2001 PH9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5412461401 ± 9.37e-08
Semi-major axis (a)2.7189716302 AU ± 2.02e-08
Inclination (i)5.44916906° ± 6.95e-06
Long. of Asc. Node (Ω)287.32130806° ± 7.54e-05
Arg. of Perihelion (ω)65.58783134° ± 9.27e-05
Mean Anomaly (M)139.91116630° ± 2.03e-05
Mean Motion (n)0.2198392643°/day ± 2.46e-09
Perihelion dist (q)1.24733873 AU ± 2.55e-07
Aphelion dist (Q)4.19060453 AU ± 2.57e-07
Orbital Period4.48339511 yr ± 5.01e-08
Physical Parameters
H (abs. magnitude)21.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.360″
Uncertainty0
Orbit TypeAmor
MOID0.257622 AU
Observations Used72
Oppositions14
Arc Total2001-2019
First Observation Used2001-08-10
Last Observation Used2019-11-04
Observations (74)
Date Type RA Dec Mag Band Observatory
2010-09-10 06:51:12 C 23 36 09.03 +24 12 13.3 r 703
2010-09-10 06:57:39 C 23 36 09.39 +24 12 20.4 r 703
2010-09-10 07:04:16 C 23 36 09.79 +24 12 27.5 r 703
2010-09-10 07:10:51 C 23 36 10.33 +24 12 34.3 r 703
2010-09-18 08:40:01 C 23 49 55.93 +27 06 57.6 u 448
2010-09-18 09:02:02 C 23 49 57.29 +27 07 12.9 u 448
2010-09-18 09:24:13 C 23 49 58.62 +27 07 28.4 u 448
2010-10-02 03:34:37 C 00 12 44.88 +29 29 59.1 u 448
2010-10-02 04:01:06 C 00 12 46.45 +29 30 03.6 u 448
2010-10-02 04:27:25 C 00 12 48.01 +29 30 08.4 u 448
2010-12-03 03:08:06 C 01 42 35.46 +21 53 13.6 r G96
2010-12-03 03:19:03 C 01 42 36.10 +21 53 11.0 r G96
2010-12-03 03:29:57 C 01 42 36.68 +21 53 08.3 r G96
2010-12-03 03:40:47 C 01 42 37.33 +21 53 05.9 r G96
2019-08-03 09:14:56 C 01 00 35.95 +16 58 01.2 u H21
2019-08-03 09:21:39 C 01 00 36.85 +16 58 10.3 u H21
2019-10-22 08:38:59 C 03 41 25.05 +35 33 05.4 V G96
2019-10-22 08:46:22 C 03 41 24.92 +35 33 03.8 V G96
2019-10-22 08:53:45 C 03 41 24.69 +35 33 02.0 V G96
2019-10-22 09:01:10 C 03 41 24.58 +35 33 00.0 V G96
2019-11-04 06:24:28 C 03 33 21.06 +33 40 05.3 V G96
2019-11-04 06:31:57 C 03 33 20.76 +33 40 02.2 V G96
2019-11-04 06:39:24 C 03 33 20.46 +33 39 58.6 V G96
2019-11-04 06:46:51 C 03 33 20.16 +33 39 55.2 V G96