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259442 (2003 SL39)
Classification: Main-belt Asteroid          SPK-ID: 2259442
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1805872920537134 5.6542e-08  
a 2.24597721561078 7.5354e-09 au
q 1.84038227222929 1.2514e-07 au
i 2.065128392419261 4.8842e-06 deg
node 310.0318563655037 0.00016368 deg
peri 68.47895181416675 0.00016448 deg
M 335.3374136429763 1.436e-05 deg
tp 2459084.725299584219
(2020-Aug-23.22529958)
4.9176e-05 TDB
period 1229.437473076853
3.37
6.1872e-06
1.694e-08
d
yr
n .2928168433804491 1.4736e-09 deg/d
Q 2.65157215899227 8.8962e-09 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      9901 days (27.11 yr)  
   first obs. used      1993-10-08  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59448  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:16:43  

Additional Information
 Earth MOID = .843526 au 
 Jupiter MOID = 2.81679 au 
 T_jup = 3.608 
[ 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 17.5   n/a MPO437205  

259442 (2003 SL39)          Discovered 2003-Sep-16 by NEAT at Palomar
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

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