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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02183470199904132 6.8487e-08  
a 3.116518329434692 3.8734e-08 au
q 3.048470080436935 2.0611e-07 au
i 10.53273402414088 6.0011e-06 deg
node 160.0463403457214 3.7279e-05 deg
peri 58.01544141271311 0.00015468 deg
M 32.03941071291078 0.00014562 deg
tp 2458821.651635095697
(2019-Dec-04.15163510)
0.00081447 TDB
period 2009.569150396518
5.50
3.7464e-05
1.026e-07
d
yr
n .1791428774316955 3.3398e-09 deg/d
Q 3.184566578432448 3.958e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      6662 days (18.24 yr)  
   first obs. used      2002-03-20  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60683  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:17:30  

Additional Information
 Earth MOID = 2.059 au 
 Jupiter MOID = 1.79689 au 
 T_jup = 3.191 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457503.5 (2016-Apr-25.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02100181442203378 6.9143e-08  
q 3.051576437154203 2.073e-07 au
tp 2456794.554110600101
(2014-May-17.05411060)
0.00085543 TDB
node 160.0786151493612 3.7277e-05 deg
peri 54.79923168330303 0.00015854 deg
i 10.53256292252356 6.0019e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      6662 days (18.24 yr)  
   first obs. used      2002-03-20  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60683  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:17:30  

Additional Information
 Jupiter MOID = 1.79689 au 
 T_jup = 3.191 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.780790411205918E-15 -1.41102109019602E-14 -1.044716774045334E-11 -1.69944757098309E-14 -1.896372302610738E-12 -9.964608803653598E-15
q -1.41102109019602E-14 4.297482656325369E-14 1.665354810596145E-11 5.193579860197598E-14 3.111034430402269E-12 3.397347974069065E-14
tp -1.044716774045334E-11 1.665354810596145E-11 7.317684200836567E-7 -1.051445763990016E-10 1.318825067553011E-7 -8.640117855890179E-11
node -1.69944757098309E-14 5.193579860197598E-14 -1.051445763990016E-10 1.389537493972591E-9 -1.384516946612087E-9 6.846187555864249E-11
peri -1.896372302610738E-12 3.111034430402269E-12 1.318825067553011E-7 -1.384516946612087E-9 2.513362916162649E-8 -8.256481258084816E-11
i -9.964608803653598E-15 3.397347974069065E-14 -8.640117855890179E-11 6.846187555864249E-11 -8.256481258084816E-11 3.602289796011571E-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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