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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2232783348479801 7.2668e-08  
a 2.589571433005635 2.7285e-08 au
q 2.011376235474239 1.8854e-07 au
i 29.62381605674471 5.3831e-06 deg
node 132.4170093984131 1.7399e-05 deg
peri 236.0906173772124 2.1598e-05 deg
M 326.128224313689 1.5453e-05 deg
tp 2459143.710787841097
(2020-Oct-21.21078784)
6.6203e-05 TDB
period 1522.089780596621
4.17
2.4056e-05
6.586e-08
d
yr
n .2365169286261741 3.7381e-09 deg/d
Q 3.16776663053703 3.3377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      7656 days (20.96 yr)  
   first obs. used      1999-08-13  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54405  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 00:39:43  

Additional Information
 Earth MOID = 1.09856 au 
 Jupiter MOID = 2.45438 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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