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JPL Small-Body Database Browser
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393691 (2004 TU2)
Classification: Main-belt Asteroid          SPK-ID: 2393691
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1962888870984578 7.1977e-08  
a 2.368790078588995 2.2973e-08 au
q 1.903822910292893 1.7737e-07 au
i 1.724045911565223 8.7076e-06 deg
node 254.8973292797056 0.00031225 deg
peri 31.78660750448655 0.00031323 deg
M 176.6538623508569 2.5346e-05 deg
tp 2458347.055169632131
(2018-Aug-16.55516963)
9.1105e-05 TDB
period 1331.644470162879
3.65
1.9372e-05
5.304e-08
d
yr
n .2703424285282143 3.9328e-09 deg/d
Q 2.833757246885097 2.7482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      6084 days (16.66 yr)  
   first obs. used      2003-04-07  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .74456  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 21:28:41  

Additional Information
 Earth MOID = .887686 au 
 Jupiter MOID = 2.32985 au 
 T_jup = 3.519 
[ 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 17.7   n/a MPO455792  

393691 (2004 TU2)          Discovered 2004-Sep-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15

Alternate Designations
 2004 TU2 = 2011 QK57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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