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JPL Small-Body Database Browser
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172042 (2001 WT101)
Classification: Main-belt Asteroid          SPK-ID: 2172042
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08413976283803229 5.5913e-08  
a 3.163969376086193 4.6013e-08 au
q 2.897753743155504 1.7973e-07 au
i 6.351158889317369 8.8954e-06 deg
node 211.9477656136296 4.9992e-05 deg
peri 282.8735381774545 7.2041e-05 deg
M 26.55615896447515 5.3647e-05 deg
tp 2458848.861460545686
(2019-Dec-31.36146055)
0.00030521 TDB
period 2055.63893018487
5.63
4.4842e-05
1.228e-07
d
yr
n .1751280318317498 3.8203e-09 deg/d
Q 3.430185009016882 4.9885e-08 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      6234 days (17.07 yr)  
   first obs. used      2001-11-18  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60219  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:51:50  

Additional Information
 Earth MOID = 1.92019 au 
 Jupiter MOID = 1.64547 au 
 T_jup = 3.189 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO417925  

172042 (2001 WT101)          Discovered 2001-Nov-18 by Spacewatch at Kitt Peak
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2001 WT101 = 2006 UB112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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