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
2020-02-25 10:51:11 C 07 54 28.79 +35 13 12.0 q E89
2020-02-25 11:03:52 C 07 54 29.28 +35 12 49.4 q E89
2020-02-25 11:16:28 C 07 54 29.79 +35 12 25.9 q E89
2020-02-26 03:55:31 C 07 55 14.32 +34 42 26.5 U I41
2020-02-26 04:35:06 C 07 55 15.90 +34 41 16.8 U I41
2020-02-26 10:22:53 C 07 55 30.30 +34 31 04.5 V T08
2020-02-26 10:52:16 C 07 55 31.48 +34 30 12.0 V T08
2020-02-26 10:56:24 C 07 55 31.64 +34 30 04.5 V T08
2020-02-26 11:14:55 C 07 55 32.40 +34 29 31.5 V T08
2020-02-27 04:38:41 C 07 56 19.87 +33 59 05.0 U I41
2020-02-27 04:40:04 C 07 56 19.93 +33 59 02.6 U I41
2020-02-27 06:14:55 C 07 56 23.73 +33 56 18.0 U I41
2020-02-27 06:16:13 C 07 56 23.78 +33 56 15.7 U I41
2020-02-28 23:33:30 C 07 58 15.30 +32 46 00.0 V 160
2020-02-28 23:36:39 C 07 58 15.45 +32 45 55.2 V 160
2020-02-28 23:39:46 C 07 58 15.57 +32 45 49.8 V 160
2020-03-01 23:14:44 C 08 00 28.53 +31 28 09.9 q I15
2020-03-01 23:18:01 C 08 00 28.67 +31 28 04.9 q I15
2020-03-01 23:21:17 C 08 00 28.82 +31 27 59.6 q I15
2020-03-02 20:27:36 C 08 01 27.02 +30 54 42.1 q M43
2020-03-02 20:44:04 C 08 01 27.74 +30 54 15.6 q M43
2020-03-02 21:00:33 C 08 01 28.48 +30 53 49.8 q M43
2020-03-03 07:12:27 C 08 01 58.31 +30 38 00.0 V T05
2020-03-03 07:16:40 C 08 01 58.49 +30 37 53.5 V T05
2020-03-03 07:26:49 C 08 01 58.93 +30 37 37.9 V T05
2020-03-03 07:40:40 C 08 01 59.52 +30 37 16.3 V T05
2020-03-04 03:56:59 C 08 02 57.68 +30 06 06.3 U I41
2020-03-04 03:58:20 C 08 02 57.74 +30 06 04.3 U I41
2020-03-04 04:08:21 C 08 02 58.18 +30 05 49.2 U I41
2020-03-04 04:11:09 C 08 02 58.30 +30 05 44.9 U I41
2020-03-11 07:19:13 C 08 11 25.88 +26 05 38.5 V T05
2020-03-11 07:29:38 C 08 11 26.37 +26 05 25.0 V T05
2020-03-11 07:46:59 C 08 11 27.18 +26 05 02.4 V T05
2020-03-11 07:47:39 C 08 11 27.21 +26 05 01.5 V T05
2020-03-11 08:00:39 C 08 11 27.83 +26 04 44.9 V T05
2020-03-11 08:02:00 C 08 11 27.89 +26 04 42.9 V T05
2020-03-11 08:12:02 C 08 11 28.37 +26 04 30.0 V T05
2020-03-11 08:16:41 C 08 11 28.58 +26 04 23.8 V T05
2020-03-11 20:56:35 C 08 12 07.47 +25 48 02.8 V 160
2020-03-11 20:59:28 C 08 12 07.62 +25 47 58.9 V 160
2020-03-11 21:02:20 C 08 12 07.76 +25 47 55.2 V 160
2020-03-11 21:13:47 C 08 12 08.42 +25 47 40.2 V A16
2020-03-11 21:24:32 C 08 12 08.89 +25 47 26.0 V A16
2020-03-11 21:35:15 C 08 12 09.42 +25 47 12.0 V A16
2020-03-11 21:45:58 C 08 12 09.95 +25 46 58.2 V A16
2020-03-11 21:56:43 C 08 12 10.45 +25 46 44.4 V A16
2020-03-11 22:07:26 C 08 12 10.96 +25 46 31.1 V A16
2020-03-12 10:16:29 C 08 12 48.44 +25 31 22.0 q E89
2020-03-12 10:26:52 C 08 12 48.95 +25 31 08.6 q E89
2020-03-12 16:34:14 C 08 13 08.26 +25 23 18.3 17.4 q C97