2018 PC9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2477226000
Semi-major axis (a)1.5021752000 AU
Inclination (i)36.18891000°
Long. of Asc. Node (Ω)133.64204000°
Arg. of Perihelion (ω)192.26194000°
Mean Anomaly (M)339.73274000°
Mean Motion (n)0.5353319900°/day
Perihelion dist (q)1.13005250 AU
Aphelion dist (Q)1.87429790 AU
Orbital Period1.84111490 yr
Physical Parameters
H (abs. magnitude)23.70
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.150″
Uncertainty8
Orbit TypeAmor
MOID0.118913 AU
Observations Used13
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-08-09
Observations (13)
Date Type RA Dec Mag Band Observatory
2018-08-06 11:31:25 C 22 10 52.596 -21 44 28.52 U F51
2018-08-06 11:48:33 C 22 10 54.876 -21 48 01.66 U F51
2018-08-06 12:05:43 C 22 10 57.166 -21 51 35.19 U F51
2018-08-06 12:22:52 C 22 10 59.449 -21 55 07.67 U F51
2018-08-07 10:14:39 C 22 14 28.861 -26 25 35.91 V 568
2018-08-07 10:16:01 C 22 14 29.055 -26 25 52.71 V 568
2018-08-07 10:50:22 C 22 14 33.964 -26 32 56.38 U F51
2018-08-07 11:06:44 C 22 14 36.265 -26 36 17.37 U F51
2018-08-07 11:23:06 C 22 14 38.568 -26 39 38.66 U F51
2018-08-09 15:14:47 C 22 23 31.20 -36 51 55.3 V 474
2018-08-09 15:17:17 C 22 23 31.62 -36 52 23.4 V 474
2018-08-09 15:18:31 C 22 23 31.85 -36 52 37.4 V 474
2018-08-09 15:21:01 C 22 23 32.28 -36 53 05.1 V 474