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JPL Small-Body Database Browser
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305781 (2009 DE50)
Classification: Main-belt Asteroid          SPK-ID: 2305781
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1711659268794181 5.3776e-08  
a 2.339390596934418 1.4564e-08 au
q 1.938966637077143 1.2309e-07 au
i 1.612984476454905 6.1654e-06 deg
node 198.1669760528629 0.00019268 deg
peri 307.9713542593681 0.00019385 deg
M 71.67434876793581 1.8896e-05 deg
tp 2458740.296105941206
(2019-Sep-13.79610594)
6.7701e-05 TDB
period 1306.93063099126
3.58
1.2204e-05
3.341e-08
d
yr
n .2754545585383923 2.5722e-09 deg/d
Q 2.739814556791693 1.7057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      6588 days (18.04 yr)  
   first obs. used      2002-04-08  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67167  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:01:15  

Additional Information
 Earth MOID = .951349 au 
 Jupiter MOID = 2.27107 au 
 T_jup = 3.545 
[ 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 18.2   n/a MPO418595  

305781 (2009 DE50)          Discovered 2009-Feb-19 by Spacewatch at Kitt Peak
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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