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213089 (1999 TS251)
Classification: Main-belt Asteroid          SPK-ID: 2213089
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2026069399985031 4.5683e-08  
a 2.451762127750276 1.3191e-08 au
q 1.955018105442573 1.1789e-07 au
i 1.258341438501161 4.1618e-06 deg
node 57.3104801468039 0.00035821 deg
peri 352.8738340876214 0.00035904 deg
M 168.7089998758877 2.664e-05 deg
tp 2458543.369423774575
(2019-Feb-28.86942377)
9.9961e-05 TDB
period 1402.219250989488
3.84
1.1316e-05
3.098e-08
d
yr
n .256735884738398 2.0719e-09 deg/d
Q 2.948506150057979 1.5863e-08 au
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      7469 days (20.45 yr)  
   first obs. used      1999-10-04  
   last obs. used      2020-03-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60975  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:41:17  

Additional Information
 Earth MOID = .964699 au 
 Jupiter MOID = 2.4301 au 
 T_jup = 3.466 
[ 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 16.93   n/a E2021B55  

213089 (1999 TS251)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1999 TS251 = 2003 WO134 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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