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JPL Small-Body Database Browser
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146565 (2001 TU21)
Classification: Main-belt Asteroid          SPK-ID: 2146565
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1039244294128815 4.9779e-08  
a 2.645738021242446 2.2855e-08 au
q 2.370781207008859 1.3205e-07 au
i 15.02274633694567 6.2609e-06 deg
node 58.90711741728993 2.2218e-05 deg
peri 18.22935189348106 5.5472e-05 deg
M 339.6354421483492 4.6838e-05 deg
tp 2458689.418303718017
(2019-Jul-24.91830372)
0.00020449 TDB
period 1571.877453548125
4.30
2.0368e-05
5.576e-08
d
yr
n .2290254874433048 2.9677e-09 deg/d
Q 2.920694835476034 2.5231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      480  
   data-arc span      7993 days (21.88 yr)  
   first obs. used      1997-12-23  
   last obs. used      2019-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60294  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 12:59:56  

Additional Information
 Earth MOID = 1.38882 au 
 Jupiter MOID = 2.40109 au 
 T_jup = 3.337 
[ 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 15.5   n/a MPO453931  

146565 (2001 TU21)          Discovered 2001-Oct-11 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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