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JPL Small-Body Database Browser
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437131 (2012 UR157)
Classification: Main-belt Asteroid          SPK-ID: 2437131
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2276758658262527 9.278e-08  
a 2.469529746410981 3.1783e-08 au
q 1.907277423213174 2.2706e-07 au
i 3.349801793804953 1.2823e-05 deg
node 101.3457761577449 0.000205 deg
peri 255.8224390418618 0.00020905 deg
M 270.7270727292924 4.6846e-05 deg
tp 2458952.009522216585
(2020-Apr-12.50952222)
0.00018928 TDB
period 1417.489398709259
3.88
2.7365e-05
7.492e-08
d
yr
n .2539701533766741 4.903e-09 deg/d
Q 3.031782069608787 3.902e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      5409 days (14.81 yr)  
   first obs. used      2004-09-07  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64338  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:37:22  

Additional Information
 Earth MOID = .905622 au 
 Jupiter MOID = 2.41562 au 
 T_jup = 3.446 
[ 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 17.7   n/a MPO392151  

437131 (2012 UR157)          Discovered 2004-Sep-07 by LINEAR at Socorro
Reference: Last Updated: 2015-06-04

Alternate Designations
 2012 UR157 = 2004 RE33 = 2006 BE112 = 2008 SW306 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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