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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07028888140684585 4.8857e-08  
a 2.962471753091837 2.4123e-08 au
q 2.754242927367634 1.3953e-07 au
i 4.011655429369577 5.4545e-06 deg
node 172.7903010657841 7.0514e-05 deg
peri 35.11913665058351 8.0119e-05 deg
M 167.550996147334 3.8807e-05 deg
tp 2458133.689292475559
(2018-Jan-15.18929248)		 0.00020028 TDB
period 1862.429122381341
5.10		 2.2748e-05
6.228e-08		 d
yr
n .1932959465000721 2.361e-09 deg/d
Q 3.17070057881604 2.5819e-08 au
   Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      9109 days (24.94 yr)  
   first obs. used      1994-09-28  
   last obs. used      2019-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56155  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:18:41  

Additional Information
 Earth MOID = 1.75079 au 
 Jupiter MOID = 1.78844 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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