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78680 (2002 TR131)
Classification: Main-belt Asteroid          SPK-ID: 2078680
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1040686575603177 4.6044e-08  
a 3.107204018393495 2.6582e-08 au
q 2.78384146743326 1.476e-07 au
i 9.258091688712051 5.9843e-06 deg
node 343.0272863757624 2.9794e-05 deg
peri 73.9202195724715 4.3246e-05 deg
M 42.25896683158376 2.8861e-05 deg
tp 2458765.661414453692
(2019-Oct-09.16141445)
0.00016023 TDB
period 2000.566912428282
5.48
2.5672e-05
7.029e-08
d
yr
n .1799489923398928 2.3092e-09 deg/d
Q 3.430566569353731 2.9349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      745  
   data-arc span      10366 days (28.38 yr)  
   first obs. used      1991-10-04  
   last obs. used      2020-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51483  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:58  

Additional Information
 Earth MOID = 1.81322 au 
 Jupiter MOID = 1.93333 au 
 T_jup = 3.192 
[ 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 14.7   n/a MPO337848  
diameter diameter 4.648 km 1.350 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.142   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78680 (2002 TR131)          Discovered 2002-Oct-04 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 TR131 = 1991 TP4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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