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441769 (2009 DT2)
Classification: Main-belt Asteroid          SPK-ID: 2441769
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .08097790251375067 1.0659e-07  
a 2.702327867905088 5.4686e-08 au
q 2.483499025257678 2.8788e-07 au
i 14.54819100479894 1.1758e-05 deg
node 11.00317404808943 2.8244e-05 deg
peri 126.2854395186679 6.9342e-05 deg
M 214.3595481720352 6.1771e-05 deg
tp 2459656.924834913867
(2022-Mar-18.42483491)
0.0002757 TDB
period 1622.577639680303
4.44
4.9253e-05
1.348e-07
d
yr
n .22186919824122 6.7348e-09 deg/d
Q 2.921156710552498 5.9114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      3365 days (9.21 yr)  
   first obs. used      2009-02-02  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52401  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 07:03:23  

Additional Information
 Earth MOID = 1.52021 au 
 Jupiter MOID = 2.10402 au 
 T_jup = 3.316 
[ 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 16.6   n/a MPO437717  

441769 (2009 DT2)          Discovered 2009-Feb-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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