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(2008 EC85)
Classification: Apollo [NEO]          SPK-ID: 3406331
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7160629730446668 2.5003e-07  
a 2.90572474481171 8.6046e-08 au
q .8250428451923812 7.4989e-07 au
i 54.82454184890165 0.00015425 deg
node 169.0046651846561 1.7684e-05 deg
peri 270.7465612330357 8.3605e-05 deg
M 183.3030132471353 3.339e-05 deg
tp 2459888.487346496178
(2022-Nov-04.98734650)
0.00019611 TDB
period 1809.173153505637
4.95
8.0361e-05
2.2e-07
d
yr
n .1989859286284608 8.8387e-09 deg/d
Q 4.98640664443104 1.4766e-07 au
  Orbit Determination Parameters
   # obs. used (total)      41  
   data-arc span      3661 days (10.02 yr)  
   first obs. used      2008-03-13  
   last obs. used      2018-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59733  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-24 06:30:47  

Additional Information
 Earth MOID = .297703 au 
 Jupiter MOID = 3.12226 au 
 T_jup = 2.392 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 21.0   n/a MPO441012  

[ show close-approach data ]
Alternate Designations
 2008 EC85 = 2017 SG2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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