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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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4894520148517246 2.8087e-07  
a 1.497187432021975 2.8877e-09 au
q .7643860268081397 4.2159e-07 au
i 5.592424903365533 1.853e-05 deg
node 326.9086089152809 1.6028e-05 deg
peri 271.6027943062553 6.3237e-05 deg
M 352.313787952846 1.5766e-05 deg
tp 2459014.786391490477
(2020-Jun-14.28639149)
2.9342e-05 TDB
period 669.1333656968161
1.83
1.9359e-06
5.3e-09
d
yr
n .5380093393267072 1.5565e-09 deg/d
Q 2.22998883723581 4.3011e-09 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   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      .3181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-12 06:48:48  

Additional Information
 Earth MOID = .0217109 au 
 Jupiter MOID = 2.8121 au 
 T_jup = 4.407 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458561.5 (2019-Mar-19.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4895281812779419 2.8119e-07  
q .7642171014236586 4.22e-07 au
tp 2458345.652404469229
(2018-Aug-15.15240447)
2.7517e-05 TDB
node 326.9210538533526 1.6032e-05 deg
peri 271.5793310733112 6.3219e-05 deg
i 5.592237699956311 1.853e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      252  
   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      .3181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-12 06:48:48  

Additional Information
 Jupiter MOID = 2.8121 au 
 T_jup = 4.407 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.906672226660904E-14 -1.186615444974849E-13 -3.602682644115499E-12 2.698647285140118E-13 -1.56039984563471E-11 1.564301692386366E-12
q -1.186615444974849E-13 1.78085707884696E-13 5.431359240847274E-12 -4.135695301172231E-13 2.344569981043797E-11 -2.359781366270855E-12
tp -3.602682644115499E-12 5.431359240847274E-12 7.571720635664534E-10 -2.108054860305993E-10 1.368913719328141E-9 -3.642269192959223E-10
node 2.698647285140118E-13 -4.135695301172231E-13 -2.108054860305993E-10 2.570143819318242E-10 -4.613729266717444E-10 -2.009842500620879E-11
peri -1.56039984563471E-11 2.344569981043797E-11 1.368913719328141E-9 -4.613729266717444E-10 3.996602369343718E-9 -5.099659305700744E-10
i 1.564301692386366E-12 -2.359781366270855E-12 -3.642269192959223E-10 -2.009842500620879E-11 -5.099659305700744E-10 3.433614425210036E-10

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  

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