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
2018-09-10 05:24:47 C 23 30 12.92 +17 25 34.2 V G96
2018-09-10 05:32:14 C 23 30 12.33 +17 25 31.0 V G96
2018-09-10 05:39:40 C 23 30 11.76 +17 25 28.1 V G96
2018-10-05 04:22:16 C 22 53 40.02 +12 14 23.4 V G96
2018-10-05 04:30:16 C 22 53 39.60 +12 14 19.3 V G96
2018-10-05 04:38:16 C 22 53 39.27 +12 14 15.2 V G96
2019-11-23 02:01:36 C 03 09 59.42 +30 38 20.6 u H21
2019-11-23 02:21:47 C 03 09 58.07 +30 38 14.6 u H21
2019-11-23 02:33:57 C 03 09 57.25 +30 38 10.4 u H21
2023-09-13 09:28:05 C 00 42 28.312 +22 48 17.37 X F52
2023-09-13 09:44:53 C 00 42 27.289 +22 48 13.91 X F52
2023-09-13 10:01:39 C 00 42 26.280 +22 48 10.35 X F52
2023-10-19 06:20:35 C 23 53 05.514 +17 19 05.48 V V00
2023-10-19 06:28:30 C 23 53 05.179 +17 19 02.35 V V00
2023-10-19 06:36:26 C 23 53 04.801 +17 18 58.54 V V00
2023-10-19 06:44:21 C 23 53 04.445 +17 18 54.50 V V00
2024-12-05 07:57:05 C 04 03 31.889 +31 33 38.21 X F52
2024-12-05 08:12:42 C 04 03 30.623 +31 33 33.36 X F52
2024-12-05 08:28:24 C 04 03 29.308 +31 33 28.43 X F52
2024-12-05 08:44:10 C 04 03 27.995 +31 33 23.21 X F52
2024-12-24 05:38:37 C 03 30 16.482 +28 29 18.07 X F52
2024-12-24 05:54:18 C 03 30 15.515 +28 29 10.88 X F52
2024-12-24 06:09:56 C 03 30 14.532 +28 29 03.90 X F52
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)