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JPL Small-Body Database Browser
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437238 (2012 XV21)
Classification: Main-belt Asteroid          SPK-ID: 2437238
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1012348204522394 6.5004e-08  
a 2.725626410358872 3.3259e-08 au
q 2.44969811008631 1.7719e-07 au
i 7.399494339187081 7.915e-06 deg
node 73.7779627354044 5.7838e-05 deg
peri 264.7048620975615 7.0882e-05 deg
M 226.7376015563228 4.0867e-05 deg
tp 2459208.919387578929
(2020-Dec-25.41938758)
0.00018972 TDB
period 1643.606764446665
4.50
3.0083e-05
8.236e-08
d
yr
n .2190304930517837 4.009e-09 deg/d
Q 3.001554710631434 3.6626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      7547 days (20.66 yr)  
   first obs. used      1998-09-28  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52299  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:37:26  

Additional Information
 Earth MOID = 1.4535 au 
 Jupiter MOID = 2.33731 au 
 T_jup = 3.337 
[ 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 17.1   n/a MPO434608  

437238 (2012 XV21)          Discovered 2003-Dec-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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