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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06820603688734628 6.7264e-08  
a 2.359286574312919 1.6209e-08 AU
q 2.198368987197511 1.5699e-07 AU
i 5.816754563104437 5.9756e-06 deg
node 276.3499349416418 7.2053e-05 deg
peri 303.4890572854369 8.7062e-05 deg
M 171.6419204071468 5.2126e-05 deg
tp 2456369.411399386418
(2013-Mar-17.91139939)
0.00019014 JED
period 1323.638745604652
3.62
1.3641e-05
3.735e-08
d
yr
n .271977532537058 2.8029e-09 deg/d
Q 2.520204161428327 1.7315e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      910  
   data-arc span      6131 days (16.79 yr)  
   first obs. used      1998-02-25  
   last obs. used      2014-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54189  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 03:50:26  

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 (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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