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344130 (1999 XW235)
Classification: Outer Main-belt Asteroid          SPK-ID: 2344130
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1747543776160146 5.6074e-08  
a 3.476066724416102 2.7498e-08 au
q 2.868608847439027 1.8929e-07 au
i 9.550875478493197 5.3386e-06 deg
node 81.1147588300431 3.2473e-05 deg
peri 318.8190410400338 3.6466e-05 deg
M 82.99612887066549 1.7433e-05 deg
tp 2458454.759833668487
(2018-Dec-02.25983367)
0.00011083 TDB
period 2367.176187042439
6.48
2.8089e-05
7.69e-08
d
yr
n .1520799347216253 1.8046e-09 deg/d
Q 4.083524601393176 3.2303e-08 au
  Orbit Determination Parameters
   # obs. used (total)      362  
   data-arc span      7443 days (20.38 yr)  
   first obs. used      1999-12-03  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47911  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:24:20  

Additional Information
 Earth MOID = 1.88601 au 
 Jupiter MOID = 1.35719 au 
 T_jup = 3.084 
[ 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 15.4   n/a MPO418775  

344130 (1999 XW235)          Discovered 1999-Dec-03 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 1999 XW235 = 2005 UJ497 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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