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120538 (1994 SP5)
Classification: Main-belt Asteroid          SPK-ID: 2120538
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07008106033864375 4.4334e-08  
a 2.963079345459385 2.068e-08 au
q 2.755423603062057 1.2816e-07 au
i 4.011330435841866 4.6058e-06 deg
node 172.7868187351756 6.138e-05 deg
peri 35.04296049875468 6.9735e-05 deg
M 206.2931278043573 3.5838e-05 deg
tp 2459995.933967960761
(2023-Feb-20.43396796)		 0.00018861 TDB
period 1863.002118092621
5.10		 1.9503e-05
5.34e-08		 d
yr
n .1932364952803035 2.0229e-09 deg/d
Q 3.170735087856713 2.2129e-08 au
   Orbit Determination Parameters
   # obs. used (total)      466  
   data-arc span      9599 days (26.28 yr)  
   first obs. used      1994-09-28  
   last obs. used      2021-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55806  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:25:17  

Additional Information
 Earth MOID = 1.75106 au 
 Jupiter MOID = 1.78723 au 
 T_jup = 3.258 
[ 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 15.6   n/a MPO417628  

120538 (1994 SP5)          Discovered 1994-Sep-28 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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Alternate Designations
 1994 SP5 = 2002 EU39 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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