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295642 (2008 SW264)
Classification: Main-belt Asteroid          SPK-ID: 2295642
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 .1137407548430986 4.3845e-08  
a 2.197004486959815 1.3352e-08 au
q 1.947115538219331 1.0009e-07 au
i 2.582849293507662 5.3709e-06 deg
node 345.1889181234841 9.5876e-05 deg
peri 248.0032094326717 0.00010012 deg
M 351.9181548962194 2.4715e-05 deg
tp 2459027.202557839546
(2020-Jun-26.70255784)
8.155e-05 TDB
period 1189.446308212435
3.26
1.0843e-05
2.969e-08
d
yr
n .3026618330852006 2.7591e-09 deg/d
Q 2.4468934357003 1.4871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      7891 days (21.60 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61604  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:43:34  

Additional Information
 Earth MOID = .937878 au 
 Jupiter MOID = 2.54695 au 
 T_jup = 3.658 
[ 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 17.9   n/a MPO455185  
diameter diameter 1.396 km 0.260 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295642 (2008 SW264)          Discovered 2008-Sep-26 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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