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91806 (1999 TJ244)
Classification: Main-belt Asteroid          SPK-ID: 2091806
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1437721944275891 7.0494e-08  
a 3.111966119380742 2.3212e-08 au
q 2.664551921413064 2.1579e-07 au
i 18.16754797658357 7.5731e-06 deg
node 187.0937233874676 1.5589e-05 deg
peri 352.036577811716 2.4147e-05 deg
M 104.2449938314877 1.9446e-05 deg
tp 2458419.864715008081
(2018-Oct-28.36471501)
0.00010783 TDB
period 2005.167777504849
5.49
2.2435e-05
6.142e-08
d
yr
n .1795360986939306 2.0088e-09 deg/d
Q 3.55938031734842 2.655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      7210 days (19.74 yr)  
   first obs. used      1999-10-07  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5214  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:37:27  

Additional Information
 Earth MOID = 1.66848 au 
 Jupiter MOID = 1.40526 au 
 T_jup = 3.126 
[ 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 14.6   n/a MPO474797  

91806 (1999 TJ244)          Discovered 1999-Oct-07 by CSS at Catalina
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TJ244 = 2002 EJ14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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