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541231 (2011 CW65)
Classification: Main-belt Asteroid          SPK-ID: 2541231
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2089748229969572 5.5178e-08  
a 2.751166755035556 3.8148e-08 au
q 2.176242169366887 1.5072e-07 au
i 13.73922443714518 7.5514e-06 deg
node 128.5548207392613 2.2605e-05 deg
peri 279.9675655893032 3.3186e-05 deg
M 131.8169903002726 2.3427e-05 deg
tp 2458590.200955789573
(2019-Apr-16.70095579)
0.0001003 TDB
period 1666.762800571234
4.56
3.4668e-05
9.492e-08
d
yr
n .2159875417645633 4.4924e-09 deg/d
Q 3.326091340704224 4.612e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      3378 days (9.25 yr)  
   first obs. used      2011-01-28  
   last obs. used      2020-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52241  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:22:33  

Additional Information
 Earth MOID = 1.23521 au 
 Jupiter MOID = 2.20345 au 
 T_jup = 3.273 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.93   n/a E2021B25  

541231 (2011 CW65)          Discovered 2011-Jan-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 CW65 = 2014 WB235 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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