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39879 (1998 EK8)
Classification: Main-belt Asteroid          SPK-ID: 2039879
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06808308492490805 6.7457e-08  
a 2.35963374708373 1.809e-08 AU
q 2.198982602289349 1.5822e-07 AU
i 5.816714735958652 6.692e-06 deg
node 276.3531923242822 7.2681e-05 deg
peri 303.5636285040978 8.9478e-05 deg
M 117.1732812106588 5.3783e-05 deg
tp 2456369.585194571767
(2013-Mar-18.08519457)
0.00019738 JED
period 1323.930919671579
3.62
1.5225e-05
4.168e-08
d
yr
n .2719175106880226 3.127e-09 deg/d
Q 2.520284891878111 1.9322e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      845  
   data-arc span      5607 days (15.35 yr)  
   first obs. used      1998-02-25  
   last obs. used      2013-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55373  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 05:05:00  

Additional Information
 Earth MOID = 1.19627 AU 
 T_jup = 3.542 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO266144  

39879 (1998 EK8)          Discovered 1998-Mar-03 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 EK8 = 1999 NO8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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