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JPL Small-Body Database Browser
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66797 (1999 TJ256)
Classification: Main-belt Asteroid          SPK-ID: 2066797
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .148625326979113 3.5924e-08  
a 2.594711638874696 1.3063e-08 au
q 2.209071773130435 9.687e-08 au
i 4.125955913160031 3.6405e-06 deg
node 236.6025001801522 6.5574e-05 deg
peri 317.6983157080604 6.7492e-05 deg
M 144.1629834932082 1.8335e-05 deg
tp 2458389.159261095296
(2018-Sep-27.65926110)
7.5269e-05 TDB
period 1526.623968739257
4.18
1.1528e-05
3.156e-08
d
yr
n .2358144555383218 1.7808e-09 deg/d
Q 2.980351504618957 1.5004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1103  
   data-arc span      7262 days (19.88 yr)  
   first obs. used      1999-09-07  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53684  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 15:03:37  

Additional Information
 Earth MOID = 1.20998 au 
 Jupiter MOID = 1.99292 au 
 T_jup = 3.398 
[ 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 14.5   n/a MPO309655  
diameter diameter 3.148 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.310   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66797 (1999 TJ256)          Discovered 1999-Oct-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TJ256 = 2000 WM58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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