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305514 (2008 EB167)
Classification: Main-belt Asteroid          SPK-ID: 2305514
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 .1215444469643041 5.3668e-08  
a 3.040025294424626 3.3052e-08 au
q 2.670527101256289 1.5907e-07 au
i 6.814805772259999 6.8159e-06 deg
node 59.86551763314345 4.9523e-05 deg
peri 88.43862778576064 5.9373e-05 deg
M 137.2005886531453 2.8988e-05 deg
tp 2458262.650654240009
(2018-May-24.15065424)
0.00015873 TDB
period 1936.039539488576
5.30
3.1574e-05
8.644e-08
d
yr
n .1859466155815689 3.0325e-09 deg/d
Q 3.409523487592963 3.7069e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      8638 days (23.65 yr)  
   first obs. used      1995-10-15  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6674  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:55:23  

Additional Information
 Earth MOID = 1.69304 au 
 Jupiter MOID = 1.63705 au 
 T_jup = 3.218 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457215.5 (2015-Jul-12.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1204812457255676 5.3379e-08  
q 2.670048879994333 1.5728e-07 au
tp 2456323.154848637859
(2013-Jan-30.65484864)
0.00016925 TDB
node 59.97413596580472 4.9325e-05 deg
peri 86.87163101324764 5.9626e-05 deg
i 6.831600525827249 6.8289e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      8638 days (23.65 yr)  
   first obs. used      1995-10-15  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6674  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:55:23  

Additional Information
 Jupiter MOID = 1.63705 au 
 T_jup = 3.218 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.849285449372672E-15 -8.275941462793308E-15 -1.48458695682487E-12 1.201051700904986E-14 -2.432373314670562E-13 -4.841401371368818E-15
q -8.275941462793308E-15 2.473851748610073E-14 2.872558069065565E-12 -3.690058289036703E-14 4.856356929565975E-13 1.317888748155791E-14
tp -1.48458695682487E-12 2.872558069065565E-12 2.864675899202195E-8 -2.444443687480848E-11 5.687257219313341E-9 9.286810853566305E-12
node 1.201051700904986E-14 -3.690058289036703E-14 -2.444443687480848E-11 2.432929719038557E-9 -2.420613988817597E-9 3.858321488276864E-11
peri -2.432373314670562E-13 4.856356929565975E-13 5.687257219313341E-9 -2.420613988817597E-9 3.555278686809928E-9 -3.668872240429045E-11
i -4.841401371368818E-15 1.317888748155791E-14 9.286810853566305E-12 3.858321488276864E-11 -3.668872240429045E-11 4.663337250475557E-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 16.1   n/a MPO437357  

305514 (2008 EB167)          Discovered 2008-Mar-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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