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300245 (2007 EC20)
Classification: Main-belt Asteroid          SPK-ID: 2300245
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1854086284376358 7.369e-08  
a 2.171476400214081 2.0359e-08 au
q 1.768865939165694 1.7106e-07 au
i 4.064383371146246 8.6757e-06 deg
node 170.9329926993802 9.039e-05 deg
peri 122.7625592802826 9.4049e-05 deg
M 291.7123746100859 2.7768e-05 deg
tp 2459222.202508848411
(2021-Jan-07.70250885)
9.1918e-05 TDB
period 1168.775495262957
3.20
1.6437e-05
4.5e-08
d
yr
n .3080146713026401 4.3317e-09 deg/d
Q 2.574086861262468 2.4134e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      5870 days (16.07 yr)  
   first obs. used      2004-03-26  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53375  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 19:35:59  

Additional Information
 Earth MOID = .75701 au 
 Jupiter MOID = 2.61967 au 
 T_jup = 3.663 
[ 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 18.1   n/a MPO471162  

300245 (2007 EC20)          Discovered 2007-Mar-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

[ show close-approach data ]
Alternate Designations
 2007 EC20 = 2005 UO340 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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