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JPL Small-Body Database Browser
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91755 (1999 TQ189)
Classification: Main-belt Asteroid          SPK-ID: 2091755
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 .07766007223131889 4.1277e-08  
a 2.979737872181303 3.185e-08 au
q 2.748331213797306 1.3721e-07 au
i 9.560449157617734 1.1879e-05 deg
node 333.8074489767255 3.2521e-05 deg
peri 106.930562645844 0.00010675 deg
M 318.5498896059578 0.00010535 deg
tp 2459216.816032524141
(2021-Jan-02.31603252)
0.00055196 TDB
period 1878.734965200093
5.14
3.0123e-05
8.247e-08
d
yr
n .1916182999030193 3.0723e-09 deg/d
Q 3.2111445305653 3.4324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      8675 days (23.75 yr)  
   first obs. used      1996-02-14  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63629  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:17:31  

Additional Information
 Earth MOID = 1.78344 au 
 Jupiter MOID = 1.96291 au 
 T_jup = 3.234 
[ 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 15.2   n/a MPO493513  

91755 (1999 TQ189)          Discovered 1999-Oct-12 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TQ189 = 2001 CN11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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