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JPL Small-Body Database Browser
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65745 (1993 TT31)
Classification: Main-belt Asteroid          SPK-ID: 2065745
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2022652420102431 5.1573e-08  
a 2.267965660630736 9.6595e-09 au
q 1.809235037412339 1.1362e-07 au
i 2.748411079182534 4.4591e-06 deg
node 147.4315870366297 0.00010301 deg
peri 194.953077781468 0.00010377 deg
M 315.3775347786464 1.5975e-05 deg
tp 2459155.133717849432
(2020-Nov-01.63371785)
5.602e-05 TDB
period 1247.536149104468
3.42
7.9701e-06
2.182e-08
d
yr
n .2885687923820265 1.8436e-09 deg/d
Q 2.726696283849132 1.1613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      702  
   data-arc span      9315 days (25.50 yr)  
   first obs. used      1993-10-09  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52899  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:45:04  

Additional Information
 Earth MOID = .801272 au 
 Jupiter MOID = 2.6741 au 
 T_jup = 3.586 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456721.5 (2014-Mar-05.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2015555381217068 5.1253e-08  
q 1.810297633584067 1.1268e-07 au
tp 2456659.572815566364
(2014-Jan-02.07281557)
4.695e-05 TDB
node 147.4630517969452 0.00010311 deg
peri 194.687159752517 0.00010388 deg
i 2.745970885989911 4.4555e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      702  
   data-arc span      9315 days (25.50 yr)  
   first obs. used      1993-10-09  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52899  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:45:04  

Additional Information
 Jupiter MOID = 2.6741 au 
 T_jup = 3.586 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.626820288658448E-15 -5.764170163398632E-15 1.417733610444675E-12 4.058319924575964E-16 3.508581483721854E-13 -2.055409828296868E-15
q -5.764170163398632E-15 1.269606139625113E-14 -3.039289866356274E-12 -6.363373819588687E-16 -7.510672302300211E-13 4.468753787140632E-15
tp 1.417733610444675E-12 -3.039289866356274E-12 2.204277323934297E-9 -8.588408555086846E-12 6.158698778547816E-10 -2.410265436580752E-12
node 4.058319924575964E-16 -6.363373819588687E-16 -8.588408555086846E-12 1.063139609925826E-8 -1.062172915705531E-8 1.6577709575284E-10
peri 3.508581483721854E-13 -7.510672302300211E-13 6.158698778547816E-10 -1.062172915705531E-8 1.079026288373657E-8 -1.662465260285455E-10
i -2.055409828296868E-15 4.468753787140632E-15 -2.410265436580752E-12 1.6577709575284E-10 -1.662465260285455E-10 1.985153151570486E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO351305  
diameter diameter 1.357 km 0.321 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.241   0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65745 (1993 TT31)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 TT31 = 2000 WV47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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