2018 QS

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4808333556
Semi-major axis (a)1.8163587161 AU
Inclination (i)0.86359871°
Long. of Asc. Node (Ω)147.47033321°
Arg. of Perihelion (ω)134.21439480°
Mean Anomaly (M)1.21312117°
Mean Motion (n)0.4026236000°/day
Perihelion dist (q)0.94299170 AU
Aphelion dist (Q)2.68973910 AU
Orbital Period2.44796290 yr
Physical Parameters
H (abs. magnitude)26.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.336″
Uncertainty
Orbit TypeApollo
MOID0.001893 AU
Observations Used77
Oppositions1
Arc Total2018-2018
First Observation Used
Last Observation Used2018-10-03
Observations (77)
Date Type RA Dec Mag Band Observatory
2018-09-01 06:34:42 C 23 10 57.06 -07 19 46.3 u H21
2018-09-01 06:52:20 C 23 10 57.61 -07 19 42.9 u H21
2018-09-01 07:12:32 C 23 10 58.25 -07 19 39.0 u H21
2018-09-02 04:38:47 C 23 12 01.96 -07 15 50.6 u H21
2018-09-02 04:49:18 C 23 12 02.26 -07 15 49.0 u H21
2018-09-02 05:01:34 C 23 12 02.59 -07 15 47.3 u H21
2018-09-03 06:19:23 C 23 13 04.27 -07 11 49.1 u H21
2018-09-03 06:26:06 C 23 13 04.42 -07 11 48.4 u H21
2018-09-03 06:42:09 C 23 13 04.74 -07 11 45.9 u H21
2018-09-04 06:08:31 C 23 13 56.42 -07 08 29.3 u H21
2018-09-04 06:27:50 C 23 13 56.80 -07 08 27.2 u H21
2018-09-04 06:52:25 C 23 13 57.25 -07 08 23.6 u H21
2018-09-06 11:48:57 C 23 15 31.563 -07 01 50.75 V T12
2018-09-06 11:51:06 C 23 15 31.577 -07 01 50.55 V T12
2018-09-08 09:59:37 C 23 16 38.622 -06 57 20.31 V T12
2018-09-08 10:06:21 C 23 16 38.657 -06 57 19.74 V T12
2018-09-09 10:32:38 C 23 17 07.741 -06 55 10.72 V T12
2018-09-09 10:43:20 C 23 17 07.779 -06 55 09.78 V T12
2018-09-12 05:43:00 C 23 18 17.57 -06 49 55.3 o 291
2018-09-12 06:48:21 C 23 18 17.70 -06 49 50.5 o 291
2018-09-12 07:53:45 C 23 18 17.90 -06 49 45.0 o 291
2018-09-15 10:44:50 C 23 19 19.515 -06 43 57.72 V T12
2018-09-15 10:53:31 C 23 19 19.513 -06 43 57.08 V T12
2018-09-15 11:02:30 C 23 19 19.517 -06 43 56.40 V T12
2018-10-03 01:47:40 C 23 24 42.114 -06 01 56.04 V 309
2018-10-03 02:01:04 C 23 24 42.234 -06 01 54.33 V 309
2018-10-03 02:14:23 C 23 24 42.354 -06 01 52.59 V 309