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441779 (2009 DF49)
Classification: Main-belt Asteroid          SPK-ID: 2441779
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441754424495407 9.6901e-08  
a 3.069946087154383 3.9049e-08 au
q 2.627335251742664 3.0664e-07 au
i 2.710015123690515 7.3978e-06 deg
node 171.9961854479861 0.00017942 deg
peri 61.89617054855407 0.00018253 deg
M 348.6590139972991 2.9229e-05 deg
tp 2459062.393189511346
(2020-Jul-31.89318951)
0.00015957 TDB
period 1964.692330876542
5.38
3.7486e-05
1.026e-07
d
yr
n .1832347967884555 3.4961e-09 deg/d
Q 3.512556922566103 4.4679e-08 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      8983 days (24.59 yr)  
   first obs. used      1995-09-22  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57168  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:53:02  

Additional Information
 Earth MOID = 1.61765 au 
 Jupiter MOID = 1.48531 au 
 T_jup = 3.213 
[ 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 16.6   n/a MPO423583  

441779 (2009 DF49)          Discovered 2009-Feb-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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