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JPL Small-Body Database Browser
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59565 (1999 JT46)
Classification: Main-belt Asteroid          SPK-ID: 2059565
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08797768916925898 5.6497e-08  
a 2.598659950579041 1.1674e-08 au
q 2.370035853190396 1.5026e-07 au
i 5.215213488419643 3.9856e-06 deg
node 74.50552293595949 5.3596e-05 deg
peri 81.24945145286515 5.8676e-05 deg
M 75.94321469651022 2.2993e-05 deg
tp 2458677.718167328830
(2019-Jul-13.21816733)
9.7444e-05 TDB
period 1530.109835697552
4.19
1.031e-05
2.823e-08
d
yr
n .2352772275565969 1.5854e-09 deg/d
Q 2.827284047967686 1.2701e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1551  
   data-arc span      7574 days (20.74 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52272  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:49:43  

Additional Information
 Earth MOID = 1.3866 au 
 Jupiter MOID = 2.16783 au 
 T_jup = 3.404 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456397.5 (2013-Apr-15.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08892743807497909 5.6395e-08  
q 2.367091806655136 1.504e-07 au
tp 2457149.376471549525
(2015-May-06.87647155)
9.5694e-05 TDB
node 74.56072311550031 5.3556e-05 deg
peri 81.66248487672756 5.8518e-05 deg
i 5.217669251665613 3.9876e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1551  
   data-arc span      7574 days (20.74 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52272  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:49:43  

Additional Information
 Jupiter MOID = 2.16783 au 
 T_jup = 3.404 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.180430122923525E-15 -8.461916233594323E-15 2.423757844644933E-13 3.772970870237485E-14 1.789685897713625E-13 -1.598889394966732E-15
q -8.461916233594323E-15 2.262007149830532E-14 -6.252590986794773E-13 -1.011791133097249E-13 -4.846516979711612E-13 4.492302161991369E-15
tp 2.423757844644933E-13 -6.252590986794773E-13 9.15725358415673E-9 -1.006850732190522E-11 2.274187432370125E-9 2.755263634447694E-12
node 3.772970870237485E-14 -1.011791133097249E-13 -1.006850732190522E-11 2.86825067047803E-9 -2.856637744474655E-9 2.155146295996951E-11
peri 1.789685897713625E-13 -4.846516979711612E-13 2.274187432370125E-9 -2.856637744474655E-9 3.424384238915428E-9 -2.08861394003232E-11
i -1.598889394966732E-15 4.492302161991369E-15 2.755263634447694E-12 2.155146295996951E-11 -2.08861394003232E-11 1.590088836428178E-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 14.2   n/a MPO381683  
diameter diameter 3.325 km 0.662 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.401   0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59565 (1999 JT46)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JT46 = 2000 QO31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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