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249903 (2001 SK89)
Classification: Main-belt Asteroid          SPK-ID: 2249903
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05694069450868924 6.2615e-08  
a 2.745266646098177 2.4182e-08 au
q 2.588949256657807 1.7734e-07 au
i 4.667628920485756 5.7549e-06 deg
node 218.1727117186231 9.0754e-05 deg
peri 76.84274672491973 0.00010952 deg
M 90.58109890569781 5.8342e-05 deg
tp 2458582.467245651111
(2019-Apr-08.96724565)
0.00027024 TDB
period 1661.403906374266
4.55
2.1952e-05
6.01e-08
d
yr
n .2166842142472382 2.863e-09 deg/d
Q 2.901584035538547 2.5559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      6560 days (17.96 yr)  
   first obs. used      2001-09-20  
   last obs. used      2019-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65095  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:19:15  

Additional Information
 Earth MOID = 1.57805 au 
 Jupiter MOID = 2.19641 au 
 T_jup = 3.341 
[ 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 16.5   n/a MPO440261  

249903 (2001 SK89)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

Alternate Designations
 2001 SK89 = 2006 TG26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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