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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06820603617216799 6.7244e-08  
a 2.359286573281625 1.6123e-08 AU
q 2.198368987923868 1.5695e-07 AU
i 5.816754361602923 5.9428e-06 deg
node 276.3499329671922 7.1839e-05 deg
peri 303.4890616840879 8.68e-05 deg
M 171.6419185850634 5.2043e-05 deg
tp 2456369.411406499601
(2013-Mar-17.91140650)
0.0001898 JED
period 1323.638744736767
3.62
1.3568e-05
3.715e-08
d
yr
n .2719775327153887 2.7879e-09 deg/d
Q 2.520204158639382 1.7222e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      994  
   data-arc span      6210 days (17.00 yr)  
   first obs. used      1998-02-25  
   last obs. used      2015-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52444  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 16:02:40  

Additional Information
 Earth MOID = 1.19704 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 14.0 mag n/a MPO319566  

39879 (1998 EK8)          Discovered 1998-Mar-03 by Shimizu, Y., Urata, T. at Nachi-Katsuura
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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