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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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1122095736522815 3.7798e-08  
a 3.068280347239004 1.9632e-08 au
q 2.723989917629641 1.1546e-07 au
i 13.04560179683519 4.1054e-06 deg
node 63.20671768171899 2.1012e-05 deg
peri 18.56110591991418 3.5954e-05 deg
M 57.4821457142859 2.5831e-05 deg
tp 2458687.047704312897
(2019-Jul-22.54770431)
0.00014124 TDB
period 1963.093497035418
5.37
1.8841e-05
5.158e-08
d
yr
n .1833840316539466 1.7601e-09 deg/d
Q 3.412570776848367 2.1835e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1242  
   data-arc span      8241 days (22.56 yr)  
   first obs. used      1997-11-29  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50704  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:02:58  

Additional Information
 Earth MOID = 1.74255 au 
 Jupiter MOID = 1.89779 au 
 T_jup = 3.183 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457292.5 (2015-Sep-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1122233989678378 3.7658e-08  
q 2.723510039880069 1.1516e-07 au
tp 2456728.506505890251
(2014-Mar-12.00650589)
0.0001451 TDB
node 63.22402031725188 2.1015e-05 deg
peri 19.2634905724045 3.5949e-05 deg
i 13.04527964287064 4.1051e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1242  
   data-arc span      8241 days (22.56 yr)  
   first obs. used      1997-11-29  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50704  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:02:58  

Additional Information
 Jupiter MOID = 1.89779 au 
 T_jup = 3.183 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.418126569109286E-15 -4.286870985907279E-15 -7.229069930409393E-13 -8.138153746004738E-16 -1.8496785155921E-13 -2.233348858423043E-15
q -4.286870985907279E-15 1.326185387278704E-14 1.462526269730795E-12 2.389497477887251E-15 4.300872945227799E-13 8.387133231488787E-15
tp -7.229069930409393E-13 1.462526269730795E-12 2.105279324712753E-8 2.381783331292016E-11 4.260014322920944E-9 -2.134941124113944E-11
node -8.138153746004738E-16 2.389497477887251E-15 2.381783331292016E-11 4.41646508359113E-10 -4.248907144540128E-10 6.859667342994721E-13
peri -1.8496785155921E-13 4.300872945227799E-13 4.260014322920944E-9 -4.248907144540128E-10 1.29232503933253E-9 -4.832360977903465E-12
i -2.233348858423043E-15 8.387133231488787E-15 -2.134941124113944E-11 6.859667342994721E-13 -4.832360977903465E-12 1.685181674741434E-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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