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JPL Small-Body Database Browser
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226869 (2004 TK56)
Classification: Main-belt Asteroid          SPK-ID: 2226869
[ 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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07591895737456542 9.1369e-08  
a 2.784275387972199 3.0745e-08 au
q 2.572896103473686 2.5684e-07 au
i 3.894815216945079 9.9959e-06 deg
node 343.8893082309693 0.00010077 deg
peri .1727839843675013 0.00011148 deg
M 73.24353855597894 4.5795e-05 deg
tp 2458255.250127750103
(2018-May-16.75012775)		 0.00021604 TDB
period 1696.940869602714
4.65		 2.8107e-05
7.695e-08		 d
yr
n .2121464609926466 3.5139e-09 deg/d
Q 2.995654672470712 3.3079e-08 au
   Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      6187 days (16.94 yr)  
   first obs. used      2002-02-12  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60506  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:19:37  

Additional Information
 Earth MOID = 1.5641 au 
 Jupiter MOID = 2.32264 au 
 T_jup = 3.324 
[ 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 16.4   n/a MPO454630  
diameter diameter 2.738 km 0.410 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226869 (2004 TK56)          Discovered 2004-Oct-05 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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