2018 PG9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6503061817 ± 9.73e-05
Semi-major axis (a)2.4625112486 AU ± 6.13e-04
Inclination (i)5.73997452° ± 1.10e-03
Long. of Asc. Node (Ω)144.13637746° ± 6.67e-04
Arg. of Perihelion (ω)265.35340958° ± 1.87e-03
Mean Anomaly (M)296.44133128° ± 2.45e-01
Mean Motion (n)0.2550615189°/day ± 9.53e-05
Perihelion dist (q)0.86112496 AU ± 3.22e-04
Aphelion dist (Q)4.06389754 AU ± 1.04e-03
Orbital Period3.86426885 yr ± 1.44e-03
Physical Parameters
H (abs. magnitude)22.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.236″
Uncertainty3
Orbit TypeApollo
MOID0.056218 AU
Observations Used30
Oppositions1
Arc Total2018-2018
First Observation Used2018-08-05
Last Observation Used2018-09-10
Observations (30)
Date Type RA Dec Mag Band Observatory
2018-08-05 09:31:01 C 21 15 57.875 -12 42 45.32 U F51
2018-08-05 09:48:03 C 21 15 56.983 -12 42 54.10 U F51
2018-08-05 10:05:02 C 21 15 56.069 -12 43 03.09 U F51
2018-08-06 07:50:44 C 21 14 50.91 -12 54 39.3 o 291
2018-08-06 07:57:12 C 21 14 50.53 -12 54 42.5 o 291
2018-08-06 08:03:39 C 21 14 50.19 -12 54 45.7 o 291
2018-08-08 06:49:44 C 21 12 21.46 -13 21 15.7 o 711
2018-08-08 06:57:03 C 21 12 20.97 -13 21 20.1 o 711
2018-08-08 07:02:32 C 21 12 20.65 -13 21 23.3 o 711
2018-08-09 05:17:36 C 21 11 05.40 -13 34 50.5 u H21
2018-08-09 05:24:36 C 21 11 04.97 -13 34 55.1 u H21
2018-08-09 05:32:11 C 21 11 04.51 -13 35 00.0 u H21
2018-08-09 06:33:44 C 21 11 00.81 -13 35 37.6 U 734
2018-08-09 06:57:48 C 21 10 59.31 -13 35 53.1 U 734
2018-08-11 09:08:13 C 21 07 58.570 -14 08 09.14 V T12
2018-08-11 09:10:15 C 21 07 58.429 -14 08 10.47 V T12
2018-08-13 10:12:59 C 21 04 46.329 -14 42 31.06 U F51
2018-08-13 10:32:08 C 21 04 44.946 -14 42 45.04 U F51
2018-08-13 10:51:16 C 21 04 43.531 -14 42 59.19 U F51
2018-08-13 11:10:26 C 21 04 42.142 -14 43 13.04 U F51
2018-08-31 03:41:18 C 20 27 10.43 -21 39 44.6 V I52
2018-08-31 03:44:54 C 20 27 10.04 -21 39 49.0 V I52
2018-08-31 03:48:29 C 20 27 09.58 -21 39 53.4 V I52
2018-08-31 03:52:05 C 20 27 09.22 -21 39 57.8 V I52
2018-09-05 10:30:26 C 20 12 32.91 -24 25 55.4 V 474
2018-09-05 10:34:40 C 20 12 32.37 -24 26 01.2 V 474
2018-09-05 10:38:54 C 20 12 31.79 -24 26 06.9 V 474
2018-09-10 03:47:14 C 19 58 08.02 -27 12 11.5 V I52
2018-09-10 03:54:25 C 19 58 06.96 -27 12 22.7 V I52
2018-09-10 03:58:01 C 19 58 06.46 -27 12 27.8 V I52