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JPL Small-Body Database Browser
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305776 (2009 DE46)
Classification: Main-belt Asteroid          SPK-ID: 2305776
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06117866096444516 4.3924e-08  
a 2.389345953052437 2.162e-08 au
q 2.243168967063873 1.1057e-07 au
i 6.03738206232847 5.7253e-06 deg
node 147.0063420419498 5.1446e-05 deg
peri 321.8104985221265 7.5848e-05 deg
M 318.4054839103893 5.9543e-05 deg
tp 2458756.365700528698
(2019-Sep-29.86570053)
0.00022418 TDB
period 1349.015626710146
3.69
1.8309e-05
5.013e-08
d
yr
n .2668612526586772 3.622e-09 deg/d
Q 2.535522939041002 2.2942e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      8043 days (22.02 yr)  
   first obs. used      1996-10-07  
   last obs. used      2018-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58515  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 04:37:32  

Additional Information
 Earth MOID = 1.26332 au 
 Jupiter MOID = 2.51655 au 
 T_jup = 3.523 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO455253  

305776 (2009 DE46)          Discovered 2009-Feb-27 by Ory, M. at Vicques
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 DE46 = 2007 RD261 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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