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JPL Small-Body Database Browser
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56317 (1999 TJ232)
Classification: Main-belt Asteroid          SPK-ID: 2056317
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1974944713888402 4.6174e-08  
a 3.14920224561069 2.8394e-08 au
q 2.527252212817258 1.4602e-07 au
i 10.68528083556946 5.2735e-06 deg
node 95.79821320833528 3.0064e-05 deg
peri 186.6385836311844 3.3264e-05 deg
M 244.4330919568878 1.7589e-05 deg
tp 2459255.785033316460
(2021-Feb-10.28503332)
0.00010492 TDB
period 2041.264372201793
5.59
2.7607e-05
7.558e-08
d
yr
n .1763612812247779 2.3852e-09 deg/d
Q 3.771152278404122 3.4002e-08 au
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      7169 days (19.63 yr)  
   first obs. used      1999-10-05  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57235  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:24:27  

Additional Information
 Earth MOID = 1.51055 au 
 Jupiter MOID = 1.3896 au 
 T_jup = 3.151 
[ 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 13.6   n/a MPO253717  
diameter diameter 6.151 km 0.232 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.204   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56317 (1999 TJ232)          Discovered 1999-Oct-05 by LONEOS at Anderson Mesa
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TJ232 = 2002 AO16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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