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277260 (2005 SD17)
Classification: Main-belt Asteroid          SPK-ID: 2277260
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0831661856828504 7.7425e-08  
a 2.306807550969439 1.4442e-08 au
q 2.114959165850913 1.7756e-07 au
i 1.970706421522065 1.039e-05 deg
node 325.250830609078 0.00028984 deg
peri 335.4952083349558 0.00030088 deg
M 127.6749412765085 8.3257e-05 deg
tp 2458546.643416692051
(2019-Mar-04.14341669)
0.00029607 TDB
period 1279.721520584119
3.50
1.2018e-05
3.29e-08
d
yr
n .2813112026401501 2.6418e-09 deg/d
Q 2.498655936087964 1.5643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      7203 days (19.72 yr)  
   first obs. used      2000-02-07  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62492  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 05:22:55  

Additional Information
 Earth MOID = 1.09959 au 
 Jupiter MOID = 2.64366 au 
 T_jup = 3.582 
[ 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 17.9   n/a MPO450166  

277260 (2005 SD17)          Discovered 2005-Sep-26 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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