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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2270845508308287 9.2671e-08  
a 2.468275501891766 3.1396e-08 au
q 1.907768268217936 2.269e-07 au
i 3.350331663103464 1.2819e-05 deg
node 101.3425146601257 0.00020495 deg
peri 255.8748960620255 0.00020902 deg
M 12.26564384053226 4.8376e-05 deg
tp 2458952.241177046961
(2020-Apr-12.74117705)
0.00018968 TDB
period 1416.409647056895
3.88
2.7025e-05
7.399e-08
d
yr
n .2541637588730284 4.8494e-09 deg/d
Q 3.028782735565597 3.8526e-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 = .907012 au 
 Jupiter MOID = 2.42229 au 
 T_jup = 3.447 
[ 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 17.6   n/a MPO477049  

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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