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JPL Small-Body Database Browser
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441804 (2009 FW73)
Classification: Main-belt Asteroid          SPK-ID: 2441804
[ 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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3270360342523539 1.0531e-07  
a 3.045992017051242 1.0154e-07 au
q 2.049842867430475 2.9064e-07 au
i 11.61188119943777 1.6022e-05 deg
node 128.2977635151703 5.3884e-05 deg
peri 152.2146823390545 6.2664e-05 deg
M 278.9165154456448 3.7084e-05 deg
tp 2459037.842286804484
(2020-Jul-07.34228680)		 0.00021689 TDB
period 1941.742194664444
5.32		 9.7098e-05
2.658e-07		 d
yr
n .1854005135126665 9.2711e-09 deg/d
Q 4.042141166672009 1.3475e-07 au
   Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      4100 days (11.23 yr)  
   first obs. used      2008-01-11  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61352  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:32:27  

Additional Information
 Earth MOID = 1.04062 au 
 Jupiter MOID = 1.22056 au 
 T_jup = 3.125 
[ 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 16.1   n/a MPO397574  

441804 (2009 FW73)          Discovered 2009-Mar-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

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