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129002 (2004 TR256)
Classification: Outer Main-belt Asteroid          SPK-ID: 2129002
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2191909220687373 5.1143e-08  
a 3.985877565145584 6.0919e-08 au
q 3.11220938638823 2.1814e-07 au
i 8.57575338869041 8.4546e-06 deg
node 11.37708108650728 4.4659e-05 deg
peri 79.53061992479586 4.9748e-05 deg
M 307.6330459223649 2.5233e-05 deg
tp 2459423.304081838304
(2021-Jul-27.80408184)
0.00021061 TDB
period 2906.593903402051
7.96
6.6635e-05
1.824e-07
d
yr
n .1238563115331091 2.8395e-09 deg/d
Q 4.859545743902939 7.4271e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      8389 days (22.97 yr)  
   first obs. used      1996-10-06  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66712  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 15:14:20  

Additional Information
 Earth MOID = 2.14423 au 
 Jupiter MOID = .769756 au 
 T_jup = 2.994 
[ 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 14.7   n/a MPO453768  

129002 (2004 TR256)          Discovered 2004-Oct-09 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 2004 TR256 = 1996 TR24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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