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344470 (2002 PQ4)
Classification: Main-belt Asteroid          SPK-ID: 2344470
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1478634839227871 4.5257e-08  
a 2.790672941512032 2.2196e-08 au
q 2.378034317891011 1.3275e-07 au
i 7.587221597134834 6.6168e-06 deg
node 206.8931145045304 3.8618e-05 deg
peri 60.486256923752 4.9423e-05 deg
M 331.6537218558266 2.6578e-05 deg
tp 2459134.577339162710
(2020-Oct-12.07733916)
0.00012549 TDB
period 1702.792932923266
4.66
2.0315e-05
5.562e-08
d
yr
n .2114173679250423 2.5223e-09 deg/d
Q 3.203311565133053 2.5478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      6569 days (17.98 yr)  
   first obs. used      2002-07-21  
   last obs. used      2020-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52512  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:02:40  

Additional Information
 Earth MOID = 1.37364 au 
 Jupiter MOID = 1.89842 au 
 T_jup = 3.300 
[ 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 16.3   n/a MPO427768  

344470 (2002 PQ4)          Discovered 2002-Aug-04 by NEAT at Palomar
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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