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JPL Small-Body Database Browser
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277259 (2005 SS9)
Classification: Main-belt Asteroid          SPK-ID: 2277259
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2425415039661908 5.9405e-08  
a 2.309519204579867 6.7036e-09 au
q 1.749364943262265 1.3816e-07 au
i 2.773106612172637 7.0979e-06 deg
node 211.6378560545431 7.7163e-05 deg
peri 141.9276936355891 7.9045e-05 deg
M 325.7375292507071 1.2192e-05 deg
tp 2458722.510433672537
(2019-Aug-27.01043367)		 4.341e-05 TDB
period 1281.978653656193
3.51		 5.5816e-06
1.528e-08		 d
yr
n .2808159082628114 1.2226e-09 deg/d
Q 2.869673465897469 8.3295e-09 au
   Orbit Determination Parameters
   # obs. used (total)      374  
   data-arc span      8745 days (23.94 yr)  
   first obs. used      1995-12-18  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53436  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:10:26  

Additional Information
 Earth MOID = .744556 au 
 Jupiter MOID = 2.57569 au 
 T_jup = 3.544 
[ 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 17.2   n/a MPO446374  

277259 (2005 SS9)          Discovered 2005-Sep-24 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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