2018 PM21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1742187000
Semi-major axis (a)1.3175609000 AU
Inclination (i)4.14360000°
Long. of Asc. Node (Ω)132.00952000°
Arg. of Perihelion (ω)175.23503000°
Mean Anomaly (M)303.07427000°
Mean Motion (n)0.6517004200°/day
Perihelion dist (q)1.08801720 AU
Aphelion dist (Q)1.54710460 AU
Orbital Period1.51236300 yr
Physical Parameters
H (abs. magnitude)25.60
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.330″
Uncertainty6
Orbit TypeAmor
MOID0.071414 AU
Observations Used18
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-09-08
Observations (18)
Date Type RA Dec Mag Band Observatory
2018-08-11 13:02:02 C 23 18 31.400 -12 45 59.85 U F51
2018-08-11 13:18:51 C 23 18 32.890 -12 46 22.71 U F51
2018-08-11 13:35:42 C 23 18 34.412 -12 46 45.82 U F51
2018-08-12 08:26:56 C 23 20 45.47 -13 13 04.8 u H21
2018-08-12 08:35:26 C 23 20 46.26 -13 13 16.1 u H21
2018-08-12 08:44:47 C 23 20 47.13 -13 13 28.1 u H21
2018-08-12 11:58:08 C 23 21 10.826 -13 17 28.74 V 568
2018-08-12 12:04:45 C 23 21 11.385 -13 17 37.78 V 568
2018-08-12 12:07:29 C 23 21 11.619 -13 17 41.60 V 568
2018-08-14 08:56:01 C 23 26 00.21 -14 16 30.6 u 807
2018-08-14 09:10:34 C 23 26 01.43 -14 16 49.3 u 807
2018-08-14 09:25:32 C 23 26 02.71 -14 17 07.8 u 807
2018-09-07 04:27:24 C 23 59 32.10 -22 58 13.5 U 807
2018-09-07 04:43:25 C 23 59 32.04 -22 58 20.5 U 807
2018-09-07 04:59:25 C 23 59 32.10 -22 58 27.7 U 807
2018-09-08 04:15:22 C 23 59 58.36 -23 08 28.5 u 807
2018-09-08 04:34:42 C 23 59 58.33 -23 08 37.0 u 807
2018-09-08 04:53:36 C 23 59 58.25 -23 08 44.7 u 807