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JPL Small-Body Database Browser
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266519 (2008 EC151)
Classification: Main-belt Asteroid          SPK-ID: 2266519
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .197654555643583 4.4461e-08  
a 2.282684693154033 1.3993e-08 au
q 1.831501664454263 1.0023e-07 au
i 2.825899549341918 6.1347e-06 deg
node 358.8100130495527 9.7401e-05 deg
peri 258.8415774649252 9.9819e-05 deg
M 146.356532936119 1.8448e-05 deg
tp 2458488.373877483236
(2019-Jan-04.87387748)
6.2996e-05 TDB
period 1259.700543647792
3.45
1.1583e-05
3.171e-08
d
yr
n .2857822057911685 2.6279e-09 deg/d
Q 2.733867721853801 1.6759e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      6797 days (18.61 yr)  
   first obs. used      2001-02-21  
   last obs. used      2019-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59465  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:04:48  

Additional Information
 Earth MOID = .819096 au 
 Jupiter MOID = 2.33408 au 
 T_jup = 3.576 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457129.5 (2015-Apr-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1972882067498253 4.4419e-08  
q 1.83228635144197 1.0009e-07 au
tp 2457228.895039186396
(2015-Jul-25.39503919)
6.0947e-05 TDB
node 358.8491876916954 9.7332e-05 deg
peri 258.8681863666422 9.9767e-05 deg
i 2.8269602314964 6.1364e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      6797 days (18.61 yr)  
   first obs. used      2001-02-21  
   last obs. used      2019-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59465  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:04:48  

Additional Information
 Jupiter MOID = 2.33408 au 
 T_jup = 3.576 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.973010000434846E-15 -4.418376268427779E-15 -9.086956498016176E-13 5.141856927132644E-14 -3.308242608365649E-13 -4.50438252539723E-15
q -4.418376268427779E-15 1.001776551585343E-14 2.148146918531096E-12 -1.141857383468122E-13 7.729653084129111E-13 1.053578572597369E-14
tp -9.086956498016176E-13 2.148146918531096E-12 3.714544785036076E-9 -7.179211200859836E-11 1.352099711038547E-9 7.246161270451907E-12
node 5.141856927132644E-14 -1.141857383468122E-13 -7.179211200859836E-11 9.473472598489876E-9 -9.48528946524238E-9 1.47864040176787E-10
peri -3.308242608365649E-13 7.729653084129111E-13 1.352099711038547E-9 -9.48528946524238E-9 9.953427085522793E-9 -1.453365245207228E-10
i -4.50438252539723E-15 1.053578572597369E-14 7.246161270451907E-12 1.47864040176787E-10 -1.453365245207228E-10 3.765599580515117E-11

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 17.9   n/a MPO437227  

266519 (2008 EC151)          Discovered 2008-Mar-10 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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Alternate Designations
 2008 EC151 = 2001 DM111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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