2018 PL21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4673904000
Semi-major axis (a)1.7301269000 AU
Inclination (i)24.04541000°
Long. of Asc. Node (Ω)317.74995000°
Arg. of Perihelion (ω)84.42431000°
Mean Anomaly (M)38.78096000°
Mean Motion (n)0.4330989600°/day
Perihelion dist (q)0.92148220 AU
Aphelion dist (Q)2.53877160 AU
Orbital Period2.27571010 yr
Physical Parameters
H (abs. magnitude)23.40
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.310″
Uncertainty8
Orbit TypeApollo
MOID0.185699 AU
Observations Used17
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-08-14
Observations (18)
Date Type RA Dec Mag Band Observatory
2018-08-08 11:03:07 C 22 07 59.719 -09 17 30.53 V F51
2018-08-08 11:35:34 C 22 07 55.649 -09 15 52.25 V F51
2018-08-11 12:05:50 C 21 58 41.106 -05 17 30.87 U F51
2018-08-11 12:23:07 C 21 58 38.558 -05 16 29.54 U F51
2018-08-11 12:40:27 C 21 58 35.986 -05 15 27.63 U F51
2018-08-12 05:43:53 C 21 56 12.06 -04 13 41.1 u H21
2018-08-12 05:54:07 C 21 56 10.51 -04 13 03.3 u H21
2018-08-12 06:08:09 C 21 56 08.37 -04 12 11.4 u H21
2018-08-12 07:17:13 C 21 55 58.09 -04 07 56.3 U 734
2018-08-12 07:32:00 C 21 55 55.81 -04 06 59.8 U 734
2018-08-12 07:46:44 C 21 55 53.58 -04 06 05.6 U 734
2018-08-12 08:16:48 C 21 55 48.94 -04 04 13.6 U 734
2018-08-12 11:14:36 C 21 55 23.396 -03 53 00.92 V 568
2018-08-12 11:18:41 C 21 55 22.758 -03 52 45.61 V 568
2018-08-12 11:21:24 C 21 55 22.332 -03 52 35.43 V 568
2018-08-14 11:03:33 C 21 47 58.10 -00 45 01.7 o 291
2018-08-14 11:06:19 C 21 47 57.68 -00 44 52.5 o 291
2018-08-14 11:09:06 C 21 47 57.23 -00 44 38.7 o 291