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308236 (2005 EB311)
Classification: Main-belt Asteroid          SPK-ID: 2308236
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1241753949993251 4.1902e-07  
a 2.534077729081185 3.6536e-08 au
q 2.219407626113536 1.0689e-06 au
i 3.176317472061878 8.2133e-06 deg
node 358.5793153923371 0.00013582 deg
peri 299.1578799152304 0.0004994 deg
M 146.8725791314794 0.00058531 deg
tp 2458399.372570200574
(2018-Oct-07.87257020)
0.0023988 TDB
period 1473.425986031525
4.03
3.1865e-05
8.724e-08
d
yr
n .2443285264498501 5.284e-09 deg/d
Q 2.848747832048834 4.1073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      5381 days (14.73 yr)  
   first obs. used      2005-03-10  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .49664  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:56:15  

Additional Information
 Earth MOID = 1.20581 au 
 Jupiter MOID = 2.34104 au 
 T_jup = 3.436 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457303.5 (2015-Oct-08.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1253184313870903 4.2554e-07  
q 2.215745153752592 1.0871e-06 au
tp 2456927.212707601510
(2014-Sep-26.71270760)
0.0023935 TDB
node 358.6331425862781 0.00013561 deg
peri 299.2592837378765 0.00049646 deg
i 3.18029020802296 8.2186e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      5381 days (14.73 yr)  
   first obs. used      2005-03-10  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .49664  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:56:15  

Additional Information
 Jupiter MOID = 2.34104 au 
 T_jup = 3.436 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.810851874997742E-13 -4.624254413653411E-13 1.00278192151377E-9 7.214939649389027E-12 1.999877807861427E-10 -1.380787007461508E-13
q -4.624254413653411E-13 1.181845875557561E-12 -2.565188628273847E-9 -1.845173034431094E-11 -5.115654027591213E-10 3.544725908993183E-13
tp 1.00278192151377E-9 -2.565188628273847E-9 5.729076662739146E-6 4.106415398248487E-8 1.14388343669856E-6 -8.146397776502929E-10
node 7.214939649389027E-12 -1.845173034431094E-11 4.106415398248487E-8 1.83893786059273E-8 -9.869055418628298E-9 2.784557663497874E-10
peri 1.999877807861427E-10 -5.115654027591213E-10 1.14388343669856E-6 -9.869055418628298E-9 2.464721227058594E-7 -4.465835861023103E-10
i -1.380787007461508E-13 3.544725908993183E-13 -8.146397776502929E-10 2.784557663497874E-10 -4.465835861023103E-10 6.754509205816117E-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 17.2   n/a MPO503310  

308236 (2005 EB311)          Discovered 2005-Mar-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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