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305906 (2009 FJ42)
Classification: Main-belt Asteroid          SPK-ID: 2305906
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0123717581214688 6.083e-08  
a 2.8111176859855 3.5343e-08 au
q 2.776339217923504 1.7525e-07 au
i 5.504327547421053 7.0332e-06 deg
node 98.48245651900878 6.2615e-05 deg
peri 153.2597645304321 0.00028626 deg
M 351.8337646124534 0.00027617 deg
tp 2458639.551377826576
(2019-Jun-05.05137783)
0.0013204 TDB
period 1721.539405906223
4.71
3.2467e-05
8.889e-08
d
yr
n .2091151667890489 3.9437e-09 deg/d
Q 2.845896154047496 3.5781e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      8900 days (24.37 yr)  
   first obs. used      1995-04-08  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62122  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:55:08  

Additional Information
 Earth MOID = 1.76147 au 
 Jupiter MOID = 2.14192 au 
 T_jup = 3.314 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO437358  
diameter diameter 3.442 km 1.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.026   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

305906 (2009 FJ42)          Discovered 2009-Mar-28 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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