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
2019-08-26 12:10:21 C 01 32 25.58 +22 33 19.0 V T08
2019-08-26 12:20:50 C 01 32 25.92 +22 33 32.5 V T08
2019-08-27 01:13:03 C 01 32 53.02 +22 49 44.8 q 160
2019-08-27 01:16:00 C 01 32 53.13 +22 49 48.5 q 160
2019-08-27 01:18:53 C 01 32 53.23 +22 49 51.9 q 160
2019-08-28 11:26:27 C 01 34 03.89 +23 33 43.6 V T05
2019-08-28 11:31:48 C 01 34 04.05 +23 33 50.4 V T05
2019-08-28 11:45:59 C 01 34 04.51 +23 34 09.0 V T05
2019-08-28 12:46:34 C 01 34 06.37 +23 35 28.0 V T05
2019-08-28 15:22:49 C 01 34 11.16 +23 38 50.5 V T05
2019-08-29 02:27:52 C 01 34 33.91 +23 53 13.5 V J95
2019-08-29 02:39:26 C 01 34 34.29 +23 53 28.7 V J95
2019-08-29 02:52:16 C 01 34 34.71 +23 53 45.4 V J95
2019-08-29 03:03:28 C 01 34 35.04 +23 54 00.3 V J95
2019-08-30 01:40:04 C 01 35 19.89 +24 23 51.6 q 160
2019-08-30 01:43:02 C 01 35 19.97 +24 23 55.9 q 160
2019-08-30 01:46:03 C 01 35 20.07 +24 24 00.1 q 160
2019-08-30 10:05:18 C 01 35 36.24 +24 35 07.4 V 703
2019-08-30 10:12:49 C 01 35 36.48 +24 35 16.9 V 703
2019-08-30 10:20:20 C 01 35 36.67 +24 35 27.5 V 703
2019-08-30 10:27:51 C 01 35 36.96 +24 35 37.7 V 703
2019-08-31 00:47:23 C 01 36 04.70 +24 54 48.9 q 160
2019-08-31 00:50:21 C 01 36 04.79 +24 54 52.8 q 160
2019-08-31 00:53:18 C 01 36 04.88 +24 54 56.8 q 160
2019-09-04 01:52:16 C 01 38 59.75 +27 09 51.4 q 160
2019-09-04 01:55:16 C 01 38 59.82 +27 09 55.7 q 160
2019-09-04 01:58:16 C 01 38 59.92 +27 09 59.9 q 160
2019-09-04 08:57:59 C 01 39 11.94 +27 20 04.8 V 703
2019-09-04 09:05:30 C 01 39 12.12 +27 20 15.7 V 703
2019-09-04 09:13:01 C 01 39 12.30 +27 20 26.9 V 703
2019-09-04 09:20:32 C 01 39 12.49 +27 20 37.3 V 703
2019-09-05 02:11:59 C 01 39 40.28 +27 45 00.7 q 160
2019-09-05 02:14:56 C 01 39 40.34 +27 45 05.1 q 160
2019-09-05 02:17:51 C 01 39 40.42 +27 45 09.3 q 160
2019-09-05 09:14:20 C 01 39 51.96 +27 55 19.2 V 703
2019-09-05 09:21:55 C 01 39 52.15 +27 55 30.6 V 703
2019-09-05 09:29:28 C 01 39 52.32 +27 55 41.5 V 703
2019-09-05 09:37:03 C 01 39 52.50 +27 55 52.6 V 703
2019-09-07 12:05:21 C 01 41 11.38 +29 10 57.4 V T08
2019-09-07 12:10:04 C 01 41 11.48 +29 11 04.7 V T08
2019-09-07 12:24:51 C 01 41 11.80 +29 11 27.0 V T08
2019-09-07 12:39:40 C 01 41 12.12 +29 11 49.4 V T08
2019-09-10 10:18:51 C 01 42 49.90 +30 59 19.9 U I41
2019-09-10 11:06:37 C 01 42 50.77 +31 00 35.1 U I41
2019-09-11 12:54:28 C 01 43 23.73 +31 41 40.2 V T08
2019-09-11 13:01:57 C 01 43 23.86 +31 41 52.1 V T08
2019-09-11 13:26:36 C 01 43 24.27 +31 42 31.6 V T08
2019-09-11 13:31:24 C 01 43 24.34 +31 42 39.2 V T08
2019-09-11 19:45:07 C 01 43 32.83 +31 52 29.7 V 073
2019-09-11 21:12:37 C 01 43 34.46 +31 54 53.1 V 073