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212013 (2005 CO4)
Classification: Main-belt Asteroid          SPK-ID: 2212013
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .107508727711185 5.0105e-08  
a 2.364579401591551 1.1997e-08 au
q 2.110366478554368 1.1382e-07 au
i 2.97986765416069 4.9295e-06 deg
node 357.9842465664412 8.0857e-05 deg
peri 188.8602467084088 8.3452e-05 deg
M 41.0886733584463 1.9447e-05 deg
tp 2458848.917558297018
(2019-Dec-31.41755830)
7.1753e-05 TDB
period 1328.095422722037
3.64
1.0107e-05
2.767e-08
d
yr
n .2710648601304201 2.0629e-09 deg/d
Q 2.618792324628734 1.3287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      8131 days (22.26 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58776  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:03:42  

Additional Information
 Earth MOID = 1.11158 au 
 Jupiter MOID = 2.33956 au 
 T_jup = 3.539 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457531.5 (2016-May-23.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1082487442036325 5.0071e-08  
q 2.108978320546472 1.139e-07 au
tp 2457520.116142284838
(2016-May-11.61614228)
7.2102e-05 TDB
node 358.0051373984276 8.0819e-05 deg
peri 188.6705394106283 8.3381e-05 deg
i 2.980750637341587 4.9301e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      8131 days (22.26 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58776  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:03:42  

Additional Information
 Jupiter MOID = 2.33956 au 
 T_jup = 3.539 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.507088864045394E-15 -5.683470238499342E-15 4.841453758143807E-13 4.340001965321174E-15 1.105622776424785E-13 -2.15369137493863E-15
q -5.683470238499342E-15 1.297351235164499E-14 -1.261774959197921E-12 -1.087190704391541E-14 -2.952444002899822E-13 5.006288515141633E-15
tp 4.841453758143807E-13 -1.261774959197921E-12 5.198743426366864E-9 2.071504318159131E-11 1.493244215155722E-9 -1.982700324392697E-12
node 4.340001965321174E-15 -1.087190704391541E-14 2.071504318159131E-11 6.531671777226837E-9 -6.516612403384346E-9 1.279102874552878E-10
peri 1.105622776424785E-13 -2.952444002899822E-13 1.493244215155722E-9 -6.516612403384346E-9 6.952339365630488E-9 -1.282943392181122E-10
i -2.15369137493863E-15 5.006288515141633E-15 -1.982700324392697E-12 1.279102874552878E-10 -1.282943392181122E-10 2.4306094109781E-11

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 16.5   n/a MPO418135  
diameter diameter 2.608 km 0.391 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212013 (2005 CO4)          Discovered 2005-Feb-01 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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