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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0845650183080902 7.2363e-08  
a 3.166640743395407 4.2592e-08 au
q 2.89885371095503 2.47e-07 au
i 9.923844253517029 8.8578e-06 deg
node 161.6933647233496 4.0543e-05 deg
peri 158.4671720748384 6.3451e-05 deg
M 275.9129656963559 4.922e-05 deg
tp 2459481.254274672898
(2021-Sep-23.75427467)
0.00028331 TDB
period 2058.242870800626
5.64
4.1526e-05
1.137e-07
d
yr
n .1749064724611266 3.5288e-09 deg/d
Q 3.434427775835784 4.6194e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      6201 days (16.98 yr)  
   first obs. used      2003-05-06  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57736  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:40:28  

Additional Information
 Earth MOID = 1.88924 au 
 Jupiter MOID = 1.92563 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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