
2020-04-18 06:15:11 C 09 03 11.59 +12 19 38.5 – V T08
2020-04-18 06:30:50 C 09 03 12.51 +12 19 28.4 – V T08
2020-04-18 06:40:20 C 09 03 13.07 +12 19 22.2 – V T08
2020-04-20 06:22:06 C 09 06 07.87 +11 48 36.3 – V T05
2020-04-20 06:27:34 C 09 06 08.22 +11 48 32.7 – V T05
2020-04-20 06:40:47 C 09 06 09.00 +11 48 24.5 – V T05
2020-04-20 06:55:01 C 09 06 09.82 +11 48 14.9 – V T05
2020-04-21 04:05:41 C 09 07 27.66 +11 34 47.3 – V 703
2020-04-21 04:13:54 C 09 07 28.17 +11 34 42.9 – V 703
2020-04-21 04:22:09 C 09 07 28.68 +11 34 37.6 – V 703