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266498 (2008 DF84)
Classification: Main-belt Asteroid          SPK-ID: 2266498
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1460296510174877 3.9114e-08  
a 2.720106559123387 3.057e-08 au
q 2.32289034756422 1.098e-07 au
i 9.270074784065962 7.0184e-06 deg
node 33.27528984190067 2.9227e-05 deg
peri 237.3143032561894 3.9525e-05 deg
M 186.4343292214746 2.7569e-05 deg
tp 2459790.520996395299
(2022-Jul-30.02099640)
0.00012703 TDB
period 1638.616423550827
4.49
2.7624e-05
7.563e-08
d
yr
n .219697541673537 3.7036e-09 deg/d
Q 3.117322770682554 3.5034e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      6147 days (16.83 yr)  
   first obs. used      2003-03-07  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56671  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 04:10:36  

Additional Information
 Earth MOID = 1.32278 au 
 Jupiter MOID = 2.0115 au 
 T_jup = 3.325 
[ 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 16.0   n/a MPO454981  

266498 (2008 DF84)          Discovered 2008-Feb-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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