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120750 (1997 WX19)
Classification: Main-belt Asteroid          SPK-ID: 2120750
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08081799762700553 5.4164e-08  
a 2.540649348497254 1.6762e-08 au
q 2.33531915547935 1.3418e-07 au
i 16.11452365301331 4.8169e-06 deg
node 93.22798830733667 2.8884e-05 deg
peri 161.1427381141058 6.8696e-05 deg
M 53.966057172328 6.0842e-05 deg
tp 2458778.765276162268
(2019-Oct-22.26527616)		 0.00025038 TDB
period 1479.161249944248
4.05		 1.4638e-05
4.008e-08		 d
yr
n .2433811729543138 2.4085e-09 deg/d
Q 2.745979541515159 1.8116e-08 au
   Orbit Determination Parameters
   # obs. used (total)      481  
   data-arc span      8283 days (22.68 yr)  
   first obs. used      1997-11-24  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63295  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:10:41  

Additional Information
 Earth MOID = 1.32383 au 
 Jupiter MOID = 2.3442 au 
 T_jup = 3.386 
[ 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 15.6   n/a MPO475060  

120750 (1997 WX19)          Discovered 1997-Nov-24 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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Alternate Designations
 1997 WX19 = 1999 LN8 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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