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JPL Small-Body Database Browser
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91761 (1999 TZ191)
Classification: Main-belt Asteroid          SPK-ID: 2091761
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05483872993059958 6.691e-08  
a 3.088383999626784 3.9855e-08 au
q 2.919020943549266 2.0765e-07 au
i 10.44492848386524 8.5844e-06 deg
node 325.5977373407659 3.4865e-05 deg
peri 76.17470230420075 9.4892e-05 deg
M 281.9382754253239 8.6428e-05 deg
tp 2459430.363933546589
(2021-Aug-03.86393355)
0.00047744 TDB
period 1982.418617061586
5.43
3.8374e-05
1.051e-07
d
yr
n .181596357551164 3.5152e-09 deg/d
Q 3.257747055704303 4.2041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      453  
   data-arc span      8898 days (24.36 yr)  
   first obs. used      1993-12-10  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5862  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 05:02:44  

Additional Information
 Earth MOID = 1.94791 au 
 Jupiter MOID = 1.9892 au 
 T_jup = 3.198 
[ 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 14.6   n/a MPO264003  

91761 (1999 TZ191)          Discovered 1999-Oct-12 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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