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91712 (1999 TW150)
Classification: Main-belt Asteroid          SPK-ID: 2091712
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05237213572483385 5.356e-08  
a 3.033260642461392 2.1032e-08 au
q 2.874402304405607 1.6331e-07 au
i 11.892700163157 6.107e-06 deg
node 183.9285592183357 2.081e-05 deg
peri 16.66140658296676 4.5713e-05 deg
M 145.1358617925266 4.1479e-05 deg
tp 2458222.579426759278
(2018-Apr-14.07942676)
0.00022065 TDB
period 1929.581034679056
5.28
2.0069e-05
5.495e-08
d
yr
n .1865689978964155 1.9404e-09 deg/d
Q 3.192118980517177 2.2134e-08 au
  Orbit Determination Parameters
   # obs. used (total)      932  
   data-arc span      8235 days (22.55 yr)  
   first obs. used      1997-05-01  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54912  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:17:31  

Additional Information
 Earth MOID = 1.87492 au 
 Jupiter MOID = 1.76455 au 
 T_jup = 3.208 
[ 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 14.3   n/a MPO348076  

91712 (1999 TW150)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TW150 = 1997 JN8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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