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JPL Small-Body Database Browser
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382381 (2013 TU121)
Classification: Main-belt Asteroid          SPK-ID: 2382381
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2019263235796757 7.977e-08  
a 2.220604370063794 2.0491e-08 au
q 1.77220589349185 1.8834e-07 au
i .6523287611638119 9.0828e-06 deg
node 33.0049641477925 0.00060647 deg
peri 288.3302252351012 0.00060785 deg
M 297.5805088829913 2.9483e-05 deg
tp 2458810.067018637940
(2019-Nov-22.56701864)
9.8291e-05 TDB
period 1208.662957027865
3.31
1.673e-05
4.58e-08
d
yr
n .2978497834377665 4.1228e-09 deg/d
Q 2.669002846635737 2.4629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      5783 days (15.83 yr)  
   first obs. used      2003-09-28  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6078  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:59:31  

Additional Information
 Earth MOID = .758784 au 
 Jupiter MOID = 2.64032 au 
 T_jup = 3.623 
[ 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 18.5   n/a MPO391925  

382381 (2013 TU121)          Discovered 2003-Sep-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19

Alternate Designations
 2013 TU121 = 2003 UN261 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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