2018 PJ9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4841044944 ± 2.51e-05
Semi-major axis (a)1.9824185368 AU ± 1.02e-04
Inclination (i)4.52799536° ± 1.49e-04
Long. of Asc. Node (Ω)279.25540028° ± 5.16e-04
Arg. of Perihelion (ω)15.01728021° ± 4.98e-04
Mean Anomaly (M)224.90566295° ± 7.22e-02
Mean Motion (n)0.3531175082°/day ± 2.73e-05
Perihelion dist (q)1.02272081 AU ± 7.25e-05
Aphelion dist (Q)2.94211626 AU ± 1.60e-04
Orbital Period2.79121329 yr ± 2.16e-04
Physical Parameters
H (abs. magnitude)22.52
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.363″
Uncertainty2
Orbit TypeAmor
MOID0.011957 AU
Observations Used116
Oppositions1
Arc Total2018-2018
First Observation Used2018-08-07
Last Observation Used2018-10-05
Observations (128)
Date Type RA Dec Mag Band Observatory
2018-08-07 08:02:09 C 16 25 11.95 +10 05 44.8 U T08
2018-08-07 08:49:28 C 16 25 35.96 +10 07 44.6 U T08
2018-08-07 09:01:55 C 16 25 42.44 +10 08 16.4 U T08
2018-08-07 09:16:29 C 16 25 49.95 +10 08 54.1 U T08
2018-08-07 20:00:50 C 16 31 40.02 +10 35 52.1 V L01
2018-08-07 20:03:35 C 16 31 41.48 +10 35 58.7 V L01
2018-08-07 20:06:01 C 16 31 42.80 +10 36 05.5 V L01
2018-08-07 20:16:08 C 16 31 48.27 +10 36 32.3 V 104
2018-08-07 20:25:12 C 16 31 52.94 +10 36 56.0 V 104
2018-08-07 20:34:17 C 16 31 57.67 +10 37 19.2 V 104
2018-08-07 20:43:22 C 16 32 02.42 +10 37 42.0 V 104
2018-08-07 23:49:06 C 16 33 43.57 +10 47 32.5 q Y00
2018-08-07 23:51:28 C 16 33 44.88 +10 47 38.6 q Y00
2018-08-08 02:26:07 C 16 35 10.87 +10 52 28.3 U 734
2018-08-08 02:29:53 C 16 35 12.82 +10 52 37.8 U 734
2018-08-08 02:37:25 C 16 35 16.75 +10 52 56.9 U 734
2018-08-08 03:42:24 C 16 35 51.27 +10 55 56.0 o 711
2018-08-08 03:46:03 C 16 35 53.22 +10 56 05.2 o 711
2018-08-08 03:49:46 C 16 35 55.16 +10 56 14.7 o 711
2018-08-08 18:30:31 S 16 44 03.828 +11 33 55.37 L C51
2018-08-08 19:47:54 C 16 44 45.04 +11 36 07.0 o K88
2018-08-08 19:52:04 C 16 44 47.27 +11 36 17.5 o K88
2018-08-08 19:56:14 C 16 44 49.52 +11 36 27.8 o K88
2018-08-08 21:17:21 C 16 45 35.891 +11 40 24.47 V J04
2018-08-08 21:17:56 C 16 45 36.214 +11 40 25.92 V J04
2018-08-08 21:18:31 C 16 45 36.532 +11 40 27.55 V J04
2018-08-08 21:39:01 S 16 45 49.013 +11 41 46.61 L C51
2018-08-08 23:13:16 S 16 46 41.750 +11 45 41.00 L C51
2018-08-09 00:47:31 S 16 47 34.620 +11 49 37.16 L C51
2018-08-09 02:21:46 S 16 48 27.583 +11 53 30.62 L C51
2018-08-09 03:46:41 C 16 49 11.96 +11 56 11.3 u H21
2018-08-09 03:51:12 C 16 49 14.41 +11 56 22.3 u H21
2018-08-09 04:00:19 C 16 49 19.36 +11 56 44.7 u H21
2018-08-09 04:14:41 C 16 49 28.26 +11 57 37.4 o 711
2018-08-09 04:18:23 C 16 49 30.26 +11 57 46.5 o 711
2018-08-09 04:22:02 C 16 49 32.24 +11 57 55.3 o 711
2018-08-09 05:02:03 C 16 49 56.13 +11 59 04.6 L 658
2018-08-09 05:02:53 C 16 49 56.59 +11 59 06.8 L 658
2018-08-09 05:04:32 C 16 49 57.51 +11 59 11.0 L 658
2018-08-09 05:05:22 C 16 49 57.96 +11 59 13.1 L 658
2018-08-09 05:06:12 C 16 49 58.41 +11 59 15.4 L 658
2018-08-09 05:07:03 C 16 49 58.86 +11 59 17.5 L 658
2018-08-09 05:30:16 S 16 50 13.618 +12 01 16.79 L C51
2018-08-09 12:11:27 C 16 53 58.12 +12 17 04.1 r P93
2018-08-09 12:13:46 C 16 53 59.37 +12 17 09.0 r P93
2018-08-09 12:18:27 C 16 54 01.88 +12 17 21.2 r P93
2018-08-09 12:20:46 C 16 54 03.23 +12 17 26.7 r P93
2018-08-09 20:26:52 C 16 58 40.27 +12 36 51.5 q 160
2018-08-09 20:28:50 C 16 58 41.35 +12 36 56.0 q 160
2018-08-09 20:32:47 C 16 58 43.52 +12 37 05.5 q 160