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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01230097433070062 5.3757e-08  
a 2.808912959480091 3.1758e-08 au
q 2.774360593268354 1.4556e-07 au
i 5.505736150038007 6.0417e-06 deg
node 98.47642055344974 6.1893e-05 deg
peri 146.6754332377667 0.00027027 deg
M 81.99604911222045 0.0002613 deg
tp 2458608.851672994518
(2019-May-05.35167299)
0.001249 TDB
period 1719.514528425741
4.71
2.9162e-05
7.984e-08
d
yr
n .2093614180332569 3.5506e-09 deg/d
Q 2.843465325691828 3.2149e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      9317 days (25.51 yr)  
   first obs. used      1995-04-08  
   last obs. used      2020-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62578  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:10:16  

Additional Information
 Earth MOID = 1.76089 au 
 Jupiter MOID = 2.14032 au 
 T_jup = 3.315 
[ 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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