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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05790163870495608 7.5272e-08  
a 2.745526203071172 5.7577e-08 au
q 2.586555736805955 2.1265e-07 au
i 6.570710432725759 7.4264e-06 deg
node 33.3398589991028 6.4726e-05 deg
peri 345.5061183795419 8.9183e-05 deg
M 328.2296473068488 6.6247e-05 deg
tp 2459147.141316727360
(2020-Oct-24.64131673)
0.00030792 TDB
period 1661.639533300802
4.55
5.227e-05
1.431e-07
d
yr
n .2166534875857639 6.8152e-09 deg/d
Q 2.904496669336389 6.0911e-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 = 1.58939 au 
 Jupiter MOID = 2.36809 au 
 T_jup = 3.336 
[ 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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