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91736 (1999 TN172)
Classification: Main-belt Asteroid          SPK-ID: 2091736
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08098300400636656 6.544e-08  
a 3.045076409109667 2.9891e-08 au
q 2.798476974071046 2.0107e-07 au
i 7.740121203241705 6.2256e-06 deg
node 248.3354236304163 4.3038e-05 deg
peri 93.99575592975989 5.7593e-05 deg
M 355.2303178345021 3.8329e-05 deg
tp 2459026.214770836624
(2020-Jun-25.71477084)
0.00020667 TDB
period 1940.866745408902
5.31
2.8578e-05
7.824e-08
d
yr
n .185484140449918 2.7311e-09 deg/d
Q 3.291675844148287 3.2312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      8964 days (24.54 yr)  
   first obs. used      1996-01-15  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53046  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:19:20  

Additional Information
 Earth MOID = 1.80453 au 
 Jupiter MOID = 2.03946 au 
 T_jup = 3.220 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO432455  

91736 (1999 TN172)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 TN172 = 1996 AU12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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