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120554 (1995 CW5)
Classification: Main-belt Asteroid          SPK-ID: 2120554
[ 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 .2028302337114906 5.2519e-08  
a 3.116477611591467 2.9597e-08 au
q 2.484361729275741 1.6492e-07 au
i 10.56170992973653 4.6867e-06 deg
node 147.2454712840203 2.924e-05 deg
peri 250.8805247091867 3.1496e-05 deg
M 298.097337696361 1.1906e-05 deg
tp 2459346.042340515050
(2021-May-11.54234052)		 6.8667e-05 TDB
period 2009.529767479894
5.50		 2.8626e-05
7.837e-08		 d
yr
n .1791463882873792 2.552e-09 deg/d
Q 3.748593493907192 3.56e-08 au
   Orbit Determination Parameters
   # obs. used (total)      553  
   data-arc span      8970 days (24.56 yr)  
   first obs. used      1995-02-01  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51563  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:18:42  

Additional Information
 Earth MOID = 1.51553 au 
 Jupiter MOID = 1.82482 au 
 T_jup = 3.160 
[ 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 MPO439779  

120554 (1995 CW5)          Discovered 1995-Feb-01 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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