2015 PK9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2342898269 ± 3.77e-08
Semi-major axis (a)1.2071561950 AU ± 4.20e-09
Inclination (i)11.13027659° ± 3.68e-06
Long. of Asc. Node (Ω)316.12009838° ± 1.05e-06
Arg. of Perihelion (ω)296.81450579° ± 1.01e-05
Mean Anomaly (M)311.81051091° ± 1.99e-05
Mean Motion (n)0.7431339029°/day ± 3.88e-09
Perihelion dist (q)0.92433178 AU ± 4.57e-08
Aphelion dist (Q)1.48998061 AU ± 4.58e-08
Orbital Period1.32631048 yr ± 6.92e-09
Physical Parameters
H (abs. magnitude)23.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.259″
Uncertainty0
Orbit TypeApollo
MOID0.011354 AU
Observations Used242
Radar Obs Used2
Oppositions1
Arc Total2015-2023
First Observation Used2015-08-10
Last Observation Used2023-03-01
Observations (272)
Date Type RA Dec Mag Band Observatory
2015-08-16 04:55:01 C 20 27 12.88 +09 24 19.7 u H21
2015-08-16 05:01:59 C 20 27 13.16 +09 24 50.7 u H21
2015-08-16 05:04:24 C 20 27 13.28 +09 25 01.3 u H21
2015-08-16 05:09:12 C 20 27 13.48 +09 25 22.5 u H21
2015-08-16 05:11:36 C 20 27 13.58 +09 25 33.2 u H21
2015-08-16 05:14:00 C 20 27 13.69 +09 25 43.8 u H21
2015-08-16 05:17:07 C 20 27 13.82 +09 25 57.7 u H21
2015-08-17 05:06:11 C 20 29 06.40 +11 01 25.1 u H21
2015-08-17 05:08:21 C 20 29 06.47 +11 01 32.9 u H21
2015-08-17 05:10:32 C 20 29 06.53 +11 01 40.7 u H21
2015-08-17 05:12:36 C 20 29 06.62 +11 01 48.4 u H21
2015-08-17 05:14:40 C 20 29 06.69 +11 01 55.8 u H21
2015-08-17 05:16:44 C 20 29 06.77 +11 02 03.3 u H21
2015-08-17 05:18:48 C 20 29 06.82 +11 02 10.7 u H21
2015-08-17 05:20:52 C 20 29 06.90 +11 02 18.1 u H21
2015-08-17 05:22:56 C 20 29 06.97 +11 02 25.4 u H21
2015-08-17 05:25:00 C 20 29 07.05 +11 02 32.8 u H21
2015-08-17 05:32:11 C 20 29 07.30 +11 02 58.5 u H21
2015-08-18 04:47:15 C 20 30 43.50 +12 19 22.9 u H21
2015-08-18 04:50:33 C 20 30 43.59 +12 19 32.7 u H21
2015-08-18 04:53:52 C 20 30 43.70 +12 19 42.5 u H21
2015-08-18 04:56:58 C 20 30 43.77 +12 19 51.8 u H21
2015-08-18 05:00:04 C 20 30 43.87 +12 20 01.0 u H21
2015-08-18 05:03:10 C 20 30 43.96 +12 20 10.3 u H21
2015-08-18 05:06:16 C 20 30 44.05 +12 20 19.5 u H21
2015-08-18 05:09:22 C 20 30 44.13 +12 20 28.6 u H21
2015-08-18 05:12:28 C 20 30 44.22 +12 20 37.9 u H21
2015-08-18 05:15:34 C 20 30 44.32 +12 20 47.1 u H21
2015-08-18 05:18:40 C 20 30 44.40 +12 20 56.3 u H21
2015-08-18 05:21:46 C 20 30 44.49 +12 21 05.4 u H21
2015-08-18 05:27:05 C 20 30 44.64 +12 21 21.2 u H21
2015-08-19 22:30:18 C 20 33 06.88 +14 06 11.4 q 204
2015-08-19 22:40:34 C 20 33 07.14 +14 06 33.7 q 204
2015-08-19 22:50:28 C 20 33 07.38 +14 06 55.4 q 204
2015-08-21 04:43:52 C 20 34 36.50 +15 06 08.2 q H21
2015-08-21 04:52:07 C 20 34 36.62 +15 06 22.5 q H21
2015-08-21 05:00:25 C 20 34 36.78 +15 06 37.4 q H21
2015-08-24 02:51:46 C 20 37 36.28 +16 45 47.2 u H21
2015-08-24 03:00:17 C 20 37 36.42 +16 45 57.3 u H21
2015-08-24 03:08:39 C 20 37 36.54 +16 46 06.7 u H21
2015-08-24 03:15:37 C 20 37 36.68 +16 46 14.8 u H21
2015-08-26 02:42:46 C 20 39 22.55 +17 32 08.0 u H21
2015-08-26 02:53:10 C 20 39 22.70 +17 32 16.9 u H21
2015-08-26 02:58:12 C 20 39 22.79 +17 32 21.4 u H21
2015-08-26 03:03:24 C 20 39 22.87 +17 32 25.7 u H21
2015-08-26 03:08:24 C 20 39 22.94 +17 32 30.0 u H21
2015-08-26 03:13:05 C 20 39 23.01 +17 32 33.9 u H21
2015-08-26 03:17:46 C 20 39 23.07 +17 32 38.0 u H21
2015-09-03 03:41:35 C 20 45 46.65 +19 01 21.4 u H21
2015-09-03 03:57:55 C 20 45 46.96 +19 01 24.6 u H21
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-08-15 02:20:00 -129516.6966 0.5 Hz 2380 -1 -1
2015-08-15 02:42:00 42333664.47 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)