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JPL Small-Body Database Browser
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74809 (1999 TE2)
Classification: Main-belt Asteroid          SPK-ID: 2074809
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1595797731340318 5.5607e-08  
a 2.306357772270517 1.0272e-08 au
q 1.938309722205677 1.2919e-07 au
i 4.81513452428667 5.7688e-06 deg
node 42.7616849505856 5.1005e-05 deg
peri 291.7223984029149 5.5338e-05 deg
M 248.1860101691807 2.568e-05 deg
tp 2458997.858115602887
(2020-May-28.35811560)
9.26e-05 TDB
period 1279.347260870311
3.50
8.5467e-06
2.34e-08
d
yr
n .2813934973019757 1.8799e-09 deg/d
Q 2.674405822335357 1.1911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      805  
   data-arc span      9694 days (26.54 yr)  
   first obs. used      1992-10-25  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56155  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:42:05  

Additional Information
 Earth MOID = .934014 au 
 Jupiter MOID = 2.68938 au 
 T_jup = 3.566 
[ 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 15.7   n/a MPO337822  

74809 (1999 TE2)          Discovered 1999-Oct-02 by Juels, C. W. at Fountain Hills
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TE2 = 1998 HZ56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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