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JPL Small-Body Database Browser
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128925 Conwell (2004 TJ70)
Classification: Main-belt Asteroid          SPK-ID: 2128925
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2524111236614031 5.5922e-08  
a 3.073161201661373 2.3804e-08 au
q 2.297461129557398 1.7565e-07 au
i 1.253174787149034 5.5507e-06 deg
node 255.8730932706563 0.00026414 deg
peri 2.41420445069965 0.00026445 deg
M 333.5419219895426 1.1593e-05 deg
tp 2458745.121290035951
(2019-Sep-18.62129004)
6.3187e-05 TDB
period 1967.779533810593
5.39
2.2863e-05
6.26e-08
d
yr
n .182947324034244 2.1256e-09 deg/d
Q 3.848861273765348 2.9813e-08 au
  Orbit Determination Parameters
   # obs. used (total)      435  
   data-arc span      15285 days (41.85 yr)  
   first obs. used      1977-10-12  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54311  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:23:53  

Additional Information
 Earth MOID = 1.282 au 
 Jupiter MOID = 1.22693 au 
 T_jup = 3.180 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO264193  

128925 Conwell           Discovered 2004 Oct. 6 by R. Holmes at the Astronomical Research Observatory, Charleston.
James Conwell (b. 1952) has been a professor at Eastern Illinois University since 1985, and the director of the Eastern Illinois University observatory since founding it in 2004.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120207/MPCPages.arcLast Updated: 2012-02-09

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Alternate Designations
 2004 TJ70 = 2002 CZ297 = 3368 T-3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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