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
2020-01-28 05:38:17 C 07 30 27.19 +60 49 33.3 V 703
2020-01-28 10:02:39 C 07 30 33.73 +60 38 25.7 V T05
2020-01-28 10:06:00 C 07 30 33.78 +60 38 17.1 V T05
2020-01-28 10:12:12 C 07 30 33.88 +60 38 01.2 V T05
2020-01-28 10:27:15 C 07 30 34.12 +60 37 22.8 V T05
2020-01-29 16:30:58 C 07 31 27.98 +59 20 53.2 15.7 q C97
2020-01-29 16:33:10 C 07 31 28.03 +59 20 47.9 15.7 q C97
2020-01-29 16:35:21 C 07 31 28.11 +59 20 42.8 15.7 q C97
2020-01-29 16:37:32 C 07 31 28.17 +59 20 37.5 15.6 q C97
2020-01-29 23:47:11 C 07 31 40.80 +59 02 15.9 q I15
2020-01-29 23:49:15 C 07 31 40.85 +59 02 10.6 q I15
2020-01-29 23:51:20 C 07 31 40.90 +59 02 05.4 q I15
2020-01-30 09:19:03 C 07 31 55.51 +58 38 16.8 V T08
2020-01-30 09:23:07 C 07 31 55.61 +58 38 06.8 V T08
2020-01-30 09:32:27 C 07 31 55.75 +58 37 42.7 V T08
2020-01-30 09:46:41 C 07 31 56.02 +58 37 06.3 V T08
2020-01-31 05:10:55 C 07 32 31.04 +57 47 45.9 V 703
2020-01-31 05:18:37 C 07 32 31.26 +57 47 25.7 V 703
2020-01-31 05:26:19 C 07 32 31.38 +57 47 06.4 V 703
2020-01-31 05:34:01 C 07 32 31.49 +57 46 47.3 V 703
2020-01-31 20:26:25 C 07 32 58.52 +57 08 58.8 q 006
2020-01-31 20:28:49 C 07 32 58.58 +57 08 53.3 q 006
2020-01-31 20:31:13 C 07 32 58.63 +57 08 47.1 q 006
2020-01-31 20:33:38 C 07 32 58.69 +57 08 40.8 q 006
2020-01-31 20:36:01 C 07 32 58.76 +57 08 34.8 q 006
2020-01-31 20:38:25 C 07 32 58.77 +57 08 29.1 q 006
2020-01-31 20:40:50 C 07 32 58.83 +57 08 22.8 q 006
2020-01-31 20:43:13 C 07 32 58.88 +57 08 17.3 q 006
2020-02-01 19:58:17 C 07 33 40.85 +56 09 27.0 q 006
2020-02-01 20:00:41 C 07 33 40.93 +56 09 20.7 q 006
2020-02-01 20:03:05 C 07 33 40.99 +56 09 14.7 q 006
2020-02-01 20:05:29 C 07 33 41.04 +56 09 08.7 q 006
2020-02-01 20:07:53 C 07 33 41.06 +56 09 02.7 q 006
2020-02-01 20:10:17 C 07 33 41.20 +56 08 56.7 q 006
2020-02-01 20:12:41 C 07 33 41.19 +56 08 50.6 q 006
2020-02-01 20:15:05 C 07 33 41.30 +56 08 44.6 q 006
2020-02-02 04:26:13 C 07 33 55.07 +55 48 09.0 u H21
2020-02-02 04:28:23 C 07 33 55.12 +55 48 03.5 u H21
2020-02-02 04:30:20 C 07 33 55.15 +55 47 58.6 u H21
2020-02-02 04:32:18 C 07 33 55.20 +55 47 53.7 u H21
2020-02-02 04:34:10 C 07 33 55.24 +55 47 48.9 u H21
2020-02-02 04:36:01 C 07 33 55.28 +55 47 44.3 u H21
2020-02-03 04:16:36 C 07 34 39.67 +54 48 11.7 V 703
2020-02-03 04:24:24 C 07 34 39.85 +54 47 52.4 V 703
2020-02-03 04:32:13 C 07 34 40.02 +54 47 33.1 V 703
2020-02-03 04:40:02 C 07 34 40.19 +54 47 13.6 V 703
2020-02-03 08:54:11 C 07 34 47.414 +54 36 41.16 U F51
2020-02-03 09:08:49 C 07 34 47.806 +54 36 04.60 U F51
2020-02-03 09:11:34 C 07 34 47.782 +54 35 57.50 U F52
2020-02-03 09:23:30 C 07 34 48.040 +54 35 26.47 U F51