2018 PN21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4153500000
Semi-major axis (a)1.7742893000 AU
Inclination (i)11.36274000°
Long. of Asc. Node (Ω)312.19868000°
Arg. of Perihelion (ω)33.77227000°
Mean Anomaly (M)19.73964000°
Mean Motion (n)0.4170301000°/day
Perihelion dist (q)1.03733820 AU
Aphelion dist (Q)2.51124040 AU
Orbital Period2.36339680 yr
Physical Parameters
H (abs. magnitude)23.80
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.280″
Uncertainty5
Orbit TypeAmor
MOID0.060475 AU
Observations Used27
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-09-19
Observations (27)
Date Type RA Dec Mag Band Observatory
2018-07-10 11:43:42 C 21 42 02.441 -40 13 18.04 V F51
2018-07-10 12:09:46 C 21 42 05.262 -40 12 42.08 V F51
2018-07-10 12:22:46 C 21 42 06.685 -40 12 24.15 V F51
2018-08-12 10:53:49 C 00 04 24.850 +29 42 06.09 U F51
2018-08-12 11:11:21 C 00 04 28.860 +29 44 27.15 U F51
2018-08-12 11:28:50 C 00 04 32.850 +29 46 47.64 U F51
2018-08-12 11:46:20 C 00 04 36.818 +29 49 07.59 U F51
2018-08-12 23:57:20 C 00 07 44.71 +31 23 53.2 V L01
2018-08-13 00:01:25 C 00 07 45.68 +31 24 25.0 V L01
2018-08-13 00:05:54 C 00 07 46.76 +31 25 00.0 V L01
2018-08-13 00:10:24 C 00 07 47.78 +31 25 35.2 V L01
2018-08-13 06:26:24 C 00 09 26.83 +32 13 53.8 U 734
2018-08-13 06:35:01 C 00 09 28.88 +32 15 00.3 U 734
2018-08-13 06:51:11 C 00 09 32.80 +32 17 07.1 U 734
2018-08-13 07:46:54 C 00 09 45.06 +32 24 16.9 u H21
2018-08-13 07:54:02 C 00 09 46.75 +32 25 11.6 u H21
2018-08-13 08:06:10 C 00 09 49.57 +32 26 44.4 u H21
2018-08-13 12:48:23 C 00 11 02.862 +33 02 58.86 U 568
2018-08-13 12:49:45 C 00 11 03.177 +33 03 09.25 U 568
2018-08-13 12:51:07 C 00 11 03.488 +33 03 19.52 U 568
2018-08-14 01:59:13 C 00 14 30.70 +34 40 12.0 q J95
2018-08-14 02:13:05 C 00 14 34.12 +34 41 54.0 q J95
2018-08-14 02:27:02 C 00 14 37.49 +34 43 37.2 q J95
2018-08-14 08:40:57 C 00 16 15.72 +35 29 18.5 u H21
2018-08-14 08:48:04 C 00 16 17.41 +35 30 09.8 u H21
2018-09-19 13:07:25 C 04 05 01.854 +70 24 20.22 V 568
2018-09-19 13:33:00 C 04 05 05.514 +70 24 29.14 V 568