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JPL Small-Body Database Browser
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305749 (2009 DF5)
Classification: Main-belt Asteroid          SPK-ID: 2305749
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06181694085856494 7.9228e-08  
a 2.592286727190368 2.1971e-08 au
q 2.432039491887199 2.0574e-07 au
i 10.3720944601836 9.4394e-06 deg
node 337.2988511467214 2.8116e-05 deg
peri 338.9396422569564 6.7609e-05 deg
M .2966768770687523 6.0151e-05 deg
tp 2458599.243668701689
(2019-Apr-25.74366870)
0.00025472 TDB
period 1524.484388067933
4.17
1.9381e-05
5.306e-08
d
yr
n .2361454159961905 3.0022e-09 deg/d
Q 2.752533962493538 2.3329e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      7711 days (21.11 yr)  
   first obs. used      1998-09-14  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50725  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:41:01  

Additional Information
 Earth MOID = 1.42122 au 
 Jupiter MOID = 2.49592 au 
 T_jup = 3.393 
[ 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 15.9   n/a MPO437357  

305749 (2009 DF5)          Discovered 2009-Feb-20 by Hormuth, F. at Calar Alto
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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