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JPL Small-Body Database Browser
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305520 (2008 FU18)
Classification: Main-belt Asteroid          SPK-ID: 2305520
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .118324257954065 1.197e-07  
a 3.107387886478157 6.7955e-08 au
q 2.739708520635178 3.597e-07 au
i .3627139131753544 1.1109e-05 deg
node 81.98426333792801 0.0018502 deg
peri 13.38860588663044 0.0018514 deg
M 149.5489880905893 6.4199e-05 deg
tp 2458169.363017054093
(2018-Feb-19.86301705)
0.00034781 TDB
period 2000.744489687087
5.48
6.5631e-05
1.797e-07
d
yr
n .1799330208608013 5.9024e-09 deg/d
Q 3.475067252321135 7.5996e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      6756 days (18.50 yr)  
   first obs. used      2000-09-28  
   last obs. used      2019-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68825  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:45:33  

Additional Information
 Earth MOID = 1.7565 au 
 Jupiter MOID = 1.68495 au 
 T_jup = 3.209 
[ 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 16.8   n/a MPO433969  

305520 (2008 FU18)          Discovered 2008-Mar-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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