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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .195542256000912 7.2375e-08  
a 2.861734256137834 3.0061e-08 au
q 2.302144283617551 2.1754e-07 au
i 3.323900924566757 7.1658e-06 deg
node 107.331472165824 0.000138 deg
peri 265.3659427530093 0.00013979 deg
M 315.5340590703747 2.599e-05 deg
tp 2459614.907408681290
(2022-Feb-04.40740868)
0.00013019 TDB
period 1768.244761753808
4.84
2.7861e-05
7.628e-08
d
yr
n .2035917242830903 3.2079e-09 deg/d
Q 3.421324228658118 3.5939e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      6836 days (18.72 yr)  
   first obs. used      2002-10-01  
   last obs. used      2021-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57639  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 16:45:35  

Additional Information
 Earth MOID = 1.30467 au 
 Jupiter MOID = 2.04925 au 
 T_jup = 3.270 
[ 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 16.47   n/a E2021B25  

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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