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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1122095698010856 3.841e-08  
a 3.068280349802929 2.0134e-08 au
q 2.723989931722418 1.1812e-07 au
i 13.04560078791113 4.3381e-06 deg
node 63.20671932860799 2.1157e-05 deg
peri 18.56110552090961 3.6148e-05 deg
M 57.48214391607583 2.6103e-05 deg
tp 2458687.047713725712
(2019-Jul-22.54771373)
0.00014263 TDB
period 1963.093499496027
5.37
1.9322e-05
5.29e-08
d
yr
n .1833840314240868 1.805e-09 deg/d
Q 3.41257076788344 2.2393e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1104  
   data-arc span      8102 days (22.18 yr)  
   first obs. used      1997-11-29  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51853  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 11:32:24  

Additional Information
 Earth MOID = 1.74255 au 
 Jupiter MOID = 1.89779 au 
 T_jup = 3.183 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457137.5 (2015-Apr-25.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1121447083886085 3.8237e-08  
q 2.725130479593454 1.179e-07 au
tp 2456729.533190099850
(2014-Mar-13.03319010)
0.00014609 TDB
node 63.24499619076946 2.1162e-05 deg
peri 19.50104630152269 3.615e-05 deg
i 13.04257058347483 4.337e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1104  
   data-arc span      8102 days (22.18 yr)  
   first obs. used      1997-11-29  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51853  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 11:32:24  

Additional Information
 Jupiter MOID = 1.89779 au 
 T_jup = 3.183 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.462091617968575E-15 -4.455358901259357E-15 -8.076340204060844E-13 -1.593420162148645E-15 -1.985195186794275E-13 -1.918312377304125E-15
q -4.455358901259357E-15 1.389945167263012E-14 1.76379261617114E-12 4.600250076410925E-15 4.786823009592985E-13 6.961443015244852E-15
tp -8.076340204060844E-13 1.76379261617114E-12 2.134205325158219E-8 2.241695838085246E-11 4.310013328717964E-9 -2.138798118238258E-11
node -1.593420162148645E-15 4.600250076410925E-15 2.241695838085246E-11 4.478481055144018E-10 -4.313046406032526E-10 -2.488369943969548E-12
peri -1.985195186794275E-13 4.786823009592985E-13 4.310013328717964E-9 -4.313046406032526E-10 1.306842242665214E-9 -1.754969346054241E-12
i -1.918312377304125E-15 6.961443015244852E-15 -2.138798118238258E-11 -2.488369943969548E-12 -1.754969346054241E-12 1.880950377818412E-11

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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