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86267 (1999 TM256)
Classification: Main-belt Asteroid          SPK-ID: 2086267
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1818550471911577 4.9664e-08  
a 3.10367212211921 2.4122e-08 au
q 2.539253681885341 1.6102e-07 au
i .2888146619221743 5.5746e-06 deg
node 167.472540576555 0.00085535 deg
peri 163.599048131743 0.00085543 deg
M 304.3541311624523 1.2566e-05 deg
tp 2459309.204248758374
(2021-Apr-04.70424876)
7.1482e-05 TDB
period 1997.15687569651
5.47
2.3283e-05
6.375e-08
d
yr
n .1802562454561561 2.1014e-09 deg/d
Q 3.66809056235308 2.8508e-08 au
  Orbit Determination Parameters
   # obs. used (total)      573  
   data-arc span      9417 days (25.78 yr)  
   first obs. used      1993-07-13  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52897  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:35:30  

Additional Information
 Earth MOID = 1.52857 au 
 Jupiter MOID = 1.69771 au 
 T_jup = 3.195 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456590.5 (2013-Oct-25.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1813244060250121 4.9609e-08  
q 2.539055524385545 1.6038e-07 au
tp 2457317.313567903716
(2015-Oct-21.81356790)
6.3405e-05 TDB
node 167.4359002744986 0.00085564 deg
peri 164.3987104487987 0.00085572 deg
i .2886848960907351 5.5759e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      573  
   data-arc span      9417 days (25.78 yr)  
   first obs. used      1993-07-13  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52897  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:35:30  

Additional Information
 Jupiter MOID = 1.69771 au 
 T_jup = 3.195 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.461067483422277E-15 -7.897925667302581E-15 -2.013918541815899E-13 -1.019643312945625E-14 8.097836827882783E-16 -2.749549590716257E-17
q -7.897925667302581E-15 2.572050671040677E-14 8.653306524191844E-13 3.68816325450125E-14 4.119334142605462E-15 2.369051928675591E-17
tp -2.013918541815899E-13 8.653306524191844E-13 4.020257079599012E-9 1.006204981919687E-11 7.647891271337977E-10 -7.781855143639459E-14
node -1.019643312945625E-14 3.68816325450125E-14 1.006204981919687E-11 7.321121075898884E-7 -7.321006731748815E-7 -4.936009004614937E-10
peri 8.097836827882783E-16 4.119334142605462E-15 7.647891271337977E-10 -7.321006731748815E-7 7.322536389783617E-7 4.93579636633999E-10
i -2.749549590716257E-17 2.369051928675591E-17 -7.781855143639459E-14 -4.936009004614937E-10 4.93579636633999E-10 3.109051826756886E-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 15.1   n/a MPO436379  
diameter diameter 5.222 km 0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

86267 (1999 TM256)          Discovered 1999-Oct-09 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 TM256 = 1993 OK4 = 1999 RS256 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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