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JPL Small-Body Database Browser
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(2010 PJ9)
Classification: Apollo [NEO]          SPK-ID: 3542518
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5668905564661738 0.00030779  
a 1.947927423783359 0.0012844 au
q .8436657625590904 4.3281e-05 au
i 1.149161946049363 0.00041124 deg
node 147.5066218183688 0.0017377 deg
peri 228.0154802934885 0.0030416 deg
M 347.2323393154234 1.4504 deg
tp 2459431.718140046855
(2021-Aug-05.21814005)
4.0355 TDB
period 993.0190604284813
2.72
0.98215
0.002689
d
yr
n .3625308056470359 0.00035856 deg/d
Q 3.052189085007629 0.0020125 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      6 days  
   first obs. used      2010-08-04  
   last obs. used      2010-08-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .38238  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 04:05:04  

Additional Information
 Earth MOID = .00334514 au 
 Jupiter MOID = 2.41269 au 
 T_jup = 3.679 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.8   n/a MPO190728  

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