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JPL Small-Body Database Browser
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58717 (1998 DE8)
Classification: Main-belt Asteroid          SPK-ID: 2058717
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1300772496538321 5.8697e-08  
a 2.721774334554606 1.7222e-08 au
q 2.367733414937354 1.6522e-07 au
i 3.595740400195056 4.9218e-06 deg
node 34.17362861450194 7.8115e-05 deg
peri 128.9931274987613 8.0159e-05 deg
M 241.5499428425113 1.6365e-05 deg
tp 2459140.146509684868
(2020-Oct-17.64650969)
7.5634e-05 TDB
period 1640.123678693134
4.49
1.5567e-05
4.262e-08
d
yr
n .219495642113314 2.0833e-09 deg/d
Q 3.075815254171858 1.9462e-08 au
  Orbit Determination Parameters
   # obs. used (total)      787  
   data-arc span      8361 days (22.89 yr)  
   first obs. used      1996-11-06  
   last obs. used      2019-09-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56226  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 07:19:52  

Additional Information
 Earth MOID = 1.37789 au 
 Jupiter MOID = 1.90184 au 
 T_jup = 3.343 
[ 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 15.3   n/a MPO365929  

58717 (1998 DE8)          Discovered 1998-Feb-21 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 DE8 = 2001 XW81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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