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541256 (2011 DF20)
Classification: Main-belt Asteroid          SPK-ID: 2541256
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04477923397647796 6.5468e-08  
a 2.995858328545772 2.6727e-08 au
q 2.861706087491441 2.0415e-07 au
i 14.62433545410471 4.4869e-06 deg
node 75.69859700288059 1.6887e-05 deg
peri 126.0540074942315 5.1971e-05 deg
M 292.4575004335504 5.0168e-05 deg
tp 2459555.848889809341
(2021-Dec-07.34888981)
0.00026516 TDB
period 1894.001571640196
5.19
2.5346e-05
6.939e-08
d
yr
n .1900737599115305 2.5436e-09 deg/d
Q 3.130010569600103 2.7924e-08 au
  Orbit Determination Parameters
   # obs. used (total)      412  
   data-arc span      7263 days (19.89 yr)  
   first obs. used      2001-04-21  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51458  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:22:39  

Additional Information
 Earth MOID = 1.87415 au 
 Jupiter MOID = 1.92193 au 
 T_jup = 3.204 
[ 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 15.43   n/a MPCxxxxx  

541256 (2011 DF20)          Discovered 2003-Sep-28 by LONEOS at Anderson Mesa
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Alternate Designations
 2011 DF20 = 2006 FJ47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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