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541673 (2011 UR339)
Classification: Main-belt Asteroid          SPK-ID: 2541673
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .240967292539803 6.0254e-07  
a 2.482947371093384 8.0827e-08 au
q 1.88463826556219 1.438e-06 au
i 5.441926036342873 2.0357e-05 deg
node 36.33296874221201 7.2785e-05 deg
peri 2.273053014429862 0.0002545 deg
M 115.4168504936649 0.00014677 deg
tp 2458742.340794918828
(2019-Sep-15.84079492)
0.00058347 TDB
period 1429.057482713715
3.91
6.9779e-05
1.91e-07
d
yr
n .2519142892113593 1.2301e-08 deg/d
Q 3.081256476624578 1.003e-07 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      4441 days (12.16 yr)  
   first obs. used      2007-10-20  
   last obs. used      2019-12-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45919  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:03  

Additional Information
 Earth MOID = .89129 au 
 Jupiter MOID = 2.34817 au 
 T_jup = 3.430 
[ 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 18.5   n/a MPO357178  

541673 (2011 UR339)          Discovered 2007-Oct-20 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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