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268947 (2007 DU44)
Classification: Main-belt Asteroid          SPK-ID: 2268947
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2864481134084105 6.3385e-08  
a 2.625111753278715 2.7803e-08 au
q 1.873153444065782 1.6785e-07 au
i 17.78232561478169 7.5981e-06 deg
node 60.44725366322093 2.542e-05 deg
peri 152.351155027902 3.1827e-05 deg
M 31.03130855875786 2.4671e-05 deg
tp 2458866.588550665607
(2020-Jan-18.08855067)
0.00010466 TDB
period 1553.531707149868
4.25
2.468e-05
6.757e-08
d
yr
n .2317300627616165 3.6814e-09 deg/d
Q 3.377070062491648 3.5767e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      5284 days (14.47 yr)  
   first obs. used      2005-12-01  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66175  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:09:42  

Additional Information
 Earth MOID = .880291 au 
 Jupiter MOID = 1.65388 au 
 T_jup = 3.278 
[ 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 16.2   n/a MPO423033  

268947 (2007 DU44)          Discovered 2007-Feb-17 by CSS at Catalina
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

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