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129015 (2004 TJ321)
Classification: Main-belt Asteroid          SPK-ID: 2129015
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04944479784252319 5.4998e-08  
a 3.075932124317217 3.2023e-08 au
q 2.923843282253029 1.7253e-07 au
i 13.45087865990914 5.3811e-06 deg
node 264.3760653028974 3.086e-05 deg
peri 201.6598762891406 7.51e-05 deg
M 264.5282519124387 6.8902e-05 deg
tp 2459523.059710375987
(2021-Nov-04.55971038)
0.00037972 TDB
period 1970.441512842321
5.39
3.0771e-05
8.425e-08
d
yr
n .1827001703190406 2.8531e-09 deg/d
Q 3.228020966381405 3.3606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      7546 days (20.66 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57096  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:39:19  

Additional Information
 Earth MOID = 1.94427 au 
 Jupiter MOID = 1.98256 au 
 T_jup = 3.185 
[ 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 14.8   n/a MPO320438  

129015 (2004 TJ321)          Discovered 2004-Oct-11 by NEAT at Palomar
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 2004 TJ321 = 1999 XP76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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