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JPL Small-Body Database Browser
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437277 (2012 XS155)
Classification: Main-belt Asteroid          SPK-ID: 2437277
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2239248980369598 8.1912e-08  
a 2.589111645565836 3.1908e-08 au
q 2.009345084326201 2.0695e-07 au
i 29.60932449493577 5.5111e-06 deg
node 132.4543055937566 1.9667e-05 deg
peri 236.1486175736541 2.4197e-05 deg
M 231.4876308741974 1.9246e-05 deg
tp 2459143.709083012993
(2020-Oct-21.20908301)
8.6949e-05 TDB
period 1521.684420067346
4.17
2.8129e-05
7.701e-08
d
yr
n .2365799342179421 4.3734e-09 deg/d
Q 3.168878206805471 3.9053e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      7289 days (19.96 yr)  
   first obs. used      1999-08-13  
   last obs. used      2019-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56188  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:37:28  

Additional Information
 Earth MOID = 1.09598 au 
 Jupiter MOID = 2.45133 au 
 T_jup = 3.205 
[ 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 15.8   n/a MPO437696  

437277 (2012 XS155)          Discovered 2011-Jun-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04

Alternate Designations
 2012 XS155 = 2011 LU16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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