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175894 (1999 XK54)
Classification: Main-belt Asteroid          SPK-ID: 2175894
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1700195118304291 5.4016e-08  
a 2.420877332011349 1.1914e-08 au
q 2.009280949821428 1.3174e-07 au
i 1.77009518275614 3.6015e-06 deg
node 132.7801531442892 0.00019793 deg
peri 299.3166882054085 0.00019836 deg
M 208.5695562019115 1.5051e-05 deg
tp 2459779.219741082161
(2022-Jul-18.71974108)
6.0247e-05 TDB
period 1375.807278669601
3.77
1.0156e-05
2.781e-08
d
yr
n .2616645554805598 1.9316e-09 deg/d
Q 2.832473714201269 1.394e-08 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      7527 days (20.61 yr)  
   first obs. used      1999-11-15  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53628  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:07:16  

Additional Information
 Earth MOID = 1.02418 au 
 Jupiter MOID = 2.43794 au 
 T_jup = 3.493 
[ 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 16.96   n/a E2021B55  

175894 (1999 XK54)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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