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JPL Small-Body Database Browser
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410521 (2008 EQ158)
Classification: Main-belt Asteroid          SPK-ID: 2410521
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1076683698981413 9.0557e-08  
a 2.776080993218125 6.2753e-08 au
q 2.477184877973116 2.643e-07 au
i 5.160813699113689 1.1275e-05 deg
node 151.7800884312206 0.00010137 deg
peri 62.52623168443249 0.00011261 deg
M 213.4995329964163 5.3428e-05 deg
tp 2459688.016513889851
(2022-Apr-18.51651389)
0.00026294 TDB
period 1689.454989889497
4.63
5.7285e-05
1.568e-07
d
yr
n .2130864699884941 7.2252e-09 deg/d
Q 3.074977108463134 6.9509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      61  
   data-arc span      3304 days (9.05 yr)  
   first obs. used      2008-03-10  
   last obs. used      2017-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55398  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 17:31:28  

Additional Information
 Earth MOID = 1.47629 au 
 Jupiter MOID = 1.89954 au 
 T_jup = 3.321 
[ 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 17.5   n/a MPO360950  

410521 (2008 EQ158)          Discovered 2008-Mar-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-10-09

[ show close-approach data ]
Alternate Designations
 2008 EQ158 = 2012 BL138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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