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295791 (2008 UF258)
Classification: Outer Main-belt Asteroid          SPK-ID: 2295791
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1289166228337288 6.602e-08  
a 3.207974964039159 4.0693e-08 au
q 2.794413665540079 2.2529e-07 au
i 17.28335379865855 7.0099e-06 deg
node 237.0067751938309 2.4096e-05 deg
peri 167.0504949259448 3.8785e-05 deg
M 11.35142425940887 2.9306e-05 deg
tp 2458934.325184789295
(2020-Mar-25.82518479)
0.00017041 TDB
period 2098.673517211537
5.75
3.9932e-05
1.093e-07
d
yr
n .1715369241797668 3.2639e-09 deg/d
Q 3.62153626253824 4.5939e-08 au
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      6227 days (17.05 yr)  
   first obs. used      2002-10-10  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5363  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:03:01  

Additional Information
 Earth MOID = 1.80697 au 
 Jupiter MOID = 1.77161 au 
 T_jup = 3.109 
[ 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 15.3   n/a MPO494583  
diameter diameter 6.969 km 0.275 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.028   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295791 (2008 UF258)          Discovered 2008-Oct-27 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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