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
2004-08-19 09:31:22 C 04 05 57.13 +35 43 21.2 18.4 c 704
2004-08-19 09:45:37 C 04 05 59.51 +35 43 35.7 18.5 c 704
2004-08-19 09:59:54 C 04 06 01.87 +35 43 50.7 18.8 c 704
2004-08-19 10:14:00 C 04 06 04.27 +35 44 05.4 18.9 c 704
2004-08-19 10:29:28 C 04 06 06.85 +35 44 21.0 18.8 c 704
2004-09-11 09:41:20 C 05 54 52.70 +43 17 04.8 19.3 c 704
2004-09-11 09:59:44 C 05 54 56.77 +43 17 14.6 18.8 c 704
2004-09-11 10:16:01 C 05 55 00.42 +43 17 23.9 18.8 c 704
2004-09-11 10:32:31 C 05 55 04.11 +43 17 32.7 18.5 c 704
2004-09-11 10:49:16 C 05 55 07.83 +43 17 41.6 18.6 c 704
2004-09-14 09:59:47 C 06 11 16.52 +43 52 06.5 18.1 c 704
2004-09-14 10:16:06 C 06 11 20.20 +43 52 13.6 18.5 c 704
2004-09-14 10:32:25 C 06 11 23.93 +43 52 21.3 18.5 c 704
2004-09-14 10:49:04 C 06 11 27.69 +43 52 29.0 18.6 c 704
2004-09-14 11:05:23 C 06 11 31.42 +43 52 35.9 18.5 c 704
2004-10-02 10:13:35 C 07 52 27.25 +44 31 29.6 o 699
2004-10-02 10:33:44 C 07 52 31.80 +44 31 25.4 o 699
2004-10-02 10:53:51 C 07 52 36.43 +44 31 20.4 o 699
2004-10-02 11:14:01 C 07 52 41.06 +44 31 15.6 o 699
2004-10-03 10:07:11 C 07 57 55.99 +44 24 57.6 17.7 c 704
2004-10-03 10:22:40 C 07 57 59.51 +44 24 53.4 18.0 c 704
2004-10-03 10:38:33 C 07 58 03.08 +44 24 48.9 17.9 c 704
2004-10-03 10:54:30 C 07 58 06.77 +44 24 44.9 18.0 c 704
2004-10-03 11:10:09 C 07 58 10.27 +44 24 40.3 17.6 c 704
2004-10-16 02:45:39 C 09 03 30.21 +41 51 57.9 o 084
2004-10-16 10:01:37 C 09 04 57.28 +41 46 57.7 18.2 c 704
2004-10-16 10:17:28 C 09 05 00.42 +41 46 47.2 18.2 c 704
2004-10-16 10:33:19 C 09 05 03.53 +41 46 35.9 18.3 c 704
2004-10-16 10:49:11 C 09 05 06.69 +41 46 25.6 18.1 c 704
2004-10-16 11:05:03 C 09 05 09.79 +41 46 14.8 18.4 c 704
2004-10-23 10:25:04 C 09 36 41.14 +39 36 46.2 17.6 c 704
2004-10-23 10:41:57 C 09 36 44.14 +39 36 32.3 18.0 c 704
2004-10-23 10:58:46 C 09 36 47.07 +39 36 18.5 17.7 c 704
2004-10-23 11:15:34 C 09 36 50.06 +39 36 04.2 17.9 c 704
2004-10-23 11:32:22 C 09 36 53.03 +39 35 50.5 17.8 c 704
2004-11-02 02:25:51 C 10 14 49.67 +36 04 35.4 o 084
2004-11-03 01:52:16 C 10 18 20.10 +35 41 43.5 o 084
2004-11-04 10:22:55 C 10 23 06.08 +35 09 44.3 17.8 c 704
2004-11-04 10:40:07 C 10 23 08.48 +35 09 27.3 18.1 c 704
2004-11-04 10:57:17 C 10 23 10.95 +35 09 10.8 17.9 c 704
2004-11-04 11:14:27 C 10 23 13.40 +35 08 54.0 18.2 c 704
2004-11-04 11:31:37 C 10 23 15.80 +35 08 37.3 18.0 c 704
2004-11-22 04:40:02 C 11 15 23.00 +27 53 28.1 o 084
2004-11-26 02:32:35 C 11 24 37.04 +26 17 06.9 o 084
2004-12-02 12:12:46 C 11 38 08.50 +23 41 51.1 d 703
2004-12-02 12:22:15 C 11 38 09.22 +23 41 42.4 d 703
2004-12-02 12:31:45 C 11 38 10.00 +23 41 32.6 d 703
2004-12-02 12:41:15 C 11 38 10.76 +23 41 23.3 d 703
2004-12-11 12:21:01 C 11 53 57.87 +20 10 50.0 d 703
2004-12-11 12:36:05 C 11 53 58.80 +20 10 35.7 d 703