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390678 (2002 TO255)
Classification: Main-belt Asteroid          SPK-ID: 2390678
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .270622939603933 6.9271e-08  
a 2.682483210471582 2.2821e-08 au
q 1.956541718615566 1.9002e-07 au
i 12.7267843847477 7.3286e-06 deg
node 210.9621775029408 2.4135e-05 deg
peri 136.7338535677586 2.667e-05 deg
M 30.39876122368051 1.0225e-05 deg
tp 2458864.994372768700
(2020-Jan-16.49437277)		 4.4782e-05 TDB
period 1604.737293217956
4.39		 2.0478e-05
5.607e-08		 d
yr
n .2243357847552089 2.8628e-09 deg/d
Q 3.408424702327597 2.8997e-08 au
   Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      6130 days (16.78 yr)  
   first obs. used      2002-10-09  
   last obs. used      2019-07-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55388  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:07:16  

Additional Information
 Earth MOID = .972454 au 
 Jupiter MOID = 2.15318 au 
 T_jup = 3.288 
[ 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 16.7   n/a MPO476839  

390678 (2002 TO255)          Discovered 2002-Oct-09 by LINEAR at Socorro
Reference: Last Updated: 2014-04-17

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Alternate Designations
 2002 TO255 = 2010 LV34 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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