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
2018-01-19 10:33:31 C 06 06 42.04 +14 58 43.9 U T08
2018-01-19 10:49:34 C 06 06 38.09 +14 58 14.7 U T08
2018-01-21 21:07:24 C 05 52 12.10 +13 04 54.1 q 160
2018-01-21 21:09:19 C 05 52 11.65 +13 04 50.1 q 160
2018-01-21 21:11:14 C 05 52 11.13 +13 04 46.5 q 160
2018-01-24 04:00:38 C 05 37 33.55 +11 03 48.4 U G96
2018-01-24 04:07:59 C 05 37 31.44 +11 03 31.2 U G96
2018-01-24 04:15:22 C 05 37 29.33 +11 03 14.0 U G96
2018-01-24 04:22:42 C 05 37 27.25 +11 02 56.4 U G96
2018-01-25 20:17:38 C 05 26 10.71 +09 25 19.6 16.3 U Z43
2018-01-25 20:49:01 C 05 26 01.42 +09 24 00.3 16.9 U Z43
2018-01-30 04:08:11 C 04 54 30.60 +04 36 00.2 o 926
2018-01-30 04:13:42 C 04 54 28.77 +04 35 43.5 o 926
2018-01-30 04:18:43 C 04 54 27.11 +04 35 28.3 o 926
2018-01-30 18:19:10 C 04 49 57.23 +03 52 28.4 U G34
2018-01-30 18:20:59 C 04 49 56.69 +03 52 23.9 U G34
2018-01-30 18:22:52 C 04 49 56.04 +03 52 17.4 U G34
2018-01-30 18:24:44 C 04 49 55.39 +03 52 11.8 U G34
2018-01-30 18:26:37 C 04 49 54.75 +03 52 05.2 U G34
2018-01-31 03:30:22 C 04 46 57.46 +03 24 10.4 o 926
2018-01-31 03:35:52 C 04 46 55.61 +03 23 53.4 o 926
2018-01-31 03:42:21 C 04 46 53.40 +03 23 33.0 o 926
2018-02-01 05:46:14 C 04 38 15.72 +02 00 52.0 o 926
2018-02-01 05:52:41 C 04 38 13.53 +02 00 31.2 o 926
2018-02-01 05:59:21 C 04 38 11.23 +02 00 09.6 o 926
2018-02-02 12:46:10 S 04 27 49.625 +00 19 48.18 L C51
2018-02-02 17:28:55 S 04 26 12.900 +00 04 06.28 L C51
2018-02-02 20:37:25 S 04 25 08.246 -00 06 23.54 L C51
2018-02-03 08:08:01 C 04 21 08.65 -00 45 20.6 U T08
2018-02-03 08:20:45 C 04 21 04.12 -00 46 03.3 U T08
2018-02-03 08:33:37 C 04 20 59.54 -00 46 47.4 U T08
2018-02-03 08:46:28 C 04 20 54.95 -00 47 30.3 U T08
2018-02-06 04:45:14 C 03 56 53.32 -04 42 08.1 U 703
2018-02-06 04:53:11 C 03 56 50.38 -04 42 35.9 U 703
2018-02-06 05:01:09 C 03 56 47.45 -04 43 03.7 U 703
2018-02-06 05:09:08 C 03 56 44.50 -04 43 31.9 U 703
2018-02-06 19:34:33 C 03 51 32.64 -05 34 17.5 U Z80
2018-02-06 19:39:47 C 03 51 30.77 -05 34 37.0 U Z80
2018-02-06 19:45:53 C 03 51 28.48 -05 34 58.3 U Z80
2018-02-07 07:25:10 C 03 47 12.42 -06 15 34.9 U T08
2018-02-07 07:39:14 C 03 47 07.10 -06 16 24.3 U T08
2018-02-07 07:53:21 C 03 47 01.81 -06 17 13.8 U T08
2018-02-07 08:07:36 C 03 46 56.50 -06 18 03.4 U T08
2018-02-11 07:06:46 C 03 11 32.05 -11 48 55.9 U T08
2018-02-11 07:12:48 C 03 11 29.70 -11 49 16.7 U T08
2018-02-11 07:20:09 C 03 11 26.86 -11 49 40.5 U T08
2018-02-11 07:34:13 C 03 11 21.43 -11 50 28.1 U T08
2018-02-11 07:40:22 C 03 11 19.02 -11 50 48.8 U T08
2018-02-11 07:48:25 C 03 11 15.89 -11 51 16.4 U T08
2018-09-10 05:17:21 C 23 30 13.48 +17 25 37.7 V G96
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)