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324719 (2007 EW139)
Classification: Main-belt Asteroid          SPK-ID: 2324719
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1699676100151548 1.0325e-07  
a 2.918802259369275 4.0479e-08 au
q 2.422700415237446 3.0529e-07 au
i 11.75578822059944 1.4035e-05 deg
node 349.1309883680743 2.5726e-05 deg
peri 140.4640996268583 4.0269e-05 deg
M 267.48040634567 3.3721e-05 deg
tp 2459468.597857575383
(2021-Sep-11.09785758)
0.00017462 TDB
period 1821.40044147558
4.99
3.7889e-05
1.037e-07
d
yr
n .1976501113112455 4.1116e-09 deg/d
Q 3.414904103501105 4.7359e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      6405 days (17.54 yr)  
   first obs. used      2002-03-13  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69122  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 09:12:09  

Additional Information
 Earth MOID = 1.44912 au 
 Jupiter MOID = 1.65521 au 
 T_jup = 3.228 
[ 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 16.5   n/a MPO494717  

324719 (2007 EW139)          Discovered 2007-Mar-12 by Spacewatch at Kitt Peak
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

[ show close-approach data ]
Alternate Designations
 2007 EW139 = 2002 ES71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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