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305357 (2008 BA28)
Classification: Main-belt Asteroid          SPK-ID: 2305357
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07974307118598843 4.6162e-08  
a 3.108088996558838 3.933e-08 au
q 2.860240434453859 1.5401e-07 au
i 9.379367887219781 4.9509e-06 deg
node 127.5720374748896 3.9154e-05 deg
peri 191.5009199285656 5.614e-05 deg
M 258.1269109252042 4.2211e-05 deg
tp 2459566.863908555089
(2021-Dec-18.36390855)
0.00023861 TDB
period 2001.421660337932
5.48
3.7989e-05
1.04e-07
d
yr
n .179872141455297 3.4141e-09 deg/d
Q 3.355937558663816 4.2466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      5852 days (16.02 yr)  
   first obs. used      2004-04-19  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51861  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 19:59:03  

Additional Information
 Earth MOID = 1.84747 au 
 Jupiter MOID = 1.91482 au 
 T_jup = 3.194 
[ show covariance matrix ]

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 15.6   n/a MPO433967  

305357 (2008 BA28)          Discovered 2008-Jan-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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