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362307 (2009 TU21)
Classification: Main-belt Asteroid          SPK-ID: 2362307
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .156419567938516 5.6619e-08  
a 3.086772570830541 3.2005e-08 au
q 2.603940938976765 1.6432e-07 au
i 2.550399436163734 6.9188e-06 deg
node 55.21572124738051 0.00011093 deg
peri 249.7779851507719 0.00011355 deg
M 118.917127055536 2.6059e-05 deg
tp 2458742.169320900878
(2019-Sep-15.66932090)
0.00013823 TDB
period 1980.86726704787
5.42
3.0808e-05
8.435e-08
d
yr
n .1817385778384414 2.8265e-09 deg/d
Q 3.569604202684316 3.7011e-08 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      8125 days (22.25 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-12-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60075  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:39:02  

Additional Information
 Earth MOID = 1.58973 au 
 Jupiter MOID = 1.67639 au 
 T_jup = 3.206 
[ 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 16.10   n/a MPCxxxxx  

362307 (2009 TU21)          Discovered 2009-Oct-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-04-29

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