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
2019-11-07 00:44:25 S 00 32 23.542 +73 25 41.38 V C57
2019-11-07 00:44:25 s 1 +40668.315 0 +365437.16 9470.0 C57
2019-11-07 01:14:25 S 00 32 17.635 +73 26 18.31 V C57
2019-11-07 01:14:25 s 1 +39680.698 0 +366052.61 8300.0 C57
2019-11-07 01:44:25 S 00 32 11.926 +73 26 56.15 V C57
2019-11-07 01:44:25 s 1 +38692.066 0 +366658.65 1680.0 C57
2019-11-07 02:14:25 S 00 32 06.041 +73 27 33.19 V C57
2019-11-07 02:14:25 s 1 +37702.448 0 +367255.30 9700.0 C57
2019-11-07 02:44:25 S 00 32 00.070 +73 28 11.42 V C57
2019-11-07 02:44:25 s 1 +36711.874 0 +367842.58 2450.0 C57
2019-11-07 03:14:25 S 00 31 54.415 +73 28 48.58 V C57
2019-11-07 03:14:25 s 1 +35720.372 0 +368420.51 20.0 C57
2019-11-07 03:44:25 S 00 31 48.619 +73 29 25.44 V C57
2019-11-07 03:44:25 s 1 +34727.971 0 +368989.11 2500.0 C57
2019-11-07 04:14:25 S 00 31 42.910 +73 30 03.13 V C57
2019-11-07 04:14:25 s 1 +33734.700 0 +369548.40 9960.0 C57
2019-11-07 04:44:25 S 00 31 37.039 +73 30 40.39 V C57
2019-11-07 04:44:25 s 1 +32740.586 0 +370098.40 2510.0 C57
2019-11-07 05:14:25 S 00 31 31.507 +73 31 17.80 V C57
2019-11-07 05:14:25 s 1 +31745.658 0 +370639.13 220.0 C57
2019-11-07 05:17:30 C 00 36 13.78 +73 27 20.0 U I41
2019-11-07 05:33:13 C 00 36 10.86 +73 27 41.1 U I41
2019-11-07 05:44:25 S 00 31 25.457 +73 31 54.37 V C57
2019-11-07 05:44:25 s 1 +30749.943 0 +371170.60 3180.0 C57
2019-11-07 05:50:59 C 00 36 07.56 +73 28 04.8 U I41
2019-11-07 06:14:25 S 00 31 19.886 +73 32 32.14 V C57
2019-11-07 06:14:25 s 1 +29753.469 0 +371692.84 1470.0 C57
2019-11-07 06:44:25 S 00 31 14.126 +73 33 07.99 V C57
2019-11-07 06:44:25 s 1 +28756.263 0 +372205.87 5180.0 C57
2019-11-07 07:05:52 C 00 35 56.60 +73 29 47.9 V T08
2019-11-07 07:13:43 C 00 35 55.13 +73 29 58.5 V T08
2019-11-07 07:14:25 S 00 31 08.306 +73 33 47.66 V C57
2019-11-07 07:14:25 s 1 +27758.353 0 +372709.69 4390.0 C57
2019-11-07 07:19:10 C 00 35 54.10 +73 30 05.8 V T08
2019-11-07 07:22:35 C 00 35 50.63 +73 30 05.2 U I41
2019-11-07 07:23:52 C 00 35 50.39 +73 30 06.9 U I41
2019-11-07 07:34:07 C 00 35 51.28 +73 30 26.1 V T08
2019-11-07 07:44:25 S 00 31 02.261 +73 34 23.59 V C57
2019-11-07 07:44:25 s 1 +26759.765 0 +373204.33 9180.0 C57
2019-11-07 08:44:25 S 00 30 51.110 +73 35 35.09 V C57
2019-11-07 08:44:25 s 1 +24760.662 0 +374166.14 5820.0 C57
2019-11-07 09:14:25 S 00 30 45.235 +73 36 13.64 V C57
2019-11-07 09:14:25 s 1 +23760.201 0 +374633.34 7840.0 C57
2019-11-07 09:44:25 S 00 30 39.353 +73 36 51.37 V C57
2019-11-07 09:44:25 s 1 +22759.168 0 +375091.42 5770.0 C57
2019-11-07 10:11:19 C 00 35 21.77 +73 33 52.7 V T08
2019-11-07 10:14:25 S 00 30 33.869 +73 37 27.19 V C57
2019-11-07 10:14:25 s 1 +21757.589 0 +375540.41 9670.0 C57
2019-11-07 10:15:32 C 00 35 21.00 +73 33 58.2 V T08
2019-11-07 10:23:01 C 00 35 19.59 +73 34 07.8 V T08