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347265 (2011 KB28)
Classification: Main-belt Asteroid          SPK-ID: 2347265
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .2357403114629408 1.0401e-07  
a 2.575312468261823 4.0063e-08 au
q 1.968207504879386 2.9237e-07 au
i 12.12212142567485 1.1523e-05 deg
node 242.5200275600718 2.8806e-05 deg
peri 49.05014054045248 4.884e-05 deg
M 35.55268663866403 4.8434e-05 deg
tp 2458851.422106728328
(2020-Jan-02.92210673)
0.0002 TDB
period 1509.535471207881
4.13
3.5225e-05
9.644e-08
d
yr
n .238483962031008 5.5649e-09 deg/d
Q 3.18241743164426 4.9507e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      5769 days (15.79 yr)  
   first obs. used      2003-07-23  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:25:29  

Additional Information
 Earth MOID = .975183 au 
 Jupiter MOID = 2.05216 au 
 T_jup = 3.357 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457194.5 (2015-Jun-21.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2350731849596794 1.037e-07  
q 1.970238232433623 2.9081e-07 au
tp 2457342.394228452586
(2015-Nov-15.89422845)
0.00017155 TDB
node 242.5336984989987 2.8799e-05 deg
peri 49.25562761618635 4.9056e-05 deg
i 12.12186981685513 1.1526e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      5769 days (15.79 yr)  
   first obs. used      2003-07-23  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:25:29  

Additional Information
 Jupiter MOID = 2.05216 au 
 T_jup = 3.357 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.07532938076312E-14 -3.00921009562761E-14 -1.4859217158192E-11 2.639700722994154E-14 -3.21245479889553E-12 -1.078149836163238E-13
q -3.00921009562761E-14 8.457005346069494E-14 4.253337666464413E-11 -8.386177292094205E-14 9.238959159763284E-12 3.148503806873413E-13
tp -1.4859217158192E-11 4.253337666464413E-11 2.943058519656138E-8 -2.218975970411191E-11 6.808078082717537E-9 1.963573297540084E-10
node 2.639700722994154E-14 -8.386177292094205E-14 -2.218975970411191E-11 8.293797401548864E-10 -8.158130637950768E-10 -1.80792335485355E-10
peri -3.21245479889553E-12 9.238959159763284E-12 6.808078082717537E-9 -8.158130637950768E-10 2.406516124056742E-9 2.220747141075513E-10
i -1.078149836163238E-13 3.148503806873413E-13 1.963573297540084E-10 -1.80792335485355E-10 2.220747141075513E-10 1.328396450303141E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO471606  

347265 (2011 KB28)          Discovered 2008-Oct-30 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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