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JPL Small-Body Database Browser
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351284 (2004 TH4)
Classification: Main-belt Asteroid          SPK-ID: 2351284
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1946899340653724 5.3178e-08  
a 2.364002835260284 2.4368e-08 au
q 1.903755279133106 1.237e-07 au
i 1.435720869124183 9.1369e-06 deg
node 19.46500065476695 0.00022012 deg
peri 298.365407904938 0.00022139 deg
M 49.81799987003645 2.7151e-05 deg
tp 2458416.780944985313
(2018-Oct-25.28094499)
9.8516e-05 TDB
period 1327.609698860413
3.63
2.0528e-05
5.62e-08
d
yr
n .2711640328546974 4.1927e-09 deg/d
Q 2.824250391387462 2.9112e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      4653 days (12.74 yr)  
   first obs. used      2003-04-09  
   last obs. used      2016-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60664  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 07:38:12  

Additional Information
 Earth MOID = .890143 au 
 Jupiter MOID = 2.47212 au 
 T_jup = 3.523 
[ 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 MPO297686  

351284 (2004 TH4)          Discovered 2004-Oct-04 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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