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
2019-11-28 21:44:24 s 1 +133930.36 6 +67996.960 1630.0 C57
2019-11-28 22:14:24 S 22 52 35.347 +81 54 27.61 V C57
2019-11-28 22:14:24 s 1 +134717.87 2 +71191.217 4760.0 C57
2019-11-28 22:44:24 S 22 52 24.406 +81 54 48.20 V C57
2019-11-28 22:44:24 s 1 +135460.83 6 +74362.024 6160.0 C57
2019-11-28 23:14:24 S 22 52 16.092 +81 55 06.64 V C57
2019-11-28 23:14:24 s 1 +136160.81 0 +77509.320 140.0 C57
2019-11-28 23:44:24 S 22 52 04.726 +81 55 25.54 V C57
2019-11-28 23:44:24 s 1 +136819.27 4 +80633.076 850.0 C57
2019-11-29 00:14:24 S 22 51 52.978 +81 55 48.25 V C57
2019-11-29 00:14:24 s 1 +137437.63 7 +83733.289 2220.0 C57
2019-11-29 00:44:24 S 22 51 43.337 +81 56 05.39 V C57
2019-11-29 00:44:24 s 1 +138017.24 5 +86809.982 8030.0 C57
2019-11-29 01:14:24 S 22 51 32.851 +81 56 25.12 V C57
2019-11-29 01:14:24 s 1 +138559.38 0 +89863.199 1890.0 C57
2019-11-29 01:44:24 S 22 51 22.663 +81 56 44.92 V C57
2019-11-29 01:44:24 s 1 +139065.26 9 +92893.001 7240.0 C57
2019-11-29 02:14:24 S 22 51 12.415 +81 57 03.74 V C57
2019-11-29 02:14:24 s 1 +139536.08 1 +95899.467 7380.0 C57
2019-11-29 02:44:24 S 22 51 01.999 +81 57 23.18 V C57
2019-11-29 02:44:24 s 1 +139972.93 7 +98882.691 5490.0 C57
2019-11-29 05:29:59 C 22 54 15.59 +81 53 54.5 V T05
2019-11-29 05:35:17 C 22 54 14.41 +81 53 58.0 V T05
2019-11-29 05:43:22 C 22 54 12.85 +81 54 03.4 V T05
2019-11-29 06:00:13 C 22 54 09.35 +81 54 14.8 V T05
2019-11-29 06:27:32 C 22 54 03.77 +81 54 33.1 V T05
2019-11-29 06:32:08 C 22 54 02.85 +81 54 36.0 V T05
2019-11-29 06:40:11 C 22 54 01.19 +81 54 41.3 V T05
2019-11-29 06:44:24 S 22 49 42.605 +81 59 53.02 V C57
2019-11-29 06:44:24 s 1 +142364.56 7 +121926.41 5450.0 C57
2019-11-29 06:55:23 C 22 53 58.10 +81 54 51.1 V T05
2019-11-29 07:14:24 S 22 49 32.892 +82 00 11.27 V C57
2019-11-29 07:14:24 s 1 +142538.87 5 +124706.26 7640.0 C57
2019-11-29 07:44:24 S 22 49 23.182 +82 00 29.63 V C57
2019-11-29 07:44:24 s 1 +142688.10 9 +127464.28 3120.0 C57
2019-11-29 08:14:24 S 22 49 13.510 +82 00 47.77 V C57
2019-11-29 08:14:24 s 1 +142812.96 9 +130200.63 3900.0 C57
2019-11-29 08:44:24 S 22 49 04.174 +82 01 06.02 V C57
2019-11-29 08:44:24 s 1 +142914.13 1 +132915.48 1920.0 C57
2019-11-29 09:14:24 S 22 48 54.754 +82 01 23.92 V C57
2019-11-29 09:14:24 s 1 +142992.24 5 +135609.00 9070.0 C57
2019-11-29 09:44:24 S 22 48 44.825 +82 01 42.35 V C57
2019-11-29 09:44:24 s 1 +143047.93 4 +138281.36 7140.0 C57
2019-11-29 10:14:24 S 22 48 35.532 +82 02 00.24 V C57
2019-11-29 10:14:24 s 1 +143081.80 0 +140932.73 7870.0 C57
2019-11-29 10:44:24 S 22 48 25.999 +82 02 17.88 V C57
2019-11-29 10:44:24 s 1 +143094.42 1 +143563.28 2950.0 C57
2019-11-29 11:14:24 S 22 48 16.711 +82 02 35.88 V C57
2019-11-29 11:14:24 s 1 +143086.35 5 +146173.19 3970.0 C57
2019-11-29 11:44:24 S 22 48 07.819 +82 02 53.77 V C57