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295097 (2008 EY159)
Classification: Main-belt Asteroid          SPK-ID: 2295097
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .022592019934391 6.5731e-08  
a 3.119581843208125 3.8005e-08 au
q 3.049104188019403 1.9531e-07 au
i 10.53602608560366 4.8203e-06 deg
node 160.0042405551666 3.5675e-05 deg
peri 59.72692063375161 0.00014852 deg
M 66.15104399727548 0.00013881 deg
tp 2458830.691231314789
(2019-Dec-13.19123132)
0.00077968 TDB
period 2012.532965196427
5.51
3.6777e-05
1.007e-07
d
yr
n .1788790574989977 3.2688e-09 deg/d
Q 3.190059498396848 3.8863e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      6727 days (18.42 yr)  
   first obs. used      2002-03-20  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59758  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:13:10  

Additional Information
 Earth MOID = 2.05903 au 
 Jupiter MOID = 1.79215 au 
 T_jup = 3.190 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457866.5 (2017-Apr-23.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02115819894532027 6.6476e-08  
q 3.050821559131792 1.9614e-07 au
tp 2458807.323097768972
(2019-Nov-19.82309777)
0.00082275 TDB
node 160.0756316391926 3.5715e-05 deg
peri 55.28553694310336 0.00015596 deg
i 10.53192977247769 4.8199e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      6727 days (18.42 yr)  
   first obs. used      2002-03-20  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59758  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:13:10  

Additional Information
 Jupiter MOID = 1.79215 au 
 T_jup = 3.190 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.418993497608513E-15 -1.283377950589976E-14 -7.417544589870905E-12 -1.708635942278579E-14 -1.531250942263562E-12 -9.291110325650071E-15
q -1.283377950589976E-14 3.846918969416294E-14 7.517226316489119E-12 5.17849506999191E-14 1.785129808188681E-12 3.134107902162536E-14
tp -7.417544589870905E-12 7.517226316489119E-12 6.76925690446113E-7 -9.69529882841467E-11 1.249503641005008E-7 -8.898564739369276E-11
node -1.708635942278579E-14 5.17849506999191E-14 -9.69529882841467E-11 1.275557228502451E-9 -1.271023516417099E-9 3.075324348185278E-11
peri -1.531250942263562E-12 1.785129808188681E-12 1.249503641005008E-7 -1.271023516417099E-9 2.432430562992659E-8 -4.643259854397562E-11
i -9.291110325650071E-15 3.134107902162536E-14 -8.898564739369276E-11 3.075324348185278E-11 -4.643259854397562E-11 2.323103163895992E-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 15.72   n/a E2021B55  
diameter diameter 3.975 km 0.866 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295097 (2008 EY159)          Discovered 2008-Mar-03 by PMO NEO Survey Program at Purple Mountain
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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