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JPL Small-Body Database Browser
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441786 (2009 DF89)
Classification: Main-belt Asteroid          SPK-ID: 2441786
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05858662775280231 7.5644e-08  
a 2.74844339442521 5.7738e-08 au
q 2.587421364376372 2.1398e-07 au
i 6.573695232021803 7.4272e-06 deg
node 33.41524003333223 6.4644e-05 deg
peri 344.4124750234329 8.8323e-05 deg
M 242.7146553214214 6.3775e-05 deg
tp 2459142.712930062335
(2020-Oct-20.21293006)
0.0003027 TDB
period 1664.288537987236
4.56
5.2444e-05
1.436e-07
d
yr
n .2163086458766208 6.8161e-09 deg/d
Q 2.909465424474048 6.112e-08 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      3309 days (9.06 yr)  
   first obs. used      2009-02-24  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44552  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:40:46  

Additional Information
 Earth MOID = 1.58931 au 
 Jupiter MOID = 2.36878 au 
 T_jup = 3.335 
[ 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 16.7   n/a MPO437717  

441786 (2009 DF89)          Discovered 2009-Feb-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2009 DF89 = 2011 SX164 = 2011 UZ222 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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