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192871 (1999 XV20)
Classification: Main-belt Asteroid          SPK-ID: 2192871
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2542185006417205 4.2987e-08  
a 2.629274858754413 1.0903e-08 au
q 1.960864546386895 1.1693e-07 au
i 2.667754432782325 3.785e-06 deg
node 248.5024160442625 9.1512e-05 deg
peri 144.237795458537 9.1915e-05 deg
M 338.2598035495191 9.1326e-06 deg
tp 2459294.540163021546
(2021-Mar-21.04016302)
3.9826e-05 TDB
period 1557.228738243879
4.26
9.6866e-06
2.652e-08
d
yr
n .2311799102847151 1.438e-09 deg/d
Q 3.297685171121932 1.3675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      7760 days (21.25 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55992  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:54  

Additional Information
 Earth MOID = .966717 au 
 Jupiter MOID = 2.15087 au 
 T_jup = 3.353 
[ 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 15.96   n/a MPCxxxxx  

192871 (1999 XV20)          Discovered 1999-Dec-05 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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