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91636 (1999 TY79)
Classification: Main-belt Asteroid          SPK-ID: 2091636
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08242578082854504 3.9873e-08  
a 3.033116324067322 2.0006e-08 au
q 2.783109342712267 1.2616e-07 au
i 9.338284090848022 5.5336e-06 deg
node 184.2008274081415 2.0637e-05 deg
peri 231.3217780608924 3.8189e-05 deg
M 5.322268290574232 3.0248e-05 deg
tp 2459367.974958242126
(2021-Jun-02.47495824)
0.00016217 TDB
period 1929.443326076039
5.28
1.909e-05
5.227e-08
d
yr
n .1865823137350926 1.846e-09 deg/d
Q 3.283123305422377 2.1655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      775  
   data-arc span      10893 days (29.82 yr)  
   first obs. used      1991-03-17  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51571  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:46:55  

Additional Information
 Earth MOID = 1.8042 au 
 Jupiter MOID = 2.06298 au 
 T_jup = 3.217 
[ 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 15.04   n/a E2021B10  

91636 (1999 TY79)          Discovered 1999-Oct-11 by Spacewatch at Kitt Peak
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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