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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08074312905126435 6.428e-08  
a 3.044770403584871 2.297e-08 au
q 2.798926113956747 1.995e-07 au
i 7.739848841040303 4.7314e-06 deg
node 248.3330733906464 4.2054e-05 deg
peri 94.1793240422269 5.4886e-05 deg
M 68.54346283419738 3.2003e-05 deg
tp 2459027.017569680329
(2020-Jun-26.51756968)
0.00017427 TDB
period 1940.574190668391
5.31
2.196e-05
6.012e-08
d
yr
n .1855121034439839 2.0993e-09 deg/d
Q 3.290614693212995 2.4825e-08 au
  Orbit Determination Parameters
   # obs. used (total)      814  
   data-arc span      9122 days (24.97 yr)  
   first obs. used      1996-01-15  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49739  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:41:21  

Additional Information
 Earth MOID = 1.80423 au 
 Jupiter MOID = 2.0386 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 14.61   n/a E2021B10  

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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