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186991 (2004 TS8)
Classification: Main-belt Asteroid          SPK-ID: 2186991
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2287791010680388 4.1714e-08  
a 3.105267847930928 3.0546e-08 au
q 2.394847461105806 1.3629e-07 au
i 28.48803323675559 5.259e-06 deg
node 130.5690330892533 1.0792e-05 deg
peri 225.3663006203089 1.5687e-05 deg
M 56.73030523562093 1.2062e-05 deg
tp 2459081.536921751865
(2020-Aug-20.03692175)
6.6021e-05 TDB
period 1998.697304701492
5.47
2.9491e-05
8.074e-08
d
yr
n .1801173189923155 2.6577e-09 deg/d
Q 3.815688234756049 3.7534e-08 au
  Orbit Determination Parameters
   # obs. used (total)      756  
   data-arc span      7701 days (21.08 yr)  
   first obs. used      2000-01-08  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49566  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:46:18  

Additional Information
 Earth MOID = 1.44736 au 
 Jupiter MOID = 1.75854 au 
 T_jup = 2.998 
[ 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 14.44   n/a E2021B55  

186991 (2004 TS8)          Discovered 2004-Oct-06 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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