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91743 (1999 TA180)
Classification: Main-belt Asteroid          SPK-ID: 2091743
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1176970390270778 5.2352e-08  
a 3.003686441741507 2.5175e-08 au
q 2.650161441382752 1.6089e-07 au
i 1.77672935873849 4.1871e-06 deg
node 56.40452099954138 0.00019797 deg
peri 245.0957822348896 0.00019909 deg
M 64.64873568125427 2.0507e-05 deg
tp 2458659.041558855245
(2019-Jun-24.54155886)
0.0001081 TDB
period 1901.429896760618
5.21
2.3905e-05
6.545e-08
d
yr
n .189331197859735 2.3803e-09 deg/d
Q 3.357211442100261 2.8138e-08 au
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      10052 days (27.52 yr)  
   first obs. used      1992-04-25  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60375  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:49:38  

Additional Information
 Earth MOID = 1.63531 au 
 Jupiter MOID = 1.84706 au 
 T_jup = 3.241 
[ 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 MPO417452  

91743 (1999 TA180)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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