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78734 (2002 TR251)
Classification: Main-belt Asteroid          SPK-ID: 2078734
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1507188007749902 4.1063e-08  
a 3.123882553374415 2.1509e-08 au
q 2.653054721167909 1.3597e-07 au
i 5.709238807325975 4.4668e-06 deg
node 149.4442015274122 5.0509e-05 deg
peri 333.6540956755321 5.4114e-05 deg
M 351.5599914893514 1.7914e-05 deg
tp 2459047.780368972239
(2020-Jul-17.28036897)
0.00010046 TDB
period 2016.696169030045
5.52
2.0829e-05
5.703e-08
d
yr
n .1785097852261734 1.8437e-09 deg/d
Q 3.594710385580921 2.4751e-08 au
  Orbit Determination Parameters
   # obs. used (total)      872  
   data-arc span      10133 days (27.74 yr)  
   first obs. used      1993-01-23  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56812  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:43  

Additional Information
 Earth MOID = 1.67008 au 
 Jupiter MOID = 1.48364 au 
 T_jup = 3.190 
[ 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 14.6   n/a MPO412655  
diameter diameter 5.821 km 0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78734 (2002 TR251)          Discovered 2002-Oct-07 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 TR251 = 1993 BA14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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