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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2024938803642807 4.2291e-08  
a 3.114141108578058 2.3745e-08 au
q 2.483546591500164 1.4218e-07 au
i 10.56488655796715 4.6273e-06 deg
node 147.2459105729618 2.0109e-05 deg
peri 251.0416120859005 2.3592e-05 deg
M 333.7889202426561 1.1682e-05 deg
tp 2459346.646449601148
(2021-May-12.14644960)		 6.5781e-05 TDB
period 2007.270297274652
5.50		 2.2958e-05
6.286e-08		 d
yr
n .1793480432051358 2.0513e-09 deg/d
Q 3.744735625655951 2.8553e-08 au
   Orbit Determination Parameters
   # obs. used (total)      725  
   data-arc span      9473 days (25.94 yr)  
   first obs. used      1995-02-01  
   last obs. used      2021-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48389  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:25:20  

Additional Information
 Earth MOID = 1.51378 au 
 Jupiter MOID = 1.82948 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 15.08   n/a E2021B55  

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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