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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1285638379819618 6.6045e-08  
a 3.206771288645983 4.0744e-08 au
q 2.794496464247294 2.2523e-07 au
i 17.28463423903077 7.0107e-06 deg
node 237.0040339708125 2.4096e-05 deg
peri 167.0818422884254 3.8856e-05 deg
M 302.6777115348159 2.8967e-05 deg
tp 2458934.480742770872
(2020-Mar-25.98074277)
0.00017084 TDB
period 2097.492452181842
5.74
3.9975e-05
1.094e-07
d
yr
n .1716335139254126 3.271e-09 deg/d
Q 3.619046113044672 4.5982e-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 = 1.80657 au 
 Jupiter MOID = 1.7726 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 15.4   n/a MPO411154  
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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