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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02183471504112789 6.5957e-08  
a 3.116518323667688 3.7884e-08 au
q 3.048470034149951 1.9548e-07 au
i 10.5327371537588 4.8197e-06 deg
node 160.0463507828348 3.5711e-05 deg
peri 58.01541520922132 0.00015271 deg
M 32.03942825591091 0.00014356 deg
tp 2458821.651537664704
(2019-Dec-04.15153766)
0.00080309 TDB
period 2009.569144818566
5.50
3.6643e-05
1.003e-07
d
yr
n .1791428779289416 3.2665e-09 deg/d
Q 3.184566613185426 3.8712e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59748  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:50:38  

Additional Information
 Earth MOID = 2.059 au 
 Jupiter MOID = 1.79689 au 
 T_jup = 3.191 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457866.5 (2017-Apr-23.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02115819799903848 6.6476e-08  
q 3.050821561426584 1.9614e-07 au
tp 2458807.323105919913
(2019-Nov-19.82310592)
0.00082275 TDB
node 160.0756316382872 3.5715e-05 deg
peri 55.28553840347549 0.00015596 deg
i 10.53192976676689 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59748  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:50:38  

Additional Information
 Jupiter MOID = 1.79689 au 
 T_jup = 3.191 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.418992900239609E-15 -1.283377698342136E-14 -7.417541714017071E-12 -1.708635095980568E-14 -1.531250448522619E-12 -9.291110608637151E-15
q -1.283377698342136E-14 3.846918069408113E-14 7.51721582649028E-12 5.178494129492971E-14 1.785127926107784E-12 3.134107708934732E-14
tp -7.417541714017071E-12 7.51721582649028E-12 6.769256995692873E-7 -9.695305738393001E-11 1.249503661617611E-7 -8.898563803376349E-11
node -1.708635095980568E-14 5.178494129492971E-14 -9.695305738393001E-11 1.275557243102176E-9 -1.271023543699277E-9 3.075324607986231E-11
peri -1.531250448522619E-12 1.785127926107784E-12 1.249503661617611E-7 -1.271023543699277E-9 2.432430610035226E-8 -4.643259912166045E-11
i -9.291110608637151E-15 3.134107708934732E-14 -8.898563803376349E-11 3.075324607986231E-11 -4.643259912166045E-11 2.32310315936842E-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 15.6   n/a MPO413251  
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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