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

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2510285009176844 8.1669e-08  
a 3.074983796829808 7.5351e-08 AU
q 2.303075223965452 2.7706e-07 AU
i 1.251656906668818 8.0657e-06 deg
node 255.9026515023725 0.00057737 deg
peri 2.452939730428056 0.00057824 deg
M 4.266172664294645 3.8254e-05 deg
tp 2456777.160120892443
(2014-Apr-29.66012089)
0.0002087 JED
period 1969.53033547924
5.39
7.2394e-05
1.982e-07
d
yr
n .1827846941552196 6.7186e-09 deg/d
Q 3.846892369694164 9.4266e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      13015 days (35.63 yr)  
   first obs. used      1977-10-12  
   last obs. used      2013-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63992  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 03:55:45  

Additional Information
 Earth MOID = 1.28776 AU 
 T_jup = 3.180 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4 mag 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

[ show close-approach data ]
Alternate Designations
 2004 TJ70 = 2002 CZ297 = 3368 T-3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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