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
2015-08-13 05:07:27 C 20 18 55.42 +01 42 51.0 u H21
2015-08-13 05:09:30 C 20 18 55.63 +01 43 09.9 u H21
2015-08-13 05:11:34 C 20 18 55.84 +01 43 28.8 u H21
2015-08-13 05:13:37 C 20 18 56.04 +01 43 47.6 u H21
2015-08-13 05:15:40 C 20 18 56.25 +01 44 06.3 u H21
2015-08-13 05:17:43 C 20 18 56.46 +01 44 25.1 u H21
2015-08-13 05:19:46 C 20 18 56.66 +01 44 43.6 u H21
2015-08-13 05:21:48 C 20 18 56.86 +01 45 02.5 u H21
2015-08-13 05:23:51 C 20 18 57.07 +01 45 21.2 u H21
2015-08-13 05:25:54 C 20 18 57.27 +01 45 39.9 u H21
2015-08-13 05:34:06 C 20 18 58.08 +01 46 54.6 u H21
2015-08-13 05:45:29 C 20 19 03.58 +01 49 00.0 R G45
2015-08-13 05:54:36 C 20 19 04.44 +01 50 22.9 R G45
2015-08-13 06:03:36 C 20 19 05.26 +01 51 44.5 R G45
2015-08-13 06:11:28 C 20 19 06.02 +01 52 55.9 R G45
2015-08-14 02:49:49 C 20 22 07.23 +04 39 33.4 u H21
2015-08-14 02:53:57 C 20 22 07.57 +04 40 03.3 u H21
2015-08-14 02:55:50 C 20 22 07.71 +04 40 17.1 u H21
2015-08-14 02:57:59 C 20 22 07.88 +04 40 32.4 u H21
2015-08-14 03:00:02 C 20 22 08.05 +04 40 47.2 u H21
2015-08-14 03:02:00 C 20 22 08.21 +04 41 01.4 u H21
2015-08-14 03:03:57 C 20 22 08.37 +04 41 15.8 u H21
2015-08-14 03:05:55 C 20 22 08.51 +04 41 30.0 u H21
2015-08-14 03:07:53 C 20 22 08.69 +04 41 44.1 u H21
2015-08-14 03:09:50 C 20 22 08.84 +04 41 58.4 u H21
2015-08-14 03:11:48 C 20 22 08.99 +04 42 12.4 u H21
2015-08-14 03:13:45 C 20 22 09.13 +04 42 26.7 u H21
2015-08-14 03:15:43 C 20 22 09.29 +04 42 40.8 u H21
2015-08-14 03:17:41 C 20 22 09.46 +04 42 55.0 u H21
2015-08-14 03:20:20 C 20 22 09.66 +04 43 13.9 u H21
2015-08-14 05:16:19 C 20 22 19.29 +04 57 14.8 q H45
2015-08-14 05:18:33 C 20 22 19.44 +04 57 30.2 q H45
2015-08-14 05:21:51 C 20 22 19.66 +04 57 53.6 q H45
2015-08-14 05:25:31 C 20 22 19.94 +04 58 19.6 q H45
2015-08-14 05:27:53 C 20 22 20.09 +04 58 35.7 q H45
2015-08-14 05:32:34 C 20 22 20.41 +04 59 09.1 q H45
2015-08-14 05:33:51 C 20 22 20.51 +04 59 17.8 q H45
2015-08-14 05:35:07 C 20 22 20.59 +04 59 26.6 q H45
2015-08-15 04:51:00 C 20 24 58.79 +07 24 33.8 u H21
2015-08-15 04:55:55 C 20 24 59.07 +07 25 01.1 u H21
2015-08-15 04:58:19 C 20 24 59.19 +07 25 14.5 u H21
2015-08-15 05:00:43 C 20 24 59.32 +07 25 27.6 u H21
2015-08-15 05:03:07 C 20 24 59.46 +07 25 40.9 u H21
2015-08-15 05:05:31 C 20 24 59.60 +07 25 54.4 u H21
2015-08-15 05:07:55 C 20 24 59.72 +07 26 07.8 u H21
2015-08-15 05:23:24 C 20 25 00.59 +07 27 33.2 u H21
2015-08-16 02:03:08 C 20 26 53.02 +09 10 42.9 q Z99
2015-08-16 02:08:11 C 20 26 53.38 +09 11 05.6 q Z99
2015-08-16 02:13:14 C 20 26 53.70 +09 11 28.2 q Z99
2015-08-16 04:52:01 C 20 27 12.74 +09 24 06.3 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)