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JPL Small-Body Database Browser
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390213 (2012 XR23)
Classification: Main-belt Asteroid          SPK-ID: 2390213
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1335912336293677 7.1298e-08  
a 3.132722197012788 5.5806e-08 au
q 2.714217974095747 2.4224e-07 au
i 5.887349741509832 7.6693e-06 deg
node 65.92540905165768 9.0322e-05 deg
peri 349.9832391326623 0.00010617 deg
M 61.71241339532531 5.0289e-05 deg
tp 2458253.322730388554
(2018-May-14.82273039)
0.0002808 TDB
period 2025.262182820225
5.54
5.4117e-05
1.482e-07
d
yr
n .1777547633357235 4.7498e-09 deg/d
Q 3.551226419929829 6.3261e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      6248 days (17.11 yr)  
   first obs. used      2001-12-18  
   last obs. used      2019-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63357  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:58:54  

Additional Information
 Earth MOID = 1.72594 au 
 Jupiter MOID = 1.79491 au 
 T_jup = 3.191 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO427945  

390213 (2012 XR23)          Discovered 2007-Nov-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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