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266371 (2007 EP78)
Classification: Main-belt Asteroid          SPK-ID: 2266371
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05151422451647858 4.4818e-08  
a 2.650252545204544 2.0671e-08 au
q 2.513726840565508 1.1346e-07 au
i 3.15377909882102 5.6062e-06 deg
node 163.1117645918275 8.2167e-05 deg
peri 318.4898681691673 9.9572e-05 deg
M 77.62007575714424 5.6575e-05 deg
tp 2458660.717600642150
(2019-Jun-26.21760064)
0.00024661 TDB
period 1575.902401223402
4.31
1.8437e-05
5.048e-08
d
yr
n .2284405428410576 2.6726e-09 deg/d
Q 2.78677824984358 2.1736e-08 au
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      5291 days (14.49 yr)  
   first obs. used      2005-11-01  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60073  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:23:25  

Additional Information
 Earth MOID = 1.53039 au 
 Jupiter MOID = 2.23548 au 
 T_jup = 3.387 
[ 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 16.6   n/a MPO427480  

266371 (2007 EP78)          Discovered 2007-Mar-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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