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
2019-11-14 04:20:11 C 00 05 33.30 +76 48 23.6 U I41
2019-11-14 04:21:31 C 00 05 33.02 +76 48 25.1 U I41
2019-11-14 04:22:59 C 00 05 32.69 +76 48 26.6 U I41
2019-11-14 04:24:18 C 00 05 32.40 +76 48 28.1 U I41
2019-11-14 05:47:13 C 00 05 14.12 +76 49 55.4 U I41
2019-11-14 05:53:07 C 00 05 12.84 +76 50 01.5 U I41
2019-11-15 14:45:52 C 23 58 43.19 +77 24 18.2 q C97
2019-11-15 14:47:43 C 23 58 42.76 +77 24 19.7 q C97
2019-11-15 14:49:34 C 23 58 42.35 +77 24 22.1 q C97
2019-11-15 14:51:25 C 23 58 41.86 +77 24 24.4 q C97
2019-11-15 14:53:16 C 23 58 41.49 +77 24 26.1 q C97
2019-11-15 14:55:07 C 23 58 41.03 +77 24 28.0 q C97
2019-11-15 14:56:59 C 23 58 40.65 +77 24 29.9 q C97
2019-11-16 00:44:25 S 23 55 43.243 +77 41 06.50 V C57
2019-11-16 00:44:25 s 1 +136488.58 9 +50553.550 3110.0 C57
2019-11-16 01:14:25 S 23 55 33.991 +77 41 41.21 V C57
2019-11-16 01:14:25 s 1 +137495.35 3 +53762.344 3280.0 C57
2019-11-16 01:44:25 S 23 55 24.257 +77 42 12.35 V C57
2019-11-16 01:44:25 s 1 +138452.58 0 +56951.824 7720.0 C57
2019-11-16 02:14:25 S 23 55 14.938 +77 42 45.11 V C57
2019-11-16 02:14:25 s 1 +139361.92 1 +60121.663 1010.0 C57
2019-11-16 02:44:25 S 23 55 04.978 +77 43 18.37 V C57
2019-11-16 02:44:25 s 1 +140224.95 4 +63271.584 7530.0 C57
2019-11-16 03:14:25 S 23 54 55.574 +77 43 49.66 V C57
2019-11-16 03:14:25 s 1 +141043.19 1 +66401.351 1500.0 C57
2019-11-16 03:44:25 S 23 54 45.502 +77 44 21.80 V C57
2019-11-16 03:44:25 s 1 +141818.07 7 +69510.771 6950.0 C57
2019-11-16 04:14:25 S 23 54 36.785 +77 44 53.16 V C57
2019-11-16 04:14:25 s 1 +142550.99 8 +72599.683 7760.0 C57
2019-11-16 07:14:25 S 23 53 37.795 +77 48 06.19 V C57
2019-11-16 07:14:25 s 1 +146137.71 7 +90697.247 3090.0 C57
2019-11-16 07:44:25 S 23 53 30.372 +77 48 33.48 V C57
2019-11-16 07:44:25 s 1 +146611.05 3 +93640.471 7550.0 C57
2019-11-16 09:44:25 S 23 52 52.639 +77 50 34.37 V C57
2019-11-16 09:44:25 s 1 +148185.90 3 +105205.13 4650.0 C57
2019-11-16 10:14:25 S 23 52 42.960 +77 51 05.15 V C57
2019-11-16 10:14:25 s 1 +148504.46 3 +108044.51 1490.0 C57
2019-11-16 13:14:25 S 23 51 47.436 +77 54 04.82 V C57
2019-11-16 13:14:25 s 1 +149845.81 7 +124651.71 7700.0 C57
2019-11-16 13:44:25 S 23 51 38.050 +77 54 32.51 V C57
2019-11-16 13:44:25 s 1 +149980.99 7 +127348.99 5320.0 C57
2019-11-16 14:14:25 S 23 51 28.884 +77 55 03.61 V C57
2019-11-16 14:14:25 s 1 +150092.66 5 +130026.39 790.0 C57
2019-11-16 14:44:25 S 23 51 19.865 +77 55 31.55 V C57
2019-11-16 14:44:25 s 1 +150181.42 1 +132684.03 5850.0 C57
2019-11-16 15:14:25 S 23 51 10.884 +77 56 02.08 V C57
2019-11-16 15:14:25 s 1 +150247.84 3 +135322.03 2180.0 C57
2019-11-16 15:44:25 S 23 51 01.649 +77 56 29.72 V C57
2019-11-16 15:44:25 s 1 +150292.49 2 +137940.50 1400.0 C57
2019-11-16 16:14:25 S 23 50 52.690 +77 56 58.99 V C57