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308208 (2005 EP80)
Classification: Main-belt Asteroid          SPK-ID: 2308208
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1384880732029421 6.4935e-08  
a 2.434989334536583 2.8986e-08 au
q 2.097772353326897 1.6484e-07 au
i 1.621083178031558 8.2655e-06 deg
node 287.1687446430068 0.00034951 deg
peri 217.3932627426064 0.00035366 deg
M 6.386978912448405 5.5494e-05 deg
tp 2458975.877224616649
(2020-May-06.37722462)
0.00021367 TDB
period 1387.854768195595
3.80
2.4782e-05
6.785e-08
d
yr
n .2593931355425973 4.6317e-09 deg/d
Q 2.772206315746269 3.3e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      5439 days (14.89 yr)  
   first obs. used      2005-03-04  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6996  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:15:52  

Additional Information
 Earth MOID = 1.1103 au 
 Jupiter MOID = 2.23978 au 
 T_jup = 3.491 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.9   n/a MPO455270  

308208 (2005 EP80)          Discovered 2005-Mar-04 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

Alternate Designations
 2005 EP80 = 2009 BK178 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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