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
2018-09-07 03:56:45 C 21 30 47.71 +16 28 35.5 V I52
2018-09-07 03:57:21 C 21 30 47.82 +16 28 35.1 V I52
2018-09-07 03:58:46 C 21 30 48.04 +16 28 34.5 V I52
2018-09-07 03:59:22 C 21 30 48.15 +16 28 34.1 V I52
2018-09-08 09:52:27 C 21 35 50.46 +16 09 23.0 V I52
2018-09-08 09:53:03 C 21 35 50.58 +16 09 23.0 V I52
2018-09-08 09:55:18 C 21 35 50.95 +16 09 21.4 V I52
2018-09-08 09:57:06 C 21 35 51.23 +16 09 20.5 V I52
2018-09-10 04:15:24 C 21 42 37.09 +15 42 17.2 V G96
2018-09-10 04:23:00 C 21 42 38.13 +15 42 12.7 V G96
2018-09-10 04:30:36 C 21 42 39.21 +15 42 08.0 V G96
2018-09-10 04:38:11 C 21 42 40.26 +15 42 03.3 V G96
2018-09-11 04:26:28 C 21 46 10.70 +15 26 44.5 20.1 q H21
2018-09-11 04:35:49 C 21 46 11.94 +15 26 38.4 20.4 q H21
2018-09-11 04:45:07 C 21 46 13.21 +15 26 32.1 20.2 q H21
2018-09-12 05:04:55 C 21 49 40.02 +15 11 06.4 703
2018-09-12 05:13:06 C 21 49 41.09 +15 11 02.0 703
2018-09-12 05:21:19 C 21 49 42.05 +15 10 56.4 703
2018-09-12 05:29:30 C 21 49 43.05 +15 10 49.7 703
2018-09-14 04:24:48 C 21 55 54.53 +14 41 10.9 q H21
2018-09-14 04:30:57 C 21 55 55.27 +14 41 07.1 20.2 q H21
2018-09-14 04:37:08 C 21 55 55.97 +14 41 03.3 20.2 q H21
2018-09-29 04:56:06 C 22 31 13.76 +11 20 50.2 V I52
2018-09-29 05:02:17 C 22 31 14.20 +11 20 47.6 V I52
2018-09-29 05:07:04 C 22 31 14.55 +11 20 45.3 V I52
2018-10-05 03:12:48 C 22 41 43.65 +10 18 15.9 o 711
2018-10-05 03:18:33 C 22 41 43.98 +10 18 13.5 o 711
2018-10-05 03:27:52 C 22 41 44.58 +10 18 10.2 o 711