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541768 (2011 XY2)
Classification: Inner Main-belt Asteroid          SPK-ID: 2541768
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08881030083321047 7.0009e-08  
a 1.925264343166483 9.5564e-09 au
q 1.754281037666414 1.364e-07 au
i 20.3502021084063 6.7941e-06 deg
node 218.7178180644785 1.5745e-05 deg
peri 229.3816426854569 4.1955e-05 deg
M 127.1351768959376 3.4358e-05 deg
tp 2458855.914332972677
(2020-Jan-07.41433297)
9.3066e-05 TDB
period 975.7397060246666
2.67
7.2649e-06
1.989e-08
d
yr
n .3689508562347049 2.747e-09 deg/d
Q 2.096247648666552 1.0405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      5944 days (16.27 yr)  
   first obs. used      2003-12-14  
   last obs. used      2020-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50365  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:22  

Additional Information
 Earth MOID = .799192 au 
 Jupiter MOID = 3.13124 au 
 T_jup = 3.839 
[ 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 17.82   .44014 MPCxxxxx autocmod 2.8

541768 (2011 XY2)          Discovered 2010-May-14 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 XY2 = 2016 TU12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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