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(2009 PQ1)
Classification: Apollo [NEO]          SPK-ID: 3465690
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4894520211337698 2.8084e-07  
a 1.49718743194054 2.8873e-09 au
q .7643860173611642 4.2155e-07 au
i 5.592425429055439 1.8529e-05 deg
node 326.9086098311399 1.6023e-05 deg
peri 271.602792181894 6.3229e-05 deg
M 352.3137881959748 1.5765e-05 deg
tp 2459014.786391037407
(2020-Jun-14.28639104)
2.9341e-05 TDB
period 669.1333656422231
1.83
1.9356e-06
5.299e-09
d
yr
n .5380093393706021 1.5563e-09 deg/d
Q 2.229988846519916 4.3005e-09 au
  Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      4047 days (11.08 yr)  
   first obs. used      2009-08-14  
   last obs. used      2020-09-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .33619  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-27 07:10:40  

Additional Information
 Earth MOID = .0217109 au 
 Jupiter MOID = 2.8121 au 
 T_jup = 4.407 
[ 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 22.5   n/a MPO162548  

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