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541655 (2011 UF263)
Classification: Inner Main-belt Asteroid          SPK-ID: 2541655
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 .0378291259610781 1.0573e-07  
a 1.949195589094968 2.0393e-08 au
q 1.875459223632317 2.0013e-07 au
i 22.68946105163885 1.1771e-05 deg
node 54.26799355698567 1.8238e-05 deg
peri 176.7814404932292 0.00014626 deg
M 312.4531844926839 0.00015449 deg
tp 2459331.780581267499
(2021-Apr-27.28058127)
0.00042728 TDB
period 993.9889507222147
2.72
1.5599e-05
4.271e-08
d
yr
n .36217706418007 5.6839e-09 deg/d
Q 2.02293195455762 2.1165e-08 au
  Orbit Determination Parameters
   # obs. used (total)      65  
   data-arc span      3531 days (9.67 yr)  
   first obs. used      2010-04-20  
   last obs. used      2019-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .71324  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:00  

Additional Information
 Earth MOID = .863168 au 
 Jupiter MOID = 2.96757 au 
 T_jup = 3.798 
[ 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 18.4   .38827 MPO528804 autocmod 2.8

541655 (2011 UF263)          Discovered 2010-Apr-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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