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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4891714865912022 2.8177e-07  
a 1.496118143201522 3.5294e-09 au
q .7642598069755644 4.2171e-07 au
i 5.606052835567643 1.8481e-05 deg
node 326.8690670913815 1.6033e-05 deg
peri 271.5729093807674 6.3208e-05 deg
M 205.6276517118876 1.519e-05 deg
tp 2459683.125134229286
(2022-Apr-13.62513423)
2.7519e-05 TDB
period 668.4166527671385
1.83
2.3653e-06
6.476e-09
d
yr
n .5385862223953537 1.9058e-09 deg/d
Q 2.22797647942748 5.2559e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .33608  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:48:08  

Additional Information
 Earth MOID = .0216202 au 
 Jupiter MOID = 2.81171 au 
 T_jup = 4.409 
[ 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 22.6   n/a E2020-UO8  

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