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305851 (2009 EB6)
Classification: Main-belt Asteroid          SPK-ID: 2305851
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1435947826390214 4.5659e-08  
a 2.352398193854033 1.7156e-08 au
q 2.014606086527137 1.0262e-07 au
i 1.961844890461777 4.4167e-06 deg
node 47.75045592321859 0.0001629 deg
peri 52.16732065803775 0.00016469 deg
M 98.28798599889596 2.369e-05 deg
tp 2458640.698791153467
(2019-Jun-06.19879115)
8.4976e-05 TDB
period 1317.846060923526
3.61
1.4416e-05
3.947e-08
d
yr
n .2731730288344281 2.9884e-09 deg/d
Q 2.690190301180929 1.9619e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      6563 days (17.97 yr)  
   first obs. used      2002-05-08  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53867  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:01:29  

Additional Information
 Earth MOID = 1.03219 au 
 Jupiter MOID = 2.44946 au 
 T_jup = 3.542 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457163.5 (2015-May-21.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1430596864492239 4.5824e-08  
q 2.016068948502946 1.0297e-07 au
tp 2457323.709277669553
(2015-Oct-28.20927767)
8.0281e-05 TDB
node 47.76218567156108 0.00016292 deg
peri 52.50999428191619 0.00016472 deg
i 1.962100166917745 4.4151e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      6563 days (17.97 yr)  
   first obs. used      2002-05-08  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53867  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:01:29  

Additional Information
 Jupiter MOID = 2.44946 au 
 T_jup = 3.542 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.099807441153102E-15 -4.677503546279074E-15 9.52503398171512E-13 1.727390377663911E-14 2.238226004434467E-13 -2.411013920903122E-15
q -4.677503546279074E-15 1.060301439444323E-14 -1.934440312710598E-12 -3.718055601833149E-14 -4.48596654351139E-13 5.415478031525698E-15
tp 9.52503398171512E-13 -1.934440312710598E-12 6.445062083460356E-9 2.936517020596613E-11 1.973920954701496E-9 -3.726238745205046E-12
node 1.727390377663911E-14 -3.718055601833149E-14 2.936517020596613E-11 2.654275302113698E-8 -2.651850684585992E-8 -7.30997588235917E-11
peri 2.238226004434467E-13 -4.48596654351139E-13 1.973920954701496E-9 -2.651850684585992E-8 2.713105652001622E-8 7.196871429901771E-11
i -2.411013920903122E-15 5.415478031525698E-15 -3.726238745205046E-12 -7.30997588235917E-11 7.196871429901771E-11 1.949329753943128E-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 17.5   n/a MPO460268  

305851 (2009 EB6)          Discovered 2009-Mar-01 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 EB6 = 2004 XC121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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