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434161 (2002 TU9)
Classification: Main-belt Asteroid          SPK-ID: 2434161
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1957320028512455 7.3914e-08  
a 2.858541909643666 3.4496e-08 au
q 2.299033776434887 2.1903e-07 au
i 3.32464544485955 7.6467e-06 deg
node 107.3318918507242 0.00015207 deg
peri 265.7172600698981 0.00015444 deg
M 234.4988513640308 3.0824e-05 deg
tp 2459615.904223657690
(2022-Feb-05.40422366)
0.00015994 TDB
period 1765.286795576567
4.83
3.1955e-05
8.749e-08
d
yr
n .2039328685299654 3.6915e-09 deg/d
Q 3.418050042852444 4.1248e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      6418 days (17.57 yr)  
   first obs. used      2002-10-01  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55673  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:24:29  

Additional Information
 Earth MOID = 1.30247 au 
 Jupiter MOID = 2.05062 au 
 T_jup = 3.272 
[ 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 16.5   n/a MPO386652  

434161 (2002 TU9)          Discovered 2002-Oct-01 by LONEOS at Anderson Mesa
Reference: Last Updated: 2015-06-04

Alternate Designations
 2002 TU9 = 2007 TR254 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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