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
2020-01-17 14:14:23 s 1 -204758.09 8 +267560.38 5010.0 – C57
2020-01-17 14:44:23 S 07 21 40.666 +71 35 51.40 – V C57
2020-01-17 14:44:23 s 1 -205124.54 3 +266054.81 1410.0 – C57
2020-01-17 17:14:23 S 07 21 42.689 +71 29 41.14 – V C57
2020-01-17 17:14:23 s 1 -206850.35 7 +258391.97 2530.0 – C57
2020-01-17 17:44:23 S 07 21 43.080 +71 28 26.76 – V C57
2020-01-17 17:44:23 s 1 -207173.71 3 +256832.22 9830.0 – C57
2020-01-17 18:14:23 S 07 21 43.675 +71 27 10.26 – V C57
2020-01-17 18:14:23 s 1 -207489.62 0 +255263.35 8570.0 – C57
2020-01-17 18:44:23 S 07 21 44.081 +71 25 57.72 – V C57
2020-01-17 18:44:23 s 1 -207797.99 9 +253685.32 8620.0 – C57
2020-01-17 19:14:23 S 07 21 44.566 +71 24 40.54 – V C57
2020-01-17 19:14:23 s 1 -208098.76 8 +252098.11 9890.0 – C57
2020-01-17 19:44:23 S 07 21 45.132 +71 23 26.77 – V C57
2020-01-17 19:44:23 s 1 -208391.84 6 +250501.70 2250.0 – C57
2020-01-17 20:14:23 S 07 21 45.442 +71 22 11.46 – V C57
2020-01-17 20:14:23 s 1 -208677.14 8 +248896.05 5570.0 – C57
2020-01-17 20:44:23 S 07 21 45.770 +71 20 57.95 – V C57
2020-01-17 20:44:23 s 1 -208954.59 0 +247281.13 9750.0 – C57
2020-01-17 21:14:23 S 07 21 46.382 +71 19 40.87 – V C57
2020-01-17 21:14:23 s 1 -209224.08 6 +245656.91 4650.0 – C57
2020-01-17 21:44:23 S 07 21 46.836 +71 18 28.73 – V C57
2020-01-17 21:44:23 s 1 -209485.54 7 +244023.37 160.0 – C57
2020-01-17 22:14:23 S 07 21 47.489 +71 17 11.29 – V C57
2020-01-17 22:14:23 s 1 -209738.88 5 +242380.47 6140.0 – C57
2020-01-17 22:25:45 C 07 23 13.34 +70 58 49.7 – V Z80
2020-01-17 22:44:23 S 07 21 47.938 +71 15 53.71 – V C57
2020-01-17 22:44:23 s 1 -209984.00 9 +240728.18 2470.0 – C57
2020-01-17 22:58:46 C 07 23 14.04 +70 57 32.9 – V Z80
2020-01-17 23:14:23 S 07 21 48.384 +71 14 41.46 – V C57
2020-01-17 23:14:23 s 1 -210220.82 7 +239066.48 9010.0 – C57
2020-01-17 23:32:07 C 07 23 14.80 +70 56 15.2 – V Z80
2020-01-17 23:44:23 S 07 21 49.006 +71 13 24.89 – V C57
2020-01-17 23:44:23 s 1 -210449.24 5 +237395.34 5630.0 – C57
2020-01-18 00:05:27 C 07 23 15.48 +70 54 57.6 – V Z80
2020-01-18 00:07:13 C 07 23 19.13 +70 54 47.2 – q I15
2020-01-18 00:09:22 C 07 23 19.21 +70 54 42.3 – q I15
2020-01-18 00:12:04 C 07 23 19.26 +70 54 36.1 – q I15
2020-01-18 00:14:23 S 07 21 49.392 +71 12 11.34 – V C57
2020-01-18 00:14:23 s 1 -210669.16 7 +235714.71 2200.0 – C57
2020-01-18 00:25:06 C 07 23 15.80 +70 54 10.6 – V Z80
2020-01-18 00:44:23 S 07 21 49.939 +71 10 55.85 – V C57
2020-01-18 00:44:23 s 1 -210880.49 7 +234024.58 8570.0 – C57
2020-01-18 01:14:23 S 07 21 50.705 +71 09 35.68 – V C57
2020-01-18 01:14:23 s 1 -211083.13 5 +232324.91 4600.0 – C57
2020-01-18 02:14:23 S 07 21 51.658 +71 07 06.20 – V C57
2020-01-18 02:14:23 s 1 -211461.93 6 +228896.81 5080.0 – C57
2020-01-18 02:44:23 S 07 21 52.051 +71 05 50.28 – V C57
2020-01-18 02:44:23 s 1 -211637.89 2 +227168.32 9240.0 – C57
2020-01-18 03:14:23 S 07 21 52.406 +71 04 37.67 – V C57