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382981 (2005 CA2)
Classification: Main-belt Asteroid          SPK-ID: 2382981
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1411413093520757 6.4806e-08  
a 2.7206021704512 3.7309e-08 au
q 2.336612817887619 1.72e-07 au
i 11.17884378329144 8.9319e-06 deg
node 309.0541822908377 3.6208e-05 deg
peri 146.8754530190525 5.5093e-05 deg
M 100.2690172206411 4.5003e-05 deg
tp 2458143.979541624375
(2018-Jan-25.47954162)
0.00019915 TDB
period 1639.064284968307
4.49
3.3716e-05
9.231e-08
d
yr
n .2196375110491539 4.518e-09 deg/d
Q 3.104591523014782 4.2575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      5756 days (15.76 yr)  
   first obs. used      2003-09-25  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62095  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:00:02  

Additional Information
 Earth MOID = 1.36184 au 
 Jupiter MOID = 2.05821 au 
 T_jup = 3.317 
[ 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 16.1   n/a MPO434375  
diameter diameter 4.654 km 0.269 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.030   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

382981 (2005 CA2)          Discovered 2005-Feb-01 by NEAT at Palomar
Reference: Last Updated: 2014-01-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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