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JPL Small-Body Database Browser
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295581 (2008 ST112)
Classification: Main-belt Asteroid          SPK-ID: 2295581
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1765617808477564 1.0783e-07  
a 3.018139179669227 4.4424e-08 au
q 2.485251151260441 3.4694e-07 au
i 4.279983917506686 9.5382e-06 deg
node 138.2285859408664 8.1858e-05 deg
peri 192.0691358636257 8.4423e-05 deg
M 40.10236879729289 1.6159e-05 deg
tp 2458387.158744080356
(2018-Sep-25.65874408)
8.6906e-05 TDB
period 1915.169962135913
5.24
4.2284e-05
1.158e-07
d
yr
n .1879728729655442 4.1502e-09 deg/d
Q 3.551027208078012 5.2268e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      5477 days (15.00 yr)  
   first obs. used      2003-10-29  
   last obs. used      2018-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62758  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:13:49  

Additional Information
 Earth MOID = 1.47362 au 
 Jupiter MOID = 1.80649 au 
 T_jup = 3.219 
[ 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 15.9   n/a MPO455185  

295581 (2008 ST112)          Discovered 2008-Sep-22 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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Alternate Designations
 2008 ST112 = 2006 EX39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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