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52171 (2127 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2052171
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02672949892004213 3.509e-08  
a 2.549672555977099 1.1886e-08 au
q 2.481521086145648 8.8473e-08 au
i 1.972187494659484 4.687e-06 deg
node 325.0503073290224 0.00011134 deg
peri 316.4965988238746 0.00018404 deg
M 344.0162776929947 0.00015194 deg
tp 2459462.523792297182
(2021-Sep-05.02379230)
0.00062777 TDB
period 1487.048183799353
4.07
1.0399e-05
2.847e-08
d
yr
n .2420903397226936 1.6929e-09 deg/d
Q 2.61782402580855 1.2204e-08 au
  Orbit Determination Parameters
   # obs. used (total)      987  
   data-arc span      17438 days (47.74 yr)  
   first obs. used      1973-09-20  
   last obs. used      2021-06-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58191  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 08:07:52  

Additional Information
 Earth MOID = 1.46527 au 
 Jupiter MOID = 2.40016 au 
 T_jup = 3.439 
[ 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 15.34   n/a E2021B10  

52171 (2127 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2127 T-2 = 1977 RE12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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