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447696 (2007 DB9)
Classification: Main-belt Asteroid          SPK-ID: 2447696
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1449888558804306 6.8322e-08  
a 3.131495666635263 4.294e-08 au
q 2.67746369273529 2.1736e-07 au
i 5.158219315328567 7.3778e-06 deg
node 144.5825248668931 9.3704e-05 deg
peri 313.6564188967405 0.00010015 deg
M 191.7588774588774 3.3983e-05 deg
tp 2459946.423045034381
(2023-Jan-01.92304503)
0.00019748 TDB
period 2024.072896500927
5.54
4.1632e-05
1.14e-07
d
yr
n .1778592068607521 3.6583e-09 deg/d
Q 3.585527640535236 4.9166e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      8482 days (23.22 yr)  
   first obs. used      1996-03-12  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53885  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:10:33  

Additional Information
 Earth MOID = 1.69756 au 
 Jupiter MOID = 1.58729 au 
 T_jup = 3.191 
[ 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 MPO440858  

447696 (2007 DB9)          Discovered 2007-Jan-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Alternate Designations
 2007 DB9 = 1996 EH14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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