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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06824136694592622 6.2062e-08  
a 2.359809490482623 1.4638e-08 au
q 2.198772865120119 1.4696e-07 au
i 5.815747352241129 5.8064e-06 deg
node 276.3453651397313 6.7219e-05 deg
peri 303.2090421968942 8.267e-05 deg
M 280.7287689433215 5.1229e-05 deg
tp 2457692.059330239333
(2016-Oct-30.55933024)
0.00018911 JED
period 1324.078830201503
3.63
1.232e-05
3.373e-08
d
yr
n .2718871352585662 2.5297e-09 deg/d
Q 2.520846115845127 1.5636e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1128  
   data-arc span      6507 days (17.82 yr)  
   first obs. used      1998-02-25  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51244  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:38:49  

Additional Information
 Earth MOID = 1.19531 au 
 Jupiter MOID = 2.47887 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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