108906 (2001 PL9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3604047361 ± 1.49e-08
Semi-major axis (a)1.2352431288 AU ± 1.14e-09
Inclination (i)20.92746995° ± 1.78e-06
Long. of Asc. Node (Ω)172.04565673° ± 4.13e-06
Arg. of Perihelion (ω)344.01905331° ± 4.11e-06
Mean Anomaly (M)30.54288695° ± 3.98e-06
Mean Motion (n)0.7179324872°/day ± 9.92e-10
Perihelion dist (q)0.79005565 AU ± 1.84e-08
Aphelion dist (Q)1.68043060 AU ± 1.84e-08
Orbital Period1.37286765 yr ± 1.90e-09
Physical Parameters
H (abs. magnitude)17.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.181″
Uncertainty0
Orbit TypeApollo
MOID0.192603 AU
Observations Used651
Gaia Obs Used96
Oppositions4
Arc Total2001-2016
First Observation Used2001-08-05
Last Observation Used2023-11-10
Observations (681)
Date Type RA Dec Mag Band Observatory
2008-10-02 03:02:19 C 22 31 06.23 -12 13 35.6 o 691
2008-10-06 02:43:05 C 22 26 54.77 -13 51 53.5 o 691
2008-10-06 02:58:38 C 22 26 54.10 -13 52 08.8 o 691
2008-10-27 02:40:38 C 22 19 02.92 -19 39 52.7 r 703
2008-10-27 02:52:11 C 22 19 03.03 -19 39 56.0 r 703
2008-10-27 03:03:47 C 22 19 03.21 -19 40 02.9 r 703
2008-10-27 03:15:14 C 22 19 03.28 -19 40 10.0 r 703
2009-07-02 03:48:04 C 12 55 17.77 +33 33 23.7 18.8 c 704
2009-07-02 04:02:24 C 12 55 20.83 +33 33 06.5 19.4 c 704
2009-07-02 04:16:45 C 12 55 23.81 +33 32 48.8 19.4 c 704
2009-07-02 04:31:10 C 12 55 26.83 +33 32 30.0 19.8 c 704
2011-11-12 06:04:13 C 08 54 55.17 -33 02 21.7 o 807
2011-11-12 06:14:51 C 08 54 57.72 -33 02 38.6 o 807
2011-11-12 06:20:50 C 08 54 59.12 -33 02 47.4 o 807
2011-11-12 06:25:19 C 08 55 00.13 -33 02 54.6 o 807
2011-11-12 06:29:27 C 08 55 01.13 -33 03 01.2 o 807
2011-11-12 06:33:32 C 08 55 02.04 -33 03 07.0 o 807
2012-07-13 09:05:18 C 22 05 36.75 +20 23 15.6 19.4 c 704
2012-07-13 09:20:29 C 22 05 35.98 +20 23 12.5 19.5 c 704
2012-07-13 09:35:46 C 22 05 35.30 +20 23 09.5 19.9 c 704
2012-07-13 09:50:59 C 22 05 34.66 +20 23 07.3 19.7 c 704
2012-07-13 10:06:11 C 22 05 34.06 +20 23 04.0 19.6 c 704
2012-07-16 22:10:38 C 22 01 53.48 +20 03 14.2 u A13
2012-07-16 22:42:20 C 22 01 51.93 +20 03 05.4 u A13
2012-07-29 01:30:19 C 21 44 48.23 +17 44 59.7 19.1 o J43
2012-07-29 01:48:23 C 21 44 46.97 +17 44 47.0 19.4 o J43
2012-07-29 02:06:35 C 21 44 45.69 +17 44 35.3 19.4 o J43
2012-07-29 02:24:44 C 21 44 44.37 +17 44 22.1 20.0 o J43
2012-07-30 23:40:34 C 21 41 36.10 +17 12 20.0 v I93
2012-07-31 01:01:56 C 21 41 30.20 +17 11 20.6 v I93
2012-07-31 01:58:22 C 21 41 26.00 +17 10 38.0 v I93
2012-08-02 05:13:32 C 21 37 45.73 +16 30 48.2 t H21
2012-08-02 05:19:45 C 21 37 45.27 +16 30 43.4 t H21
2012-08-02 05:24:19 C 21 37 44.91 +16 30 39.6 t H21
2012-08-02 05:27:26 C 21 37 44.68 +16 30 36.9 t H21
2012-08-07 00:58:03 C 21 29 07.74 +14 47 42.2 c A24
2012-08-07 00:59:05 C 21 29 07.70 +14 47 41.6 c A24
2012-08-07 01:00:08 C 21 29 07.59 +14 47 40.7 c A24
2012-08-07 01:01:10 C 21 29 07.52 +14 47 39.5 c A24
2012-08-07 21:47:08 C 21 27 33.39 +14 27 18.7 u A13
2012-08-07 22:21:19 C 21 27 30.70 +14 26 45.0 u A13
2012-08-08 23:34:22 C 21 25 35.17 +14 01 19.9 c A24
2012-08-08 23:35:24 C 21 25 35.10 +14 01 18.8 c A24
2012-08-09 00:43:24 C 21 25 29.72 +14 00 09.9 c A24
2012-08-09 00:44:26 C 21 25 29.61 +14 00 07.9 c A24
2012-08-09 00:45:28 C 21 25 29.55 +14 00 07.0 c A24
2012-08-09 00:46:30 C 21 25 29.47 +14 00 05.4 c A24
2012-08-11 06:29:43 C 21 21 23.67 +13 03 25.1 19.5 c 704
2012-08-11 06:47:18 C 21 21 22.21 +13 03 06.7 19.2 c 704
2012-08-11 07:04:56 C 21 21 21.01 +13 02 45.7 19.1 c 704