2018 PL9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6756064182 ± 1.52e-08
Semi-major axis (a)3.2738104185 AU ± 8.31e-09
Inclination (i)30.97589364° ± 8.44e-06
Long. of Asc. Node (Ω)318.45619122° ± 4.10e-06
Arg. of Perihelion (ω)68.12832028° ± 8.88e-06
Mean Anomaly (M)68.89389865° ± 2.10e-06
Mean Motion (n)0.1663918255°/day ± 6.33e-10
Perihelion dist (q)1.06200309 AU ± 4.97e-08
Aphelion dist (Q)5.48561775 AU ± 5.15e-08
Orbital Period5.92352587 yr ± 2.25e-08
Physical Parameters
H (abs. magnitude)19.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.257″
Uncertainty0
Orbit TypeAmor
MOID0.290822 AU
Observations Used190
Oppositions6
Arc Total2018-2025
First Observation Used2018-06-12
Last Observation Used2025-01-19
Observations (211)
Date Type RA Dec Mag Band Observatory
2018-06-12 13:24:05 C 22 03 23.049 -36 53 51.09 V F51
2018-06-12 13:38:56 C 22 03 23.463 -36 53 47.86 V F51
2018-06-12 13:53:47 C 22 03 23.864 -36 53 44.77 V F51
2018-06-12 14:08:41 C 22 03 24.306 -36 53 41.80 V F51
2018-06-13 13:52:28 C 22 04 05.113 -36 48 47.39 V F51
2018-06-13 14:01:46 C 22 04 05.356 -36 48 45.59 V F51
2018-06-13 14:11:02 C 22 04 05.597 -36 48 43.28 V F51
2018-06-13 14:20:18 C 22 04 05.839 -36 48 41.63 V F51
2018-06-24 13:43:21 C 22 09 21.686 -35 48 01.30 U F51
2018-06-24 13:56:09 C 22 09 21.791 -35 47 57.89 U F51
2018-06-24 14:08:57 C 22 09 21.905 -35 47 54.77 U F51
2018-06-24 14:21:43 C 22 09 22.000 -35 47 51.18 U F51
2018-08-07 09:50:39 C 21 18 55.738 -23 07 40.01 U F51
2018-08-07 10:05:01 C 21 18 53.882 -23 07 15.17 U F51
2018-08-07 10:30:42 C 21 18 50.58 -23 06 30.8 U T05
2018-08-07 10:33:41 C 21 18 50.166 -23 06 25.50 U F51
2018-08-07 10:42:25 C 21 18 49.02 -23 06 09.9 U T05
2018-08-07 10:47:02 C 21 18 48.44 -23 06 02.7 U T05
2018-08-07 11:06:01 C 21 18 45.93 -23 05 29.3 U T05
2018-08-07 15:51:54 C 21 18 10.02 -22 56 53.7 q Q62
2018-08-07 16:04:42 C 21 18 08.36 -22 56 31.1 q Q62
2018-08-07 16:18:59 C 21 18 06.52 -22 56 05.9 q Q62
2018-08-07 23:12:59 C 21 17 15.15 -22 44 14.3 V L01
2018-08-07 23:17:43 C 21 17 14.52 -22 44 06.8 V L01
2018-08-07 23:22:30 C 21 17 13.89 -22 43 57.5 V L01
2018-08-08 04:27:37 C 21 16 35.72 -22 34 49.7 q 850
2018-08-08 04:47:56 C 21 16 33.05 -22 34 13.4 q 850
2018-08-08 05:08:29 C 21 16 30.34 -22 33 36.6 q 850
2018-08-08 05:28:06 C 21 16 27.80 -22 33 01.3 q 850
2018-08-08 07:30:44 C 21 16 11.89 -22 29 19.1 o 711
2018-08-08 07:34:10 C 21 16 11.45 -22 29 12.9 o 711
2018-08-08 07:37:40 C 21 16 10.99 -22 29 06.5 o 711
2018-08-08 12:27:39 C 21 15 34.69 -22 20 01.3 q Q62
2018-08-08 12:42:58 C 21 15 32.66 -22 19 33.3 q Q62
2018-08-08 12:58:20 C 21 15 30.63 -22 19 05.7 q Q62
2018-08-08 13:54:55 C 21 15 23.38 -22 17 41.2 r P93
2018-08-08 13:57:14 C 21 15 23.10 -22 17 36.7 r P93
2018-08-08 13:59:33 C 21 15 22.78 -22 17 32.6 r P93
2018-08-09 12:53:43 C 21 12 24.41 -21 34 23.7 q E23
2018-08-09 13:13:43 C 21 12 21.70 -21 33 45.1 q E23
2018-08-09 13:33:43 C 21 12 18.96 -21 33 07.5 q E23
2018-08-09 22:30:03 C 21 11 08.760 -21 16 11.21 V J04
2018-08-09 22:31:18 C 21 11 08.611 -21 16 08.93 V J04
2018-08-09 22:32:34 C 21 11 08.438 -21 16 06.52 V J04
2018-08-09 22:33:58 C 21 11 08.227 -21 16 03.55 V J04
2018-08-09 22:35:13 C 21 11 08.068 -21 16 01.51 V J04
2018-08-09 23:32:49 C 21 11 00.77 -21 13 48.8 q X31
2018-08-09 23:38:22 C 21 11 00.02 -21 13 37.8 q X31
2018-08-09 23:51:57 C 21 10 58.15 -21 13 11.8 q X31
2018-08-10 03:46:40 C 21 10 25.76 -21 05 39.6 q X74