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173276 (1999 TC40)
Classification: Main-belt Asteroid          SPK-ID: 2173276
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2028234436590921 5.2534e-08  
a 2.356612819871868 1.1154e-08 au
q 1.878636492374292 1.2635e-07 au
i 3.322081505060437 4.8657e-06 deg
node 120.3023448762626 9.5468e-05 deg
peri 248.4919474032871 9.608e-05 deg
M 255.9174554868224 1.0757e-05 deg
tp 2459382.537663985097
(2021-Jun-17.03766399)
4.0614e-05 TDB
period 1321.389284609794
3.62
9.3812e-06
2.568e-08
d
yr
n .2724405322435378 1.9342e-09 deg/d
Q 2.834589147369444 1.3416e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      8485 days (23.23 yr)  
   first obs. used      1997-02-02  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60333  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:25:51  

Additional Information
 Earth MOID = .880801 au 
 Jupiter MOID = 2.62988 au 
 T_jup = 3.524 
[ 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 MPO266538  

173276 (1999 TC40)          Discovered 1999-Oct-05 by CSS at Catalina
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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