2018 PR9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5312488000
Semi-major axis (a)1.7607618000 AU
Inclination (i)4.37740000°
Long. of Asc. Node (Ω)129.36230000°
Arg. of Perihelion (ω)267.24971000°
Mean Anomaly (M)17.10033000°
Mean Motion (n)0.4218452400°/day
Perihelion dist (q)0.82535920 AU
Aphelion dist (Q)2.69616440 AU
Orbital Period2.33642000 yr
Physical Parameters
H (abs. magnitude)24.51
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.890″
Uncertainty8
Orbit TypeApollo
MOID0.032398 AU
Observations Used19
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-08-20
Observations (23)
Date Type RA Dec Mag Band Observatory
2018-08-08 10:49:41 C 22 26 11.986 -15 18 44.52 U F51
2018-08-08 11:05:54 C 22 26 14.736 -15 19 02.23 U F51
2018-08-08 11:22:06 C 22 26 17.486 -15 19 19.85 U F51
2018-08-08 23:21:42 C 22 28 38.444 -15 32 37.85 V J04
2018-08-08 23:31:38 C 22 28 40.340 -15 32 48.98 V J04
2018-08-08 23:41:34 C 22 28 42.251 -15 33 01.47 V J04
2018-08-09 06:11:04 C 22 29 59.00 -15 40 43.3 u H21
2018-08-09 06:25:09 C 22 30 01.67 -15 40 59.6 u H21
2018-08-09 06:45:57 C 22 30 05.62 -15 41 24.3 u H21
2018-08-09 23:21:37 C 22 33 40.946 -16 01 25.91 V J04
2018-08-09 23:28:02 C 22 33 42.279 -16 01 34.43 V J04
2018-08-09 23:34:28 C 22 33 43.629 -16 01 42.38 V J04
2018-08-13 08:30:15 C 22 56 17.52 -18 06 21.2 V I41
2018-08-15 08:42:14 C 23 16 03.13 -19 46 23.6 V I41
2018-08-17 09:01:43 C 23 43 47.90 -21 50 32.6 V I41
2018-08-17 09:33:33 C 23 44 08.71 -21 52 02.1 V I41
2018-08-18 09:57:08 C 00 02 35.71 -23 03 16.9 V I41
2018-08-18 09:58:28 C 00 02 36.77 -23 03 20.6 V I41
2018-08-19 12:02:36 C 00 26 38.95 -24 22 33.8 V I41
2018-08-20 10:02:53 C 00 51 20.28 -25 27 25.0 V I41
2018-08-20 10:04:11 C 00 51 21.70 -25 27 28.0 V I41
2018-08-20 12:15:07 C 00 53 57.05 -25 33 29.4 V I41
2018-08-20 12:16:27 C 00 53 58.63 -25 33 32.6 V I41