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183558 (2003 KT9)
Classification: Outer Main-belt Asteroid          SPK-ID: 2183558
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1743866552911018 9.8513e-08  
a 3.239851912271235 3.6706e-08 au
q 2.674864973651774 3.3689e-07 au
i 27.5100225762451 1.0444e-05 deg
node 185.9564446814316 9.6909e-06 deg
peri 50.74440082867999 2.6505e-05 deg
M 332.9712671068791 2.6382e-05 deg
tp 2459160.422419735163
(2020-Nov-06.92241974)
0.00015685 TDB
period 2130.032189533804
5.83
3.6199e-05
9.911e-08
d
yr
n .1690115303275264 2.8723e-09 deg/d
Q 3.804838850890695 4.3107e-08 au
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      6641 days (18.18 yr)  
   first obs. used      2002-02-21  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5949  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 04:39:22  

Additional Information
 Earth MOID = 1.73782 au 
 Jupiter MOID = 1.35577 au 
 T_jup = 2.984 
[ 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 15.0   n/a MPO294244  
diameter diameter 6.240 km 0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

183558 (2003 KT9)          Discovered 2003-May-25 by LONEOS at Anderson Mesa
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

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