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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1256597704956329 5.1305e-08  
a 2.389357662268899 2.4506e-08 au
q 2.089111526796207 1.2182e-07 au
i 4.657086806994136 1.3521e-05 deg
node 353.6674983219049 7.2448e-05 deg
peri 90.97163432736345 9.7285e-05 deg
M 280.851410513119 6.3412e-05 deg
tp 2458897.092969237022
(2020-Feb-17.59296924)
0.0002397 TDB
period 1349.025543190835
3.69
2.0754e-05
5.682e-08
d
yr
n .266859291002375 4.1054e-09 deg/d
Q 2.689603797741591 2.7585e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      5527 days (15.13 yr)  
   first obs. used      2002-02-10  
   last obs. used      2017-03-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63973  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 07:38:09  

Additional Information
 Earth MOID = 1.11133 au 
 Jupiter MOID = 2.50456 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 18.1   n/a MPO348978  

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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