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152660 (1998 CW)
Classification: Main-belt Asteroid          SPK-ID: 2152660
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1409426125039338 3.3186e-08  
a 2.725809836366488 1.6336e-08 au
q 2.341627076840076 9.1254e-08 au
i 4.638805846834542 4.6199e-06 deg
node 211.9185722820445 5.7016e-05 deg
peri 227.7342714267433 6.1267e-05 deg
M 77.39748284490702 2.004e-05 deg
tp 2458847.100366892696
(2019-Dec-29.60036689)
9.1537e-05 TDB
period 1643.772681516879
4.50
1.4777e-05
4.046e-08
d
yr
n .2190083848259304 1.9688e-09 deg/d
Q 3.109992595892901 1.8639e-08 au
  Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      22086 days (60.47 yr)  
   first obs. used      1960-09-25  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5741  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:28:05  

Additional Information
 Earth MOID = 1.35971 au 
 Jupiter MOID = 2.14468 au 
 T_jup = 3.337 
[ 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 16.21   n/a E2021B55  

152660 (1998 CW)          Discovered 1998-Feb-05 by Tichy, M., Moravec, Z. at Klet
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 1998 CW = 2001 XS205 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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