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JPL Small-Body Database Browser
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295031 (2008 EC81)
Classification: Main-belt Asteroid          SPK-ID: 2295031
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1121620551902051 6.1232e-08  
a 2.647865349026483 2.5897e-08 au
q 2.350875329612743 1.6294e-07 au
i 1.596703173348431 7.6241e-06 deg
node 349.3193387084876 0.00025833 deg
peri 90.49416934386019 0.00026201 deg
M 298.1887822053276 4.0216e-05 deg
tp 2458870.713517320966
(2020-Jan-22.21351732)
0.00017663 TDB
period 1573.773656404682
4.31
2.3088e-05
6.321e-08
d
yr
n .2287495400211662 3.3558e-09 deg/d
Q 2.944855368440223 2.8801e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      7614 days (20.85 yr)  
   first obs. used      1997-10-03  
   last obs. used      2018-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66237  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:27:18  

Additional Information
 Earth MOID = 1.36708 au 
 Jupiter MOID = 2.2602 au 
 T_jup = 3.382 
[ 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 17.3   n/a MPO455181  

295031 (2008 EC81)          Discovered 2008-Mar-10 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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