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351291 (2004 TW81)
Classification: Main-belt Asteroid          SPK-ID: 2351291
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1258601537337608 4.7225e-08  
a 2.389203295421406 1.4508e-08 au
q 2.08849780135846 1.1338e-07 au
i 4.657310928848938 6.9752e-06 deg
node 353.6585998621686 6.5663e-05 deg
peri 90.74138492688802 7.2876e-05 deg
M 133.4617597194251 2.9875e-05 deg
tp 2458896.428123990513
(2020-Feb-16.92812399)
0.00011125 TDB
period 1348.894812580632
3.69
1.2287e-05
3.364e-08
d
yr
n .2668851541591057 2.431e-09 deg/d
Q 2.689908789484352 1.6334e-08 au
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      7030 days (19.25 yr)  
   first obs. used      2002-02-10  
   last obs. used      2021-05-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59873  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 06:41:08  

Additional Information
 Earth MOID = 1.11071 au 
 Jupiter MOID = 2.50406 au 
 T_jup = 3.518 
[ 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 17.9   n/a MPO503401  

351291 (2004 TW81)          Discovered 2004-Oct-05 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

Alternate Designations
 2004 TW81 = 2002 CB309 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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