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129928 (1999 TN131)
Classification: Main-belt Asteroid          SPK-ID: 2129928
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1405837093522351 3.8751e-08  
a 2.771821190645979 1.9559e-08 au
q 2.382148286003838 1.0705e-07 au
i 4.380707275463665 5.0591e-06 deg
node 211.8420327247171 6.1364e-05 deg
peri 246.7246329395476 6.446e-05 deg
M 94.37400509474627 1.9663e-05 deg
tp 2458558.628360458525
(2019-Mar-16.12836046)
9.0719e-05 TDB
period 1685.567864532503
4.61
1.7841e-05
4.885e-08
d
yr
n .2135778734129147 2.2606e-09 deg/d
Q 3.161494095288119 2.2308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      492  
   data-arc span      7508 days (20.56 yr)  
   first obs. used      1999-10-06  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55171  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:48:21  

Additional Information
 Earth MOID = 1.40309 au 
 Jupiter MOID = 2.02021 au 
 T_jup = 3.318 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO426811  
diameter diameter 2.348 km 0.506 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.222   0.238 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129928 (1999 TN131)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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