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JPL Small-Body Database Browser
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201921 (2004 CN51)
Classification: Main-belt Asteroid          SPK-ID: 2201921
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05604321937200331 7.6499e-08  
a 3.053375323831498 4.397e-08 au
q 2.882254340732948 2.5871e-07 au
i 12.72395194956409 6.7017e-06 deg
node 98.36652631198298 3.4631e-05 deg
peri 54.9918032998613 9.4827e-05 deg
M 297.8150513549171 8.4959e-05 deg
tp 2458937.128973924686
(2020-Mar-28.62897392)
0.00046068 TDB
period 1948.806475736626
5.34
4.2096e-05
1.153e-07
d
yr
n .1847284501986911 3.9903e-09 deg/d
Q 3.224496306930049 4.6435e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      5456 days (14.94 yr)  
   first obs. used      2004-01-28  
   last obs. used      2019-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6878  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:30:54  

Additional Information
 Earth MOID = 1.91609 au 
 Jupiter MOID = 1.90121 au 
 T_jup = 3.196 
[ 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 15.3   n/a MPO422784  
diameter diameter 3.214 km 0.236 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.118   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201921 (2004 CN51)          Discovered 2004-Feb-15 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Alternate Designations
 2004 CN51 = 2005 JB138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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