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JPL Small-Body Database Browser
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393454 (2001 UL231)
Classification: Main-belt Asteroid          SPK-ID: 2393454
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2533690682462168 7.925e-08  
a 2.380843300675832 2.2355e-08 au
q 1.777611251943349 1.8477e-07 au
i 4.171348082509532 8.7033e-06 deg
node 140.9264281096877 0.00018436 deg
peri 314.6570617258078 0.00018669 deg
M 332.9557180138386 3.3906e-05 deg
tp 2459101.301640581308
(2020-Sep-08.80164058)
0.00012716 TDB
period 1341.821188961117
3.67
1.8898e-05
5.174e-08
d
yr
n .2682920816586031 3.7787e-09 deg/d
Q 2.984075349408315 2.8019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      67  
   data-arc span      6092 days (16.68 yr)  
   first obs. used      2001-10-10  
   last obs. used      2018-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55827  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:52:15  

Additional Information
 Earth MOID = .797327 au 
 Jupiter MOID = 2.21361 au 
 T_jup = 3.491 
[ 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 18.0   n/a MPO455790  

393454 (2001 UL231)          Discovered 2001-Oct-16 by NEAT at Palomar
Reference: Last Updated: 2014-05-15

[ show close-approach data ]
Alternate Designations
 2001 UL231 = 2010 CZ153 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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