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JPL Small-Body Database Browser
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266510 (2008 EU54)
Classification: Main-belt Asteroid          SPK-ID: 2266510
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1813636831719197 4.8866e-08  
a 2.294127740395071 1.3323e-08 au
q 1.878056283730147 1.1125e-07 au
i 5.671174575783986 5.7786e-06 deg
node 150.7508009403499 4.3795e-05 deg
peri 161.7596854893578 4.6867e-05 deg
M 333.9104562597949 1.3356e-05 deg
tp 2458692.479025673951
(2019-Jul-27.97902567)
4.6943e-05 TDB
period 1269.184680742219
3.47
1.1056e-05
3.027e-08
d
yr
n .283646663454425 2.4709e-09 deg/d
Q 2.710199197059994 1.5739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      6238 days (17.08 yr)  
   first obs. used      2002-10-03  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60617  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:04:48  

Additional Information
 Earth MOID = .864252 au 
 Jupiter MOID = 2.56772 au 
 T_jup = 3.568 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457396.5 (2016-Jan-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1814447642802747 4.8884e-08  
q 1.877519985658113 1.1136e-07 au
tp 2457424.538595905858
(2016-Feb-06.03859591)
5.0099e-05 TDB
node 150.7854404625546 4.3786e-05 deg
peri 161.9963024911281 4.6858e-05 deg
i 5.671981481679656 5.78e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      6238 days (17.08 yr)  
   first obs. used      2002-10-03  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60617  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:04:48  

Additional Information
 Jupiter MOID = 2.56772 au 
 T_jup = 3.568 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.389621486956066E-15 -5.417754145050735E-15 5.416790444899909E-13 -4.750465133166556E-15 2.106592997508693E-13 5.724390877237402E-17
q -5.417754145050735E-15 1.240068419365086E-14 -1.457391669686159E-12 1.04146614217703E-14 -5.475958129891034E-13 2.170961173464218E-16
tp 5.416790444899909E-13 -1.457391669686159E-12 2.509876688143924E-9 -1.008008945868447E-11 8.474822617989385E-10 -1.069004356628493E-12
node -4.750465133166556E-15 1.04146614217703E-14 -1.008008945868447E-11 1.91725049147674E-9 -1.910288305138232E-9 4.471032439338521E-11
peri 2.106592997508693E-13 -5.475958129891034E-13 8.474822617989385E-10 -1.910288305138232E-9 2.195685933396725E-9 -4.481931118281799E-11
i 5.724390877237402E-17 2.170961173464218E-16 -1.069004356628493E-12 4.471032439338521E-11 -4.481931118281799E-11 3.340841575764486E-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 16.8   n/a MPO494440  

266510 (2008 EU54)          Discovered 2008-Mar-06 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2008 EU54 = 2002 UP47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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