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JPL Small-Body Database Browser
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300978 (2008 ED98)
Classification: Main-belt Asteroid          SPK-ID: 2300978
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3195325751946756 5.2785e-08  
a 3.147135625891111 4.1987e-08 au
q 2.141523274863217 1.6908e-07 au
i 26.99608521297051 1.1066e-05 deg
node 172.1590137136443 1.2651e-05 deg
peri 302.7912496485417 2.0702e-05 deg
M 15.96094974531933 1.9321e-05 deg
tp 2458510.087631769488
(2019-Jan-26.58763177)
0.00010822 TDB
period 2039.255375296796
5.58
4.0809e-05
1.117e-07
d
yr
n .1765350256573947 3.5328e-09 deg/d
Q 4.152747976919004 5.5403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      8019 days (21.95 yr)  
   first obs. used      1997-04-06  
   last obs. used      2019-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66105  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:25:30  

Additional Information
 Earth MOID = 1.2547 au 
 Jupiter MOID = 1.42137 au 
 T_jup = 2.967 
[ 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 15.2   n/a MPO423151  

300978 (2008 ED98)          Discovered 2008-Mar-07 by CSS at Catalina
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

[ show close-approach data ]
Alternate Designations
 2008 ED98 = 2007 WQ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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