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(2009 FW4)
Classification: Apollo [NEO]          SPK-ID: 3454733
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2454914.5 (2009-Mar-24.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5675659278079567 0.00090453  
a 1.858894700728965 0.0034235 au
q .8038494052124361 0.00020099 au
i 3.265353375122189 0.0045697 deg
node 3.617746207842023 0.00077384 deg
peri 111.0138956852972 0.0017786 deg
M 19.04534392150766 0.060237 deg
tp 2454865.525847448950
(2009-Feb-03.02584745)
0.019605 TDB
period 925.7220552718865
2.53
2.5573
0.007002
d
yr
n .3888856249560428 0.0010743 deg/d
Q 2.913939996245494 0.0053666 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      13 days  
   first obs. used      2009-03-19  
   last obs. used      2009-04-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .58093  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:40:10  

Additional Information
 Earth MOID = .00680457 au 
 Jupiter MOID = 2.22656 au 
 T_jup = 3.782 
[ 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 24.6   n/a MPO156199  

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