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
2018-09-02 03:14:11 C 19 47 53.62 +04 24 52.6 V H21
2018-09-02 03:21:24 C 19 47 52.56 +04 25 15.7 V H21
2018-09-02 03:29:13 C 19 47 51.40 +04 25 40.9 V H21
2018-09-02 03:44:47 C 19 47 49.04 +04 26 30.0 V H21
2018-09-18 02:32:59 C 19 01 30.18 +22 43 36.5 o 691
2018-09-18 02:35:00 C 19 01 30.00 +22 43 41.6 o 691
2018-09-18 02:36:59 C 19 01 29.77 +22 43 46.3 o 691
2018-09-20 21:30:51 S 18 55 22.975 +25 22 45.91 L C51
2018-09-21 00:39:22 S 18 55 06.54 +25 29 58.6 L C51
2018-09-21 03:47:51 S 18 54 50.27 +25 37 10.7 L C51
2018-09-21 05:22:06 S 18 54 42.13 +25 40 46.1 L C51
2018-09-21 06:56:22 S 18 54 34.07 +25 44 21.0 L C51
2018-09-21 08:30:37 S 18 54 25.93 +25 47 56.0 L C51
2018-09-21 10:04:52 S 18 54 17.88 +25 51 29.9 L C51
2018-09-21 11:39:07 S 18 54 09.78 +25 55 04.9 L C51
2018-09-21 14:47:36 S 18 53 53.74 +26 02 12.1 L C51
2018-09-21 17:56:07 S 18 53 37.77 +26 09 18.4 L C51
2018-09-30 03:21:36 C 18 38 53.37 +33 04 19.7 V I52
2018-09-30 03:28:34 C 18 38 52.89 +33 04 32.5 V I52
2018-09-30 03:31:41 C 18 38 52.65 +33 04 39.4 V I52
2018-09-30 03:36:21 C 18 38 52.40 +33 04 48.6 V I52
2018-10-01 01:59:48 C 18 37 29.80 +33 46 27.9 u H21
2018-10-01 02:03:51 C 18 37 29.56 +33 46 35.3 u H21
2018-10-01 02:08:28 C 18 37 29.25 +33 46 43.6 u H21
2018-10-03 05:36:29 C 18 34 30.253 +35 19 52.04 U F52
2018-10-03 05:54:17 C 18 34 29.152 +35 20 23.29 U F52
2018-10-03 06:12:04 C 18 34 28.068 +35 20 54.33 U F52
2018-10-03 06:29:49 C 18 34 26.977 +35 21 25.35 U F52
2018-10-20 02:38:09 C 18 18 00.84 +45 50 38.0 V I52
2018-10-20 02:40:33 C 18 18 00.71 +45 50 41.4 V I52
2018-10-20 02:47:39 C 18 18 00.47 +45 50 51.8 V I52
2018-10-20 02:50:03 C 18 18 00.45 +45 50 55.3 V I52
2018-10-27 02:15:09 C 18 13 55.06 +49 40 16.9 V I52
2018-10-27 02:16:15 C 18 13 55.03 +49 40 19.1 V I52
2018-10-27 02:27:13 C 18 13 54.69 +49 40 33.2 V I52
2018-11-16 02:12:27 C 18 10 18.26 +60 23 23.1 V I52
2018-11-16 02:14:34 C 18 10 18.16 +60 23 25.9 V I52
2018-11-16 02:19:20 C 18 10 18.20 +60 23 32.0 V I52
2018-11-16 02:22:12 C 18 10 18.26 +60 23 36.5 V I52
2018-11-25 14:27:29 S 18 14 59.84 +66 00 14.3 L C51
2018-11-25 17:35:59 S 18 15 06.49 +66 05 08.8 L C51
2018-11-25 20:44:18 S 18 15 13.31 +66 10 04.0 L C51
2018-11-25 23:52:48 S 18 15 20.23 +66 14 59.9 L C51
2018-11-26 03:01:18 S 18 15 27.228 +66 19 55.99 L C51
2018-11-26 06:09:48 S 18 15 34.34 +66 24 53.0 L C51
2018-11-26 09:18:07 S 18 15 41.53 +66 29 49.6 L C51
2018-11-26 15:35:08 S 18 15 56.28 +66 39 46.2 L C51
2018-11-26 18:43:37 S 18 16 03.80 +66 44 45.2 L C51
2018-11-27 01:42:33 C 18 16 18.93 +66 55 57.5 V I52
2018-11-27 01:46:18 C 18 16 19.14 +66 56 03.4 V I52