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
2018-08-09 20:36:43 C 16 58 45.69 +12 37 14.9 q 160
2018-08-09 21:38:06 C 16 59 20.85 +12 39 30.5 V J95
2018-08-09 21:49:44 C 16 59 27.29 +12 39 58.2 V J95
2018-08-09 22:23:11 C 16 59 45.89 +12 41 17.4 V J95
2018-08-10 02:45:53 C 17 02 18.55 +12 52 09.1 U 734
2018-08-10 02:53:10 C 17 02 22.56 +12 52 26.3 U 734
2018-08-10 03:08:15 C 17 02 30.83 +12 53 01.8 U 734
2018-08-10 03:15:29 C 17 02 34.81 +12 53 18.9 U 734
2018-08-10 03:50:37 C 17 02 53.34 +12 54 38.6 u H21
2018-08-10 03:53:44 C 17 02 55.06 +12 54 45.7 u H21
2018-08-10 03:56:50 C 17 02 56.77 +12 54 53.0 u H21
2018-08-10 03:59:57 C 17 02 58.49 +12 55 00.3 u H21
2018-08-10 04:04:05 C 17 03 00.80 +12 55 09.9 u H21
2018-08-10 05:10:21 C 17 03 40.89 +12 57 34.5 L 658
2018-08-10 05:12:00 C 17 03 41.78 +12 57 38.5 L 658
2018-08-10 05:12:46 C 17 03 42.23 +12 57 40.3 L 658
2018-08-10 05:13:37 C 17 03 42.68 +12 57 42.3 L 658
2018-08-10 05:14:26 C 17 03 43.13 +12 57 44.3 L 658
2018-08-10 05:15:12 C 17 03 43.59 +12 57 46.0 L 658
2018-08-10 12:46:48 C 17 08 02.61 +13 15 48.8 r P93
2018-08-10 12:49:08 C 17 08 03.89 +13 15 54.0 r P93
2018-08-10 12:51:28 C 17 08 05.26 +13 16 00.5 r P93
2018-08-12 03:36:41 C 17 30 42.44 +14 41 35.7 18.9 q H21
2018-08-12 03:40:57 C 17 30 44.84 +14 41 44.2 18.7 q H21
2018-08-12 03:46:40 C 17 30 48.08 +14 41 56.2 18.9 q H21
2018-08-14 22:34:55 C 18 09 51.34 +16 43 12.5 q 204
2018-08-14 22:47:18 C 18 09 58.28 +16 43 30.9 q 204
2018-08-14 23:00:30 C 18 10 05.67 +16 43 50.6 q 204
2018-08-28 19:52:47 C 20 38 48.08 +18 34 58.4 q A17
2018-08-28 20:12:55 C 20 38 53.90 +18 34 49.6 q A17
2018-08-28 20:29:55 C 20 38 58.71 +18 34 43.1 q A17
2018-08-29 06:53:33 C 20 42 01.78 +18 30 30.4 o 691
2018-08-29 07:02:13 C 20 42 04.18 +18 30 26.3 o 691
2018-08-29 07:10:56 C 20 42 06.58 +18 30 22.4 o 691
2018-09-01 06:25:50 C 21 01 15.47 +17 54 18.8 V I52
2018-09-01 06:28:54 C 21 01 16.16 +17 54 17.5 V I52
2018-09-01 06:30:48 C 21 01 16.60 +17 54 16.2 V I52
2018-09-01 06:32:54 C 21 01 17.08 +17 54 14.9 V I52
2018-09-02 04:20:46 C 21 06 30.43 +17 41 48.7 V H21
2018-09-02 04:27:14 C 21 06 31.84 +17 41 45.0 V H21
2018-09-02 04:33:44 C 21 06 33.27 +17 41 41.3 V H21
2018-09-04 04:43:44 C 21 17 08.15 +17 13 03.8 V H21
2018-09-04 04:51:43 C 21 17 09.72 +17 12 58.6 V H21
2018-09-04 04:59:43 C 21 17 11.27 +17 12 53.5 V H21
2018-09-04 05:28:45 C 21 17 18.16 +17 12 42.9 V I52
2018-09-04 05:33:12 C 21 17 19.01 +17 12 40.2 V I52
2018-09-04 05:33:49 C 21 17 19.14 +17 12 39.6 V I52
2018-09-04 05:40:08 C 21 17 20.34 +17 12 36.0 V I52
2018-09-05 07:58:49 C 21 22 35.39 +16 56 18.9 V I52
2018-09-05 08:00:33 C 21 22 35.69 +16 56 17.8 V I52