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153349 (2001 PJ9)
Classification: Apollo [NEO]          SPK-ID: 2153349
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 65 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6389622750159176 2.108e-08  
a 1.799265406943996 5.8325e-09 au
q .6496026891656194 3.8912e-08 au
i 10.53758474601672 1.0867e-05 deg
node 283.8356794471719 2.5646e-05 deg
peri 291.1761897515668 2.5685e-05 deg
M 45.91473936881586 5.4954e-06 deg
tp 2459088.067751825058
(2020-Aug-26.56775182)
1.2969e-05 TDB
period 881.538475430595
2.41
4.2864e-06
1.174e-08
d
yr
n .4083769569151873 1.9857e-09 deg/d
Q 2.948928124722372 9.5593e-09 au
  Orbit Determination Parameters
   # obs. used (total)      404  
   # delay obs. used      0  
   # Doppler obs. used      2  
   data-arc span      6270 days (17.17 yr)  
   first obs. used      2001-08-05  
   last obs. used      2018-10-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37356  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:31:09  

Additional Information
 Earth MOID = .0519383 au 
 Jupiter MOID = 2.15101 au 
 T_jup = 3.781 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.5   n/a MPO294135  

153349 (2001 PJ9)          Discovered 2001-Aug-10 by NEAT at Palomar
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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