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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1977480245447241 6.9e-08  
a 2.617905872353646 1.7058e-08 au
q 2.10022015765168 1.7466e-07 au
i 6.77564637764412 5.9369e-06 deg
node 333.0619935047431 6.4347e-05 deg
peri 55.80231360632428 6.6622e-05 deg
M 316.1301462160757 1.8914e-05 deg
tp 2459189.035507347914
(2020-Dec-05.53550735)		 8.2413e-05 TDB
period 1547.139477134991
4.24		 1.5121e-05
4.14e-08		 d
yr
n .2326874889564914 2.2742e-09 deg/d
Q 3.135591587055612 2.0431e-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 = 1.11338 au 
 Jupiter MOID = 2.36723 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 16.8   n/a MPO476588  

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

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