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357121 (2001 XK4)
Classification: Inner Main-belt Asteroid          SPK-ID: 2357121
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05609576527795846 4.9386e-08  
a 1.903010338376299 1.4336e-08 au
q 1.796259517113214 9.8174e-08 au
i 24.36704064321806 9.3195e-06 deg
node 73.13680786584629 1.3869e-05 deg
peri 252.2673621981277 8.7499e-05 deg
M 113.7592790668514 8.9878e-05 deg
tp 2458697.498709139289
(2019-Aug-01.99870914)
0.00023869 TDB
period 958.8709211646287
2.63
1.0835e-05
2.966e-08
d
yr
n .3754415657560561 4.2425e-09 deg/d
Q 2.009761159639385 1.514e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      5913 days (16.19 yr)  
   first obs. used      2001-11-17  
   last obs. used      2018-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58957  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:25:20  

Additional Information
 Earth MOID = .838046 au 
 Jupiter MOID = 3.13039 au 
 T_jup = 3.834 
[ 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 17.4   n/a MPO437508  

357121 (2001 XK4)          Discovered 2001-Dec-10 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2001 XK4 = 2008 GL128 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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