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
2008-08-06 14:13:50 C 23 20 40.34 -19 17 27.5 r E12
2008-08-06 14:28:45 C 23 20 39.22 -19 17 23.8 r E12
2008-08-06 14:43:39 C 23 20 38.11 -19 17 20.6 r E12
2008-08-06 14:58:34 C 23 20 36.96 -19 17 16.7 r E12
2008-08-06 17:22:56 C 23 20 25.86 -19 16 44.0 r E12
2008-08-06 17:23:53 C 23 20 25.73 -19 16 43.8 r E12
2008-08-06 19:33:56 C 23 20 15.84 -19 16 14.8 r E12
2008-08-08 00:22:33 C 23 18 04.97 -19 09 48.2 c A55
2008-08-08 00:32:51 C 23 18 04.18 -19 09 45.6 c A55
2008-08-08 00:43:11 C 23 18 03.34 -19 09 43.3 c A55
2008-08-08 00:56:59 C 23 18 02.31 -19 09 40.2 r 473
2008-08-08 00:58:59 C 23 18 02.18 -19 09 39.9 r 473
2008-08-08 07:51:13 C 23 17 30.67 -19 08 04.3 19.5 r H36
2008-08-08 08:07:13 C 23 17 29.24 -19 08 01.4 19.6 r H36
2008-08-08 08:11:41 C 23 17 28.93 -19 07 59.6 19.6 o H55
2008-08-08 08:20:34 C 23 17 28.38 -19 07 58.5 19.1 r H36
2008-08-08 08:24:24 C 23 17 27.91 -19 07 56.7 19.7 o H55
2008-08-26 00:36:38 C 22 43 25.32 -17 16 17.2 v 204
2008-08-26 01:35:53 C 22 43 20.51 -17 15 59.7 v 204
2008-09-06 06:06:28 C 22 23 20.43 -15 51 34.7 r 703
2008-09-06 06:15:48 C 22 23 19.75 -15 51 30.1 r 703
2008-09-06 06:25:12 C 22 23 19.14 -15 51 28.2 r 703
2008-09-06 06:34:29 C 22 23 18.45 -15 51 25.7 r 703
2008-09-06 12:55:16 C 22 22 52.54 -15 49 14.4 r E12
2008-09-06 14:24:19 C 22 22 46.34 -15 48 44.7 r E12
2008-09-17 11:06:20 C 22 07 09.98 -14 20 46.7 r E12
2008-09-17 11:21:57 C 22 07 09.21 -14 20 41.1 r E12
2008-09-22 03:46:28 C 22 01 47.89 -13 42 19.7 r 448
2008-09-22 04:10:20 C 22 01 46.88 -13 42 13.1 r 448
2008-09-22 04:36:35 C 22 01 45.69 -13 42 03.9 r 448
2008-09-29 03:09:44 C 21 55 24.90 -12 45 23.2 r 448
2008-09-29 03:46:46 C 21 55 23.69 -12 45 10.3 r 448
2008-09-29 04:25:39 C 21 55 22.43 -12 44 58.4 r 448
2008-10-20 03:08:44 C 21 46 51.86 -09 58 45.8 o 291
2008-11-05 01:00:34 C 21 48 58.61 -07 56 49.5 o H55
2008-11-05 01:19:32 C 21 48 58.86 -07 56 43.1 o H55
2008-11-05 01:37:09 C 21 48 59.08 -07 56 36.8 o H55
2012-04-22 03:25:39 C 06 10 13.45 +48 55 21.9 o 291
2012-04-22 03:30:18 C 06 10 13.90 +48 55 19.9 o 291
2012-04-22 03:34:33 C 06 10 14.23 +48 55 19.7 o 291
2012-04-22 03:49:20 C 06 10 15.16 +48 55 11.8 o 291
2012-04-22 03:53:33 C 06 10 15.38 +48 55 11.0 o 291
2012-04-22 03:57:47 C 06 10 15.73 +48 55 09.8 o 291
2013-05-07 17:25:41 C 23 27 07.16 -28 55 33.1 o 474
2013-05-07 17:29:43 C 23 27 07.41 -28 55 30.5 o 474
2013-05-07 17:33:47 C 23 27 07.66 -28 55 28.0 o 474
2013-05-07 17:37:50 C 23 27 07.91 -28 55 25.3 o 474
2013-05-07 17:41:53 C 23 27 08.14 -28 55 22.5 o 474
2013-05-08 17:08:30 C 23 28 33.81 -28 40 04.8 o 474
2013-05-08 17:12:33 C 23 28 34.10 -28 40 01.9 o 474