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55617 (2002 TF79)
Classification: Main-belt Asteroid          SPK-ID: 2055617
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1122095735430027 3.7848e-08  
a 3.06828034729559 1.9666e-08 au
q 2.723989918015176 1.1567e-07 au
i 13.04560153733614 4.1215e-06 deg
node 63.2067178479484 2.1013e-05 deg
peri 18.56110565388111 3.5955e-05 deg
M 57.48214579339299 2.5834e-05 deg
tp 2458687.047703872852
(2019-Jul-22.54770387)
0.00014126 TDB
period 1963.093497089724
5.37
1.8874e-05
5.167e-08
d
yr
n .1833840316488736 1.7631e-09 deg/d
Q 3.412570776576004 2.1873e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1215  
   data-arc span      8185 days (22.41 yr)  
   first obs. used      1997-11-29  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50755  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:58:01  

Additional Information
 Earth MOID = 1.74255 au 
 Jupiter MOID = 1.89779 au 
 T_jup = 3.183 
[ 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 13.8   n/a MPO280075  
diameter diameter 5.857 km 0.253 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.187   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

55617 (2002 TF79)          Discovered 2002-Oct-01 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 TF79 = 1997 WB41 = 2000 KB20 = 2001 ON27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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