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JPL Small-Body Database Browser
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344108 (1999 TB255)
Classification: Main-belt Asteroid          SPK-ID: 2344108
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1988103333406626 6.9283e-08  
a 2.619141400427155 1.6426e-08 au
q 2.098429025541902 1.7611e-07 au
i 6.769240976633596 5.9331e-06 deg
node 333.1866364632782 6.446e-05 deg
peri 55.50448980646178 6.6678e-05 deg
M 223.4018465933788 1.8245e-05 deg
tp 2459187.961179176928
(2020-Dec-04.46117918)
8.1935e-05 TDB
period 1548.234871624868
4.24
1.4565e-05
3.988e-08
d
yr
n .2325228598049734 2.1874e-09 deg/d
Q 3.139853775312407 1.9692e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      7201 days (19.72 yr)  
   first obs. used      1999-10-13  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52562  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:29:14  

Additional Information
 Earth MOID = 1.11076 au 
 Jupiter MOID = 2.36051 au 
 T_jup = 3.368 
[ 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 16.9   n/a MPO294659  

344108 (1999 TB255)          Discovered 1999-Oct-13 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 1999 TB255 = 2005 ED4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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