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277764 (2006 DA157)
Classification: Main-belt Asteroid          SPK-ID: 2277764
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09135025584687732 6.5012e-08  
a 3.09315830069133 4.0052e-08 au
q 2.810597498548285 1.9504e-07 au
i 7.72231890284811 1.025e-05 deg
node 1.240800706922336 3.8355e-05 deg
peri 298.5207078765712 7.0079e-05 deg
M 101.3054203672233 5.978e-05 deg
tp 2458441.345493759548
(2018-Nov-18.84549376)
0.00033132 TDB
period 1987.01729400938
5.44
3.8594e-05
1.057e-07
d
yr
n .1811760778757976 3.519e-09 deg/d
Q 3.375719102834375 4.3711e-08 au
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      9015 days (24.68 yr)  
   first obs. used      1995-02-25  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60469  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:11:25  

Additional Information
 Earth MOID = 1.80601 au 
 Jupiter MOID = 1.88458 au 
 T_jup = 3.204 
[ 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 15.7   n/a MPO503248  

277764 (2006 DA157)          Discovered 2006-Feb-27 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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