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JPL Small-Body Database Browser
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117549 (2005 EH8)
Classification: Main-belt Asteroid          SPK-ID: 2117549
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441648152157215 6.173e-08  
a 2.322436275972699 1.2416e-08 au
q 1.987622679396806 1.4793e-07 au
i 4.911660479918752 7.3442e-06 deg
node 355.1918801695894 5.1481e-05 deg
peri 243.4069678088022 6.0089e-05 deg
M 311.1282872738245 3.6498e-05 deg
tp 2458775.996797223156
(2019-Oct-19.49679722)
0.00013189 TDB
period 1292.74877993989
3.54
1.0367e-05
2.838e-08
d
yr
n .2784763796232236 2.2332e-09 deg/d
Q 2.657249872548591 1.4206e-08 au
  Orbit Determination Parameters
   # obs. used (total)      431  
   data-arc span      21378 days (58.53 yr)  
   first obs. used      1960-09-25  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5755  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:38:50  

Additional Information
 Earth MOID = .981625 au 
 Jupiter MOID = 2.36338 au 
 T_jup = 3.558 
[ 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 16.4   n/a MPO229625  

117549 (2005 EH8)          Discovered 2005-Mar-01 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 EH8 = 1998 HQ33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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