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541221 (2011 CA5)
Classification: Main-belt Asteroid          SPK-ID: 2541221
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2418281465030896 7.3947e-08  
a 2.810306385278461 3.7223e-08 au
q 2.130695201020773 2.124e-07 au
i 25.10018272186895 6.2036e-06 deg
node 139.895870085726 1.8343e-05 deg
peri 295.3348619443381 2.8138e-05 deg
M 75.84317996328102 1.5235e-05 deg
tp 2458837.970822932778
(2019-Dec-20.47082293)
7.3805e-05 TDB
period 1720.794194117202
4.71
3.4188e-05
9.36e-08
d
yr
n .2092057267689042 4.1564e-09 deg/d
Q 3.489917569536149 4.6224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      3746 days (10.26 yr)  
   first obs. used      2011-01-27  
   last obs. used      2021-04-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55883  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:11  

Additional Information
 Earth MOID = 1.25186 au 
 Jupiter MOID = 2.0138 au 
 T_jup = 3.143 
[ 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  

541221 (2011 CA5)          Discovered 2011-Jan-27 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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