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
2024-04-28 22:50:54 C 11 32 07.918 -16 01 25.82 V M22
2024-05-01 07:37:48 C 11 31 18.717 -15 52 17.33 X F52
2024-05-01 07:54:51 C 11 31 18.474 -15 52 14.60 X F52
2024-05-01 08:11:57 C 11 31 18.226 -15 52 11.89 X F52
2024-05-01 08:28:57 C 11 31 17.982 -15 52 09.15 X F52
2024-05-03 06:50:00 C 11 30 46.456 -15 45 02.42 X F51
2024-05-03 07:06:04 C 11 30 46.266 -15 45 00.00 X F51
2024-05-03 07:22:09 C 11 30 46.081 -15 44 57.64 X F51
2024-05-03 07:38:12 C 11 30 45.894 -15 44 55.19 X F51
2024-05-08 20:31:44 C 11 29 56.239 -15 26 50.86 V M22
2024-05-08 20:36:23 C 11 29 56.381 -15 26 50.17 V M22
2024-05-08 21:00:55 C 11 29 56.086 -15 26 47.04 V M22
2024-05-08 21:08:20 C 11 29 56.160 -15 26 48.73 V M22
2024-05-09 20:03:14 C 11 29 53.666 -15 24 03.49 V M22
2024-05-09 20:21:35 C 11 29 53.530 -15 24 03.35 V M22
2024-05-09 20:26:14 C 11 29 53.530 -15 24 02.34 V M22
2024-05-09 20:34:08 C 11 29 53.546 -15 24 01.51 V M22