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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 ]

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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 .1948335225512287 5.3205e-08  
a 2.364337700089122 2.4494e-08 au
q 1.903685457480088 1.2379e-07 au
i 1.43554567396042 9.1358e-06 deg
node 19.4506584547399 0.00022016 deg
peri 298.4374729155252 0.00022143 deg
M 158.1876064667955 2.8128e-05 deg
tp 2458417.011042090688
(2018-Oct-25.51104209)
9.8433e-05 TDB
period 1327.891795944484
3.64
2.0635e-05
5.65e-08
d
yr
n .2711064268184173 4.2129e-09 deg/d
Q 2.824989942698156 2.9266e-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 = .890939 au 
 Jupiter MOID = 2.47418 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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