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129407 (5177 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2129407
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1171046349128964 6.0595e-08  
a 3.014510281639349 2.7345e-08 au
q 2.661497155666801 1.9152e-07 au
i 8.887087271316464 7.8589e-06 deg
node 238.7235361463989 3.8383e-05 deg
peri 104.5416122571171 5.1636e-05 deg
M 348.8372830878369 3.3324e-05 deg
tp 2459059.777651808100
(2020-Jul-29.27765181)
0.00017714 TDB
period 1911.716907168319
5.23
2.6012e-05
7.122e-08
d
yr
n .1883124005704593 2.5623e-09 deg/d
Q 3.367523407611897 3.0548e-08 au
  Orbit Determination Parameters
   # obs. used (total)      439  
   data-arc span      17111 days (46.85 yr)  
   first obs. used      1973-09-24  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56726  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:40:35  

Additional Information
 Earth MOID = 1.6721 au 
 Jupiter MOID = 2.07936 au 
 T_jup = 3.220 
[ 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 15.2   n/a MPO432773  

129407 (5177 T-2)          Discovered 1973-Sep-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 5177 T-2 = 2004 PQ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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