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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1075087196141221 5.5363e-08  
a 2.364579403117735 1.2663e-08 au
q 2.110366499062623 1.2833e-07 au
i 2.979872541079454 6.1559e-06 deg
node 357.9842228578901 8.3447e-05 deg
peri 188.8602719625487 8.6073e-05 deg
M 41.08867075601569 2.0439e-05 deg
tp 2458848.917567751030
(2019-Dec-31.41756775)
7.5296e-05 TDB
period 1328.095424007837
3.64
1.0669e-05
2.921e-08
d
yr
n .2710648598679876 2.1775e-09 deg/d
Q 2.618792307172848 1.4025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      8075 days (22.11 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62005  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:42:43  

Additional Information
 Earth MOID = 1.11158 au 
 Jupiter MOID = 2.33956 au 
 T_jup = 3.539 
[ 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 16.5   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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2175-Jul-22 02:17 < 00:01 Eunom 0.0236498775951227 0.0236013052653869 0.023698465792481 6.31317039328694 6.31317029926754 2515664.595385877 0.510674245910465 2606.95941691949 66.7529325559265 -21.7526318628206 19672.5492014484 T 15 CATAB v2.0f-lin.ifort 2020-May-21 08:43:03 2020-May-21 08:43
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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