153349 (2001 PJ9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6380109681 ± 6.58e-09
Semi-major axis (a)1.7999963764 AU ± 1.86e-09
Inclination (i)10.55285186° ± 3.80e-06
Long. of Asc. Node (Ω)283.59522947° ± 8.39e-06
Arg. of Perihelion (ω)291.44655523° ± 8.43e-06
Mean Anomaly (M)60.76834157° ± 2.93e-06
Mean Motion (n)0.4081359306°/day ± 6.32e-10
Perihelion dist (q)0.65157895 AU ± 1.19e-08
Aphelion dist (Q)2.94841381 AU ± 1.22e-08
Orbital Period2.41494612 yr ± 3.74e-09
Physical Parameters
H (abs. magnitude)18.65
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.275″
Uncertainty0
Orbit TypeApollo
MOID0.052088 AU
Observations Used400
Radar Obs Used2
Oppositions7
Arc Total2001-2013
First Observation Used2001-08-05
Last Observation Used2024-12-24
Observations (423)
Date Type RA Dec Mag Band Observatory
2013-08-19 19:45:54 C 20 30 13.05 +07 34 27.7 18.0 u 089
2013-08-19 19:48:37 C 20 30 12.97 +07 34 24.0 17.9 u 089
2013-08-19 19:51:20 C 20 30 12.89 +07 34 21.6 18.0 u 089
2013-08-19 19:54:03 C 20 30 12.82 +07 34 18.3 17.1 u 089
2013-08-19 19:56:46 C 20 30 12.73 +07 34 16.0 17.3 u 089
2013-08-19 19:59:29 C 20 30 12.64 +07 34 12.7 17.9 u 089
2013-08-19 20:02:12 C 20 30 12.59 +07 34 10.4 18.0 u 089
2013-08-19 20:04:55 C 20 30 12.47 +07 34 07.1 17.1 u 089
2013-08-21 20:08:21 C 20 29 09.07 +06 46 10.0 19.0 u 089
2013-08-21 20:11:05 C 20 29 09.02 +06 46 07.3 17.8 u 089
2013-08-21 20:13:48 C 20 29 08.92 +06 46 04.4 18.4 u 089
2013-08-21 20:27:23 C 20 29 08.61 +06 45 52.4 18.1 u 089
2013-08-21 20:30:06 C 20 29 08.60 +06 45 49.8 19.4 u 089
2013-08-21 20:32:49 C 20 29 08.50 +06 45 46.9 17.8 u 089
2013-08-24 04:40:30 C 20 28 14.54 +05 55 01.7 r Y00
2013-08-24 04:50:13 C 20 28 14.35 +05 54 53.0 r Y00
2013-08-24 04:57:13 C 20 28 14.19 +05 54 46.9 r Y00
2013-08-25 02:12:13 C 20 28 00.73 +05 36 16.6 t W71
2013-08-25 02:23:52 C 20 28 00.56 +05 36 06.8 t W71
2013-08-25 02:35:28 C 20 28 00.41 +05 35 57.1 t W71
2013-08-25 02:39:14 C 20 28 00.36 +05 35 53.8 t W71
2013-08-31 04:03:46 C 20 27 25.35 +03 47 04.5 r Y00
2013-08-31 04:14:59 C 20 27 25.30 +03 46 56.7 r Y00
2013-08-31 04:28:58 C 20 27 25.17 +03 46 47.7 r Y00
2017-10-29 13:02:29 C 07 26 31.322 +27 57 51.22 L F51
2017-10-29 13:19:17 C 07 26 32.060 +27 57 49.92 L F51
2017-10-29 13:36:07 C 07 26 32.807 +27 57 48.13 L F51
2017-10-29 13:52:55 C 07 26 33.548 +27 57 46.29 L F51
2017-12-13 09:00:27 C 07 47 01.58 +25 26 05.0 U G96
2017-12-13 09:08:38 C 07 47 01.36 +25 26 03.1 U G96
2017-12-13 09:16:50 C 07 47 01.13 +25 26 01.6 U G96
2017-12-13 09:25:00 C 07 47 00.92 +25 25 59.6 U G96
2017-12-21 07:38:27 C 07 39 55.75 +24 37 15.0 U 703
2017-12-21 07:46:03 C 07 39 55.38 +24 37 12.5 U 703
2017-12-21 07:53:37 C 07 39 54.92 +24 37 09.6 U 703
2017-12-21 08:01:13 C 07 39 54.49 +24 37 07.4 U 703
2017-12-24 14:53:13 C 07 35 15.61 +24 10 57.2 U T05
2017-12-24 15:11:11 C 07 35 14.36 +24 10 49.9 U T05
2017-12-24 15:28:36 C 07 35 13.15 +24 10 43.4 U T05
2017-12-24 15:46:21 C 07 35 11.93 +24 10 36.6 U T05
2017-12-26 06:41:11 C 07 32 30.84 +23 55 50.1 U G96
2017-12-26 06:48:31 C 07 32 30.27 +23 55 47.2 U G96
2017-12-26 06:55:54 C 07 32 29.69 +23 55 44.5 U G96
2017-12-26 07:03:17 C 07 32 29.12 +23 55 41.6 U G96
2017-12-29 04:49:03 C 07 26 52.21 +23 25 31.3 U 703
2017-12-29 04:56:36 C 07 26 51.50 +23 25 27.8 U 703
2017-12-29 05:04:11 C 07 26 50.84 +23 25 24.2 U 703
2017-12-29 05:11:44 C 07 26 50.12 +23 25 21.4 U 703
2017-12-30 04:21:23 C 07 24 44.39 +23 14 07.5 U 703
2017-12-30 04:29:15 C 07 24 43.57 +23 14 04.0 U 703
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2013-07-06 15:20:00 255431.9478 1 Hz 2380 -1 -1
2013-07-17 07:50:00 100590.285 4 Hz 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)