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
2019-09-04 07:23:34 C 23 39 19.31 +02 45 05.6 V G96
2019-09-04 07:31:03 C 23 39 18.80 +02 44 56.3 V G96
2019-09-04 07:38:31 C 23 39 18.31 +02 44 47.0 V G96
2019-09-04 07:45:59 C 23 39 17.80 +02 44 37.8 V G96
2019-09-04 12:58:23 C 23 38 57.10 +02 38 09.5 V T05
2019-09-04 12:59:42 C 23 38 57.02 +02 38 08.1 V T05
2019-09-04 13:03:08 C 23 38 56.78 +02 38 04.2 V T05
2019-09-04 13:04:28 C 23 38 56.65 +02 38 02.3 V T05
2019-09-04 13:12:55 C 23 38 56.10 +02 37 51.9 V T05
2019-09-04 13:14:14 C 23 38 55.99 +02 37 50.4 V T05
2019-09-04 13:32:12 C 23 38 54.73 +02 37 27.3 V T05
2019-09-05 00:14:14 C 23 38 13.26 +02 23 56.0 q 160
2019-09-05 00:17:03 C 23 38 13.08 +02 23 52.7 q 160
2019-09-05 00:20:17 C 23 38 12.85 +02 23 48.6 q 160
2019-09-07 23:15:04 C 23 33 26.21 +00 52 07.4 q 160
2019-09-07 23:18:06 C 23 33 26.01 +00 52 03.3 q 160
2019-09-07 23:21:07 C 23 33 25.79 +00 51 59.3 q 160
2019-09-10 10:02:49 C 23 29 18.80 -00 26 40.0 V T08
2019-09-10 10:07:27 C 23 29 18.47 -00 26 46.5 V T08
2019-09-10 10:15:57 C 23 29 17.85 -00 26 57.9 V T08
2019-09-10 10:35:31 C 23 29 16.37 -00 27 24.5 V T08
2019-09-16 23:05:06 C 23 17 53.61 -04 04 54.0 q 160
2019-09-16 23:07:28 C 23 17 53.41 -04 04 57.4 q 160
2019-09-16 23:10:26 C 23 17 53.22 -04 05 01.2 q 160
2019-09-18 05:16:13 C 23 15 40.78 -04 47 14.9 u H21
2019-09-18 05:19:37 C 23 15 40.52 -04 47 20.0 u H21
2019-09-18 05:23:24 C 23 15 40.23 -04 47 25.3 u H21
2019-09-18 05:27:11 C 23 15 39.94 -04 47 30.4 u H21
2019-09-18 05:30:57 C 23 15 39.67 -04 47 35.9 u H21
2019-09-18 05:34:44 C 23 15 39.37 -04 47 41.1 u H21
2019-09-18 05:38:31 C 23 15 39.07 -04 47 46.5 u H21
2019-09-18 05:42:02 C 23 15 38.81 -04 47 51.6 u H21
2019-09-18 09:50:51 C 23 15 20.666 -04 53 36.82 U F51
2019-09-18 10:08:01 C 23 15 19.350 -04 54 00.81 U F51
2019-09-18 10:25:12 C 23 15 18.026 -04 54 24.91 U F51
2019-09-18 10:42:25 C 23 15 16.701 -04 54 49.06 U F51
2019-09-19 23:44:20 C 23 12 34.50 -05 46 41.8 V A16
2019-09-19 23:55:40 C 23 12 33.77 -05 46 57.8 V A16
2019-09-20 00:07:06 C 23 12 32.84 -05 47 13.6 V A16
2019-09-20 00:41:13 C 23 12 30.35 -05 48 02.9 V A16
2019-09-20 06:10:32 C 23 12 06.78 -05 55 37.3 V 703
2019-09-20 06:18:16 C 23 12 06.25 -05 55 49.3 V 703
2019-09-20 06:25:59 C 23 12 05.71 -05 55 58.4 V 703
2019-09-20 06:33:43 C 23 12 05.12 -05 56 09.6 V 703
2019-09-21 05:13:31 C 23 10 26.97 -06 27 39.3 V G96
2019-09-21 05:21:30 C 23 10 26.36 -06 27 50.4 V G96
2019-09-21 05:29:28 C 23 10 25.76 -06 28 01.5 V G96
2019-09-21 05:37:27 C 23 10 25.17 -06 28 12.5 V G96
2019-09-22 09:05:07 C 23 08 26.957 -07 06 03.98 U F51
2019-09-22 09:21:10 C 23 08 25.752 -07 06 26.02 U F51