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
2005-08-08 06:46:45 C 18 04 52.06 +15 29 13.9 t 608
2005-08-08 07:17:28 C 18 04 52.01 +15 28 26.1 t 608
2005-08-11 20:24:18 C 18 05 20.84 +13 18 16.1 o 198
2005-08-11 20:25:09 C 18 05 20.85 +13 18 14.8 o 198
2005-08-11 20:27:43 C 18 05 20.87 +13 18 10.9 o 198
2005-08-11 20:29:26 C 18 05 20.88 +13 18 08.3 o 198
2005-08-11 20:43:57 C 18 05 20.98 +13 17 46.5 o 198
2005-08-15 07:18:40 C 18 06 21.47 +11 15 55.1 t 608
2005-08-15 07:49:03 C 18 06 21.82 +11 15 11.2 t 608
2008-08-17 07:19:41 C 23 40 40.20 +09 46 05.4 o H55
2008-08-17 07:25:14 C 23 40 39.98 +09 46 00.7 o H55
2008-08-17 07:30:48 C 23 40 39.69 +09 45 56.5 o H55
2008-08-27 21:04:31 C 23 27 17.91 +05 43 12.2 A50
2008-08-27 21:47:02 C 23 27 15.19 +05 42 26.0 A50
2008-08-30 02:17:59 C 23 23 54.44 +04 42 28.7 c B37
2008-08-30 02:50:07 C 23 23 52.27 +04 41 51.5 c B37
2008-08-30 02:55:02 C 23 23 51.96 +04 41 46.3 c B37
2008-08-30 02:58:37 C 23 23 51.74 +04 41 40.2 c B37
2008-09-02 20:40:43 C 23 17 49.66 +02 52 40.5 18.4 o 152
2008-09-02 21:41:32 C 23 17 45.30 +02 51 23.4 18.7 o 152
2008-09-02 22:15:34 C 23 17 42.79 +02 50 37.0 18.5 o 152
2008-09-04 07:44:51 C 23 15 21.89 +02 08 11.7 c 711
2008-09-04 07:51:56 C 23 15 21.37 +02 08 02.3 c 711
2008-09-04 07:59:00 C 23 15 20.85 +02 07 53.4 c 711
2008-09-05 04:30:37 C 23 13 54.09 +01 41 21.7 o 691
2008-09-05 05:26:13 C 23 13 49.99 +01 40 09.7 o 691
2008-09-09 00:24:27 C 23 07 14.58 -00 20 28.4 r 130
2008-09-09 00:28:16 C 23 07 14.29 -00 20 33.0 r 130
2008-09-09 00:29:36 C 23 07 14.13 -00 20 36.1 r B67
2008-09-09 00:31:30 C 23 07 14.02 -00 20 38.2 r 130
2008-09-09 00:34:24 C 23 07 13.80 -00 20 41.8 r 130
2008-09-09 00:36:16 C 23 07 13.64 -00 20 45.5 r B67
2008-09-09 00:44:53 C 23 07 13.00 -00 20 56.7 r B67
2008-09-22 03:42:46 C 22 44 52.11 -07 26 30.2 o 691
2008-09-22 04:02:09 C 22 44 50.73 -07 26 55.3 o 691
2008-09-22 04:21:31 C 22 44 49.41 -07 27 20.7 o 691
2008-09-25 05:41:07 C 22 40 10.27 -09 00 42.5 r G96
2008-09-25 05:49:04 C 22 40 09.80 -09 00 51.5 r G96
2008-09-25 05:57:02 C 22 40 09.22 -09 01 02.1 r G96
2008-09-25 06:05:00 C 22 40 08.72 -09 01 12.0 r G96
2008-09-28 03:57:04 C 22 36 03.40 -10 25 58.2 19.1 c 704
2008-09-28 04:14:53 C 22 36 02.35 -10 26 19.5 19.9 c 704
2008-09-28 04:32:39 C 22 36 01.28 -10 26 40.0 19.5 c 704
2008-09-28 04:50:28 C 22 36 00.28 -10 27 01.2 19.0 c 704
2008-09-28 05:08:17 C 22 35 59.22 -10 27 22.5 18.7 c 704
2008-09-29 05:54:30 C 22 34 37.56 -10 56 16.9 r 703
2008-09-29 06:11:10 C 22 34 36.62 -10 56 36.0 r 703
2008-09-29 06:27:57 C 22 34 35.61 -10 56 56.2 r 703
2008-10-02 02:31:17 C 22 31 07.81 -12 13 01.9 o 691
2008-10-02 02:46:48 C 22 31 07.02 -12 13 18.7 o 691