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70654 (1999 TN255)
Classification: Main-belt Asteroid          SPK-ID: 2070654
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1088781143580186 4.5979e-08  
a 2.541237312678966 1.1279e-08 au
q 2.264552185938241 1.1724e-07 au
i 2.748013571973156 4.5182e-06 deg
node 188.0370335728992 6.6904e-05 deg
peri 7.395560140768899 6.8765e-05 deg
M 194.3306700239499 1.6425e-05 deg
tp 2459681.435344264219
(2022-Apr-11.93534426)
6.9765e-05 TDB
period 1479.674747103504
4.05
9.8512e-06
2.697e-08
d
yr
n .2432967114595338 1.6198e-09 deg/d
Q 2.81792243941969 1.2507e-08 au
  Orbit Determination Parameters
   # obs. used (total)      746  
   data-arc span      7828 days (21.43 yr)  
   first obs. used      1998-05-24  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56685  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:21:30  

Additional Information
 Earth MOID = 1.26326 au 
 Jupiter MOID = 2.1379 au 
 T_jup = 3.435 
[ 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 15.6   n/a MPO436276  

70654 (1999 TN255)          Discovered 1999-Oct-09 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TN255 = 2002 JN66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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