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
2018-11-27 01:50:05 C 18 16 19.27 +66 56 08.9 V I52
2018-11-27 01:53:51 C 18 16 19.30 +66 56 14.8 V I52
2019-01-08 04:15:00 C 04 39 09.05 +74 45 39.9 V I52
2019-01-08 04:22:09 C 04 39 10.65 +74 45 22.6 V I52
2019-01-08 04:41:27 C 04 39 14.51 +74 44 34.8 V I52
2019-01-24 03:35:29 C 05 26 11.62 +59 32 12.3 V G96
2019-01-24 03:43:41 C 05 26 12.24 +59 31 53.9 V G96
2019-01-24 03:51:52 C 05 26 12.85 +59 31 36.4 V G96
2019-01-24 04:00:04 C 05 26 13.49 +59 31 18.7 V G96
2024-06-30 13:53:08 C 23 12 28.020 -18 19 05.71 X F52
2024-06-30 14:10:21 C 23 12 28.831 -18 18 45.24 X F52
2024-06-30 14:27:36 C 23 12 29.634 -18 18 25.14 X F52
2024-07-01 14:01:15 C 23 13 39.460 -17 50 09.21 V F51
2024-07-01 14:02:26 C 23 13 39.504 -17 50 07.71 V F51
2024-07-30 13:26:03 C 23 40 38.458 +06 18 01.42 X F52
2024-07-30 13:40:18 C 23 40 38.761 +06 18 49.53 X F52
2024-07-30 13:54:33 C 23 40 39.073 +06 19 38.14 X F52
2024-08-05 02:24:52 B 23 43 45.650 +14 37 48.72 X C95
2024-08-05 02:43:47 B 23 43 45.962 +14 39 06.66 X C95
2024-08-05 03:02:39 B 23 43 46.279 +14 40 25.07 X C95
2024-08-09 01:16:57 B 23 45 26.664 +21 34 25.86 X K87
2024-08-09 01:27:21 B 23 45 26.774 +21 35 14.06 X K87
2024-08-09 01:37:45 B 23 45 26.921 +21 36 02.59 X K87
2024-08-10 11:50:35 C 23 45 56.124 +24 18 17.10 V T08
2024-08-10 11:53:14 C 23 45 56.117 +24 18 29.81 V T08
2024-08-10 12:43:54 C 23 45 56.501 +24 22 34.07 V T08
2024-08-10 12:56:27 C 23 45 56.693 +24 23 34.98 V T08
2024-08-11 23:29:31 C 23 46 21.950 +27 12 54.00 Z G19
2024-08-12 00:14:43 C 23 46 22.219 +27 16 39.61 Z G19
2024-08-12 00:53:52 B 23 46 22.488 +27 19 55.92 X K87
2024-08-12 00:59:55 C 23 46 22.493 +27 20 25.04 Z G19
2024-08-12 01:03:31 B 23 46 22.526 +27 20 44.84 X K87
2024-08-12 01:13:12 B 23 46 22.565 +27 21 32.72 X K87
2024-08-12 01:39:29 B 23 46 22.886 +27 23 45.96 X C95
2024-08-12 01:51:30 B 23 46 22.956 +27 24 45.76 X C95
2024-08-12 02:03:33 B 23 46 23.040 +27 25 46.13 X C95
2024-12-08 10:42:55 C 11 09 44.568 +59 14 35.02 V G96
2024-12-08 10:49:48 C 11 09 43.614 +59 14 34.30 V G96
2024-12-08 10:56:39 C 11 09 42.685 +59 14 33.54 V G96
2024-12-08 11:03:32 C 11 09 41.717 +59 14 32.28 V G96
2024-12-18 08:11:38 C 10 32 56.882 +58 24 54.25 V G96
2024-12-18 08:21:39 C 10 32 55.021 +58 24 52.45 V G96
2024-12-18 08:31:40 C 10 32 53.225 +58 24 50.11 V G96
2024-12-18 08:41:40 C 10 32 51.396 +58 24 47.99 V G96
2024-12-31 08:54:29 C 09 33 05.713 +55 52 11.17 V G96
2024-12-31 09:01:59 C 09 33 04.244 +55 52 05.59 V G96
2024-12-31 09:09:29 C 09 33 02.714 +55 52 00.16 V G96
2024-12-31 09:17:00 C 09 33 01.206 +55 51 54.76 V G96
2025-01-09 09:41:20 C 08 52 00.964 +52 36 31.94 X F52
2025-01-09 10:16:29 C 08 51 54.577 +52 35 54.77 X F52