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190992 (2001 XH239)
Classification: Main-belt Asteroid          SPK-ID: 2190992
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2169645635223297 4.1201e-08  
a 2.360007005343691 8.937e-09 au
q 1.847969115519656 9.7077e-08 au
i 2.837072551839624 4.466e-06 deg
node 24.15262373947424 8.2033e-05 deg
peri 14.35920043986942 8.2729e-05 deg
M 118.9279077595791 8.8944e-06 deg
tp 2458763.028623255724
(2019-Oct-06.52862326)
3.2841e-05 TDB
period 1324.245070772755
3.63
7.5221e-06
2.059e-08
d
yr
n .2718530036059898 1.5442e-09 deg/d
Q 2.872044895167725 1.0876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      628  
   data-arc span      6668 days (18.26 yr)  
   first obs. used      2001-10-26  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 21:27:48  

Additional Information
 Earth MOID = .854659 au 
 Jupiter MOID = 2.55369 au 
 T_jup = 3.518 
[ 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 16.3   n/a MPO533217  

190992 (2001 XH239)          Discovered 2001-Dec-15 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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