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70608 (1999 TC197)
Classification: Main-belt Asteroid          SPK-ID: 2070608
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 .02055704483748036 5.4684e-08  
a 2.689284288383047 1.8696e-08 au
q 2.634000550686026 1.5829e-07 au
i 6.768308363891001 4.7492e-06 deg
node 32.90109917367126 3.3152e-05 deg
peri 318.1283957223243 0.00011131 deg
M 296.0257021945799 0.00010441 deg
tp 2459286.757270341776
(2021-Mar-13.25727034)
0.00046654 TDB
period 1610.844055474864
4.41
1.6798e-05
4.599e-08
d
yr
n .2234853204917313 2.3305e-09 deg/d
Q 2.744568026080069 1.908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      678  
   data-arc span      8543 days (23.39 yr)  
   first obs. used      1997-04-03  
   last obs. used      2020-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5968  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:59:57  

Additional Information
 Earth MOID = 1.63349 au 
 Jupiter MOID = 2.31589 au 
 T_jup = 3.362 
[ 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 15.4   n/a MPO337794  

70608 (1999 TC197)          Discovered 1999-Oct-12 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TC197 = 1997 GS12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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