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295169 (2008 FR71)
Classification: Main-belt Asteroid          SPK-ID: 2295169
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08425075872281361 1.265e-07  
a 3.166857711148221 6.1506e-08 au
q 2.90004754621679 3.7951e-07 au
i 9.923153992336209 1.2388e-05 deg
node 161.6929765540063 4.1456e-05 deg
peri 158.5131031546161 6.6806e-05 deg
M 205.8733435284532 5.8438e-05 deg
tp 2459481.785266046550
(2021-Sep-24.28526605)
0.0003471 TDB
period 2058.454410417497
5.64
5.9968e-05
1.642e-07
d
yr
n .1748884979808634 5.0949e-09 deg/d
Q 3.433667876079652 6.6687e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      5760 days (15.77 yr)  
   first obs. used      2003-05-06  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59171  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:45:51  

Additional Information
 Earth MOID = 1.88954 au 
 Jupiter MOID = 1.92393 au 
 T_jup = 3.175 
[ 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 15.9   n/a MPO397000  
diameter diameter 3.488 km 0.779 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295169 (2008 FR71)          Discovered 2008-Mar-30 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 FR71 = 2005 UK271 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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