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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1231810575386133 5.3837e-08  
a 3.036437835807595 3.0532e-08 au
q 2.662406212042557 1.5875e-07 au
i 6.807577716621325 6.1933e-06 deg
node 59.7102616073202 4.9159e-05 deg
peri 88.77486223588434 5.543e-05 deg
M 174.1211323976249 2.4339e-05 deg
tp 2458265.753170960310
(2018-May-27.25317096)
0.00013099 TDB
period 1932.61354219678
5.29
2.9149e-05
7.981e-08
d
yr
n .1862762482719603 2.8095e-09 deg/d
Q 3.410469459572633 3.4292e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      9079 days (24.86 yr)  
   first obs. used      1995-10-15  
   last obs. used      2020-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6661  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:11:43  

Additional Information
 Earth MOID = 1.68472 au 
 Jupiter MOID = 1.63501 au 
 T_jup = 3.219 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457450.5 (2016-Mar-03.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1204501014266408 5.3316e-08  
q 2.670158689551801 1.5641e-07 au
tp 2458255.584263295006
(2018-May-17.08426329)
0.00013584 TDB
node 59.96508157451554 4.8821e-05 deg
peri 86.94066924582874 5.5682e-05 deg
i 6.831680403880826 6.2123e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      9079 days (24.86 yr)  
   first obs. used      1995-10-15  
   last obs. used      2020-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6661  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:11:43  

Additional Information
 Jupiter MOID = 1.63501 au 
 T_jup = 3.219 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.842601499468915E-15 -8.235879414886167E-15 -1.249518166220212E-12 7.016901002614854E-15 -2.77813631753015E-13 -2.578685119555719E-15
q -8.235879414886167E-15 2.446547282710416E-14 3.795666780635001E-12 -2.363836155863867E-14 7.825678636031959E-13 7.048833323779597E-15
tp -1.249518166220212E-12 3.795666780635001E-12 1.845268668888951E-8 -1.41940738897415E-11 3.66384015261566E-9 2.212111161634524E-12
node 7.016901002614854E-15 -2.363836155863867E-14 -1.41940738897415E-11 2.383467327355514E-9 -2.369151120475644E-9 5.746221833786448E-11
peri -2.77813631753015E-13 7.825678636031959E-13 3.66384015261566E-9 -2.369151120475644E-9 3.100500663449364E-9 -5.660817829836829E-11
i -2.578685119555719E-15 7.048833323779597E-15 2.212111161634524E-12 5.746221833786448E-11 -5.660817829836829E-11 3.859302768515049E-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 16.23   n/a E2021B25  

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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