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305471 (2008 DB46)
Classification: Outer Main-belt Asteroid          SPK-ID: 2305471
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1289407629892748 1.071e-07  
a 3.210438935494015 4.8216e-08 au
q 2.796482489620942 3.6565e-07 au
i 6.098540314111272 7.7344e-06 deg
node 82.88063033849558 8.1577e-05 deg
peri 186.5788229031854 9.1796e-05 deg
M 307.9683042238258 4.9461e-05 deg
tp 2459304.176039720294
(2021-Mar-30.67603972)
0.00029181 TDB
period 2101.091895401302
5.75
4.7333e-05
1.296e-07
d
yr
n .171339483431419 3.8599e-09 deg/d
Q 3.624395381367088 5.4434e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      6205 days (16.99 yr)  
   first obs. used      2003-05-02  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .73514  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 19:59:56  

Additional Information
 Earth MOID = 1.7805 au 
 Jupiter MOID = 1.46803 au 
 T_jup = 3.170 
[ 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 16.3   n/a MPO291869  

305471 (2008 DB46)          Discovered 2008-Feb-28 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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