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91335 (1999 JT9)
Classification: Main-belt Asteroid          SPK-ID: 2091335
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1547901234246819 2.6839e-08  
a 2.391460165698736 7.8067e-09 au
q 2.021285751485018 6.2897e-08 au
i 5.875382731005528 2.9073e-06 deg
node 82.14558025305924 3.3651e-05 deg
peri 15.15812967779794 3.5551e-05 deg
M 88.53688444112929 1.1868e-05 deg
tp 2459064.288326945327
(2020-Aug-02.78832695)
4.3876e-05 TDB
period 1350.806537350039
3.70
6.6144e-06
1.811e-08
d
yr
n .2665074457710536 1.305e-09 deg/d
Q 2.761634579912453 9.0151e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1559  
   data-arc span      8113 days (22.21 yr)  
   first obs. used      1999-03-22  
   last obs. used      2021-06-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45911  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:40:21  

Additional Information
 Earth MOID = 1.03889 au 
 Jupiter MOID = 2.40346 au 
 T_jup = 3.508 
[ 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 15.12   n/a MPO637241  

91335 (1999 JT9)          Discovered 1999-May-08 by CSS at Catalina
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 JT9 = 2001 TK106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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