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233763 (2008 TK74)
Classification: Main-belt Asteroid          SPK-ID: 2233763
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06283750428988821 4.7622e-08  
a 3.163742687120436 3.472e-08 au
q 2.964940992446403 1.4859e-07 au
i 1.602928416279349 4.71e-06 deg
node 298.5503822279966 0.00020228 deg
peri 7.54230786645081 0.00020709 deg
M 109.1558539881891 4.4732e-05 deg
tp 2458377.275253968009
(2018-Sep-15.77525397)
0.00025529 TDB
period 2055.418013547796
5.63
3.3836e-05
9.264e-08
d
yr
n .1751468546189369 2.8832e-09 deg/d
Q 3.362544381794468 3.6902e-08 au
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      7681 days (21.03 yr)  
   first obs. used      1999-01-17  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49342  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:23:50  

Additional Information
 Earth MOID = 1.9499 au 
 Jupiter MOID = 1.79946 au 
 T_jup = 3.201 
[ 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 15.7   n/a MPO454691  
diameter diameter 4.492 km 1.832 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233763 (2008 TK74)          Discovered 2008-Oct-02 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

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