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
2001-08-30 06:43:41 C 22 22 24.28 +12 47 18.0 c 658
2001-09-08 06:22:25 C 22 05 56.89 +10 22 38.4 c 658
2001-09-08 06:26:01 C 22 05 56.67 +10 22 35.7 c 658
2001-09-08 06:30:41 C 22 05 56.34 +10 22 32.9 c 658
2001-09-10 06:05:59 C 22 02 58.44 +09 51 17.8 d 649
2001-09-10 06:31:52 C 22 02 56.88 +09 51 00.6 d 649
2001-09-10 06:50:03 C 22 02 55.76 +09 50 49.1 d 649
2001-09-10 08:52:49 C 22 02 48.48 +09 49 27.3 c 658
2001-09-10 08:59:26 C 22 02 48.07 +09 49 22.8 c 658
2001-09-10 09:06:09 C 22 02 47.65 +09 49 18.4 c 658
2001-10-11 03:40:58 C 21 44 43.43 +03 39 58.0 c 696
2001-10-11 03:48:52 C 21 44 43.44 +03 39 55.9 c 696
2002-12-03 10:04:42 C 02 19 43.669 +27 05 00.87 o 568
2002-12-03 10:08:48 C 02 19 43.480 +27 04 59.15 o 568
2005-10-29 10:47:31 C 08 15 46.46 +24 01 23.3 d 291
2005-10-29 10:59:47 C 08 15 47.47 +24 01 19.1 d 291
2005-10-29 11:25:50 C 08 15 49.51 +24 01 11.2 d 291
2005-12-25 08:50:27 C 10 37 04.44 +04 06 52.2 r 703
2005-12-25 09:03:08 C 10 37 06.63 +04 06 23.9 r 703
2005-12-25 09:15:46 C 10 37 08.83 +04 05 55.9 r 703
2005-12-25 09:28:16 C 10 37 11.06 +04 05 28.4 r 703
2005-12-29 10:49:48 C 10 56 09.42 +00 03 52.4 r H45
2005-12-29 10:54:46 C 10 56 10.37 +00 03 37.1 r H45
2005-12-29 10:58:03 C 10 56 11.16 +00 03 28.0 r H45
2005-12-30 11:16:01 C 11 01 29.12 -01 05 08.4 18.4 c 704
2005-12-30 11:34:54 C 11 01 33.23 -01 06 03.4 18.7 c 704
2005-12-30 11:54:05 C 11 01 37.41 -01 06 59.0 18.7 c 704
2005-12-30 12:13:09 C 11 01 41.52 -01 07 55.2 18.4 c 704
2005-12-30 12:31:52 C 11 01 45.64 -01 08 48.6 19.0 c 704
2006-01-06 09:55:03 C 11 46 01.13 -10 41 18.5 r H45
2006-01-06 10:00:01 C 11 46 02.63 -10 41 37.9 r H45
2006-01-09 11:12:23 C 12 11 33.18 -15 54 12.3 18.0 c 704
2006-01-09 11:30:59 C 12 11 40.11 -15 55 36.4 18.4 c 704
2006-01-09 11:49:31 C 12 11 46.98 -15 57 00.8 18.7 c 704
2006-01-09 12:08:00 C 12 11 53.87 -15 58 22.6 18.4 c 704
2006-01-09 12:26:33 C 12 12 00.79 -15 59 45.8 18.4 c 704
2006-08-05 08:34:54 C 00 49 09.32 +20 44 10.5 21.8 c H55
2006-08-05 08:45:53 C 00 49 08.98 +20 44 12.9 21.9 c H55
2006-08-05 08:58:03 C 00 49 08.72 +20 44 15.9 21.8 c H55
2012-12-06 08:58:28 C 04 41 42.50 +32 10 23.3 r G96
2012-12-06 09:09:41 C 04 41 41.53 +32 10 20.3 r G96
2012-12-06 09:20:58 C 04 41 40.48 +32 10 18.0 r G96
2012-12-06 09:32:09 C 04 41 39.51 +32 10 13.5 r G96
2013-02-06 04:30:01 C 03 27 21.16 +22 09 04.5 r G96
2013-02-06 04:38:26 C 03 27 21.27 +22 09 02.7 r G96
2013-02-06 04:46:49 C 03 27 21.38 +22 08 59.6 r G96
2013-02-06 04:55:11 C 03 27 21.45 +22 08 57.6 r G96
2013-04-29 03:14:28 C 05 44 28.57 +17 23 25.4 o 291
2013-04-29 03:16:35 C 05 44 28.81 +17 23 25.2 o 291
2013-04-29 03:18:41 C 05 44 29.04 +17 23 24.7 o 291
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)