2018 PP9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3897049039 ± 4.15e-03
Semi-major axis (a)1.6540738462 AU ± 1.13e-02
Inclination (i)2.28795106° ± 1.79e-02
Long. of Asc. Node (Ω)125.11821467° ± 1.73e-02
Arg. of Perihelion (ω)174.09515158° ± 1.59e-02
Mean Anomaly (M)160.47360911° ± 1.27e+01
Mean Motion (n)0.4632084900°/day ± 4.73e-03
Perihelion dist (q)1.00942860 AU ± 9.72e-03
Aphelion dist (Q)2.29920260 AU ± 1.71e-02
Orbital Period2.12778400 yr ± 2.17e-02
Physical Parameters
H (abs. magnitude)25.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.262″
Uncertainty3
Orbit TypeAmor
MOID0.004022 AU
Observations Used36
Oppositions1
Arc Total2018-2018
First Observation Used
Last Observation Used2018-09-17
Observations (36)
Date Type RA Dec Mag Band Observatory
2018-08-07 13:23:32 C 01 40 51.70 -22 23 09.3 U T05
2018-08-07 13:34:48 C 01 40 48.11 -22 21 19.8 U T05
2018-08-07 13:37:30 C 01 40 47.11 -22 20 52.5 U T05
2018-08-07 13:46:08 C 01 40 44.46 -22 19 27.7 U T05
2018-08-07 13:57:26 C 01 40 40.75 -22 17 36.8 U T05
2018-08-07 14:00:05 C 01 40 39.89 -22 17 11.1 U T05
2018-08-07 14:15:44 C 01 40 34.798 -22 14 37.55 U F51
2018-08-07 14:24:06 C 01 40 32.063 -22 13 15.15 U F51
2018-08-07 14:32:27 C 01 40 29.348 -22 11 53.30 U F51
2018-08-08 01:53:49 C 01 39 06.31 -20 31 55.1 V L01
2018-08-08 01:56:31 C 01 39 05.65 -20 31 33.6 V L01
2018-08-08 01:59:14 C 01 39 05.03 -20 31 12.0 V L01
2018-08-08 11:00:02 C 01 37 57.73 -19 22 30.4 o 711
2018-08-08 11:00:38 C 01 37 57.59 -19 22 25.9 o 711
2018-08-08 11:04:22 C 01 37 56.69 -19 22 01.1 o 711
2018-08-09 01:31:46 C 01 36 45.37 -17 52 57.1 V L01
2018-08-09 01:38:02 C 01 36 44.30 -17 52 23.4 V L01
2018-08-09 01:44:24 C 01 36 43.23 -17 51 49.1 V L01
2018-08-10 02:24:41 C 01 35 04.634 -15 54 19.55 V J04
2018-08-10 02:25:26 C 01 35 04.479 -15 54 16.38 V J04
2018-08-10 02:26:11 C 01 35 04.390 -15 54 13.98 V J04
2018-08-10 02:26:56 C 01 35 04.301 -15 54 11.49 V J04
2018-08-10 02:27:41 C 01 35 04.212 -15 54 08.51 V J04
2018-08-10 02:28:26 C 01 35 04.104 -15 54 05.54 V J04
2018-09-02 09:04:51 C 01 15 45.61 -08 00 23.8 U 807
2018-09-02 09:22:23 C 01 15 44.61 -08 00 21.1 U 807
2018-09-02 09:39:20 C 01 15 43.66 -08 00 18.5 U 807
2018-09-03 07:24:57 C 01 14 56.89 -07 58 57.4 u H21
2018-09-03 07:44:49 C 01 14 55.75 -07 58 54.8 u H21
2018-09-03 07:57:57 C 01 14 55.00 -07 58 53.5 u H21
2018-09-17 05:02:49 C 01 00 37.23 -07 26 34.1 U 807
2018-09-17 05:20:27 C 01 00 36.21 -07 26 32.7 U 807
2018-09-17 05:37:33 C 01 00 35.22 -07 26 31.1 U 807
2018-09-17 08:10:20 C 01 00 28.68 -07 27 11.9 o 291
2018-09-17 08:31:53 C 01 00 27.45 -07 27 10.0 o 291
2018-09-17 08:53:30 C 01 00 26.19 -07 27 08.1 o 291