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213393 (2001 UR172)
Classification: Main-belt Asteroid          SPK-ID: 2213393
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09859374508629169 1.099e-07  
a 2.94926441789194 3.7164e-08 au
q 2.658485393682232 3.2575e-07 au
i 8.953865518287168 7.93e-06 deg
node 48.85972792775603 4.6675e-05 deg
peri 294.9327144341027 5.9896e-05 deg
M 325.1134301921273 4.2918e-05 deg
tp 2459379.777077055831
(2021-Jun-14.27707706)
0.00022225 TDB
period 1849.988350690038
5.06
3.4967e-05
9.573e-08
d
yr
n .1945958199497426 3.6781e-09 deg/d
Q 3.240043442101649 4.0828e-08 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      6409 days (17.55 yr)  
   first obs. used      2001-10-18  
   last obs. used      2019-05-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60679  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:31  

Additional Information
 Earth MOID = 1.66558 au 
 Jupiter MOID = 2.17011 au 
 T_jup = 3.244 
[ 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 16.3   n/a MPO433395  

213393 (2001 UR172)          Discovered 2001-Oct-18 by NEAT at Palomar
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

Alternate Designations
 2001 UR172 = 2001 UK180 = 2006 UU159 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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