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295033 (2008 EU81)
Classification: Outer Main-belt Asteroid          SPK-ID: 2295033
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08478763551081163 8.307e-08  
a 3.376006600604249 4.708e-08 au
q 3.089762983470122 2.8764e-07 au
i 7.452057056342381 1.1886e-05 deg
node 320.423334539618 4.2697e-05 deg
peri 230.9218230914125 7.1636e-05 deg
M 336.9066447461473 5.4627e-05 deg
tp 2459145.840916085617
(2020-Oct-23.34091609)
0.0003436 TDB
period 2265.704970787778
6.20
4.7395e-05
1.298e-07
d
yr
n .1588909432788282 3.3237e-09 deg/d
Q 3.662250217738376 5.1072e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      7886 days (21.59 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52367  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:39:23  

Additional Information
 Earth MOID = 2.09771 au 
 Jupiter MOID = 1.37845 au 
 T_jup = 3.133 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457518.5 (2016-May-10.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08564465859392545 8.357e-08  
q 3.086971284159944 2.893e-07 au
tp 2456874.959515498714
(2014-Aug-05.45951550)
0.00034341 TDB
node 320.4645770123297 4.2692e-05 deg
peri 230.2668667121344 7.0885e-05 deg
i 7.452786867302859 1.1887e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      7886 days (21.59 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52367  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:39:23  

Additional Information
 Jupiter MOID = 1.37845 au 
 T_jup = 3.133 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.983898111131682E-15 -2.3914299520527E-14 -1.566735086709238E-11 -1.997193415846654E-14 -2.446326041479716E-12 -1.710609774753971E-15
q -2.3914299520527E-14 8.369619970352009E-14 5.014491749138003E-11 8.712299992097084E-14 7.849406747359526E-12 6.869621748256736E-15
tp -1.566735086709238E-11 5.014491749138003E-11 1.179329785038673E-7 5.87366452327656E-11 1.94437292972603E-8 -1.3216731141727E-11
node -1.997193415846654E-14 8.712299992097084E-14 5.87366452327656E-11 1.822611758240831E-9 -1.795334011248323E-9 1.115810110725219E-10
peri -2.446326041479716E-12 7.849406747359526E-12 1.94437292972603E-8 -1.795334011248323E-9 5.024749387001269E-9 -1.129846633183486E-10
i -1.710609774753971E-15 6.869621748256736E-15 -1.3216731141727E-11 1.115810110725219E-10 -1.129846633183486E-10 1.412990174241739E-10

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 14.8   n/a MPO423130  
diameter diameter 6.598 km 2.805 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295033 (2008 EU81)          Discovered 2008-Mar-02 by LINEAR at Socorro
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 EU81 = 2006 YL56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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