523626 (2008 PH9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5591723511 ± 1.86e-07
Semi-major axis (a)2.9149583975 AU ± 4.32e-08
Inclination (i)35.58600213° ± 3.32e-05
Long. of Asc. Node (Ω)341.21320767° ± 8.36e-06
Arg. of Perihelion (ω)247.89722120° ± 3.40e-05
Mean Anomaly (M)206.82124774° ± 4.55e-05
Mean Motion (n)0.1980449328°/day ± 4.40e-09
Perihelion dist (q)1.28499426 AU ± 5.42e-07
Aphelion dist (Q)4.54492254 AU ± 5.45e-07
Orbital Period4.97678113 yr ± 1.11e-07
Physical Parameters
H (abs. magnitude)16.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.264″
Uncertainty0
Orbit TypeAmor
MOID0.516897 AU
Observations Used124
Oppositions12
Arc Total2008-2023
First Observation Used2008-08-06
Last Observation Used2023-10-13
Observations (135)
Date Type RA Dec Mag Band Observatory
2013-05-08 17:16:36 C 23 28 34.36 -28 39 59.6 o 474
2013-05-08 17:20:40 C 23 28 34.57 -28 39 57.9 o 474
2013-05-08 17:24:43 C 23 28 34.83 -28 39 54.4 o 474
2013-07-04 10:14:48 C 00 02 02.34 -17 56 17.1 u 807
2013-07-04 10:18:20 C 00 02 02.29 -17 56 16.0 u 807
2013-07-04 10:21:52 C 00 02 02.23 -17 56 14.9 u 807
2013-07-04 10:25:25 C 00 02 02.17 -17 56 13.9 u 807
2013-07-04 10:28:57 C 00 02 02.11 -17 56 12.8 u 807
2013-07-31 07:41:22 C 23 37 40.55 -15 16 11.1 V G45
2013-07-31 08:05:52 C 23 37 39.02 -15 16 06.1 V G45
2013-07-31 09:50:29 C 23 37 32.69 -15 15 44.8 V G45
2013-07-31 10:10:18 C 23 37 31.46 -15 15 40.4 V G45
2013-08-30 10:31:31 C 22 45 54.131 -12 41 20.39 L F51
2013-08-30 10:48:42 C 22 45 52.838 -12 41 16.34 L F51
2013-08-31 09:53:53 C 22 44 11.602 -12 35 54.03 L F51
2013-08-31 10:14:47 C 22 44 10.048 -12 35 49.23 L F51
2013-08-31 10:35:36 C 22 44 08.496 -12 35 44.31 L F51
2013-09-01 05:32:42 C 22 42 46.17 -12 31 18.8 q 703
2013-09-01 05:44:49 C 22 42 45.53 -12 31 17.7 q 703
2013-09-01 05:56:53 C 22 42 44.47 -12 31 13.3 q 703
2013-09-01 06:09:03 C 22 42 43.52 -12 31 10.4 q 703
2013-09-01 14:32:46 C 22 42 07.32 -12 29 13.4 q D29
2013-09-01 14:58:32 C 22 42 05.43 -12 29 05.7 q D29
2013-09-01 15:24:18 C 22 42 03.41 -12 28 59.4 q D29
2013-09-25 04:09:14 C 22 09 03.73 -10 09 08.9 q G96
2013-09-25 04:18:06 C 22 09 03.36 -10 09 06.7 q G96
2013-09-25 04:26:54 C 22 09 02.97 -10 09 04.5 q G96
2013-09-25 04:35:37 C 22 09 02.61 -10 09 02.1 q G96
2018-08-11 13:03:53 C 23 27 43.382 -10 08 46.32 U F51
2018-08-11 13:20:42 C 23 27 42.252 -10 08 43.11 U F51
2018-08-11 13:37:34 C 23 27 41.123 -10 08 39.88 U F51
2018-08-11 13:54:21 C 23 27 39.993 -10 08 36.70 U F51
2018-09-07 06:33:52 C 22 43 02.91 -08 14 33.5 V G96
2018-09-07 06:42:01 C 22 43 02.45 -08 14 33.1 V G96
2018-09-07 06:50:09 C 22 43 01.91 -08 14 31.5 V G96
2018-09-07 06:58:16 C 22 43 01.37 -08 14 30.1 V G96
2018-09-11 15:31:11 C 22 36 20.61 -07 56 20.3 q D29
2018-09-11 15:51:33 C 22 36 19.33 -07 56 16.8 q D29
2018-09-14 04:28:22 C 22 32 40.21 -07 45 42.4 V G96
2018-09-14 04:36:40 C 22 32 39.71 -07 45 40.9 V G96
2018-09-14 04:44:57 C 22 32 39.22 -07 45 39.6 V G96
2018-09-14 04:53:14 C 22 32 38.70 -07 45 37.8 V G96
2018-09-30 07:00:47 C 22 13 57.127 -06 36 56.94 U F52
2018-09-30 07:16:27 C 22 13 56.534 -06 36 53.94 U F52
2018-09-30 07:32:15 C 22 13 55.917 -06 36 51.02 U F52
2018-10-06 02:08:38 C 22 09 20.07 -06 11 29.5 V G96
2018-10-06 02:16:45 C 22 09 19.88 -06 11 27.6 V G96
2018-10-06 02:24:52 C 22 09 19.57 -06 11 26.2 V G96
2018-10-06 02:33:00 C 22 09 19.31 -06 11 25.0 V G96
2018-10-10 06:52:19 C 22 06 41.670 -05 52 41.79 U F52