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359208 (2009 DW74)
Classification: Main-belt Asteroid          SPK-ID: 2359208
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2335283077233202 1.0513e-07  
a 2.462637132376694 3.0835e-08 au
q 1.887541650316155 2.4883e-07 au
i 6.809070668170444 9.3211e-06 deg
node 307.7316978627324 9.3664e-05 deg
peri 279.5932497892321 9.6924e-05 deg
M 274.6324603024115 2.1994e-05 deg
tp 2459335.225906741436
(2021-Apr-30.72590674)
8.5194e-05 TDB
period 1411.559087374294
3.86
2.6511e-05
7.258e-08
d
yr
n .2550371452530921 4.79e-09 deg/d
Q 3.037732614437234 3.8035e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      5433 days (14.87 yr)  
   first obs. used      2005-03-09  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56916  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:42:50  

Additional Information
 Earth MOID = .892362 au 
 Jupiter MOID = 2.02207 au 
 T_jup = 3.441 
[ 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 16.8   n/a MPO455592  

359208 (2009 DW74)          Discovered 2009-Feb-16 by CSS at Catalina
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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