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131358 (2001 KA2)
Classification: Main-belt Asteroid          SPK-ID: 2131358
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06903905776289861 4.304e-08  
a 2.930150965674924 2.3188e-08 au
q 2.72785610390168 1.2724e-07 au
i 9.41525434997706 4.972e-06 deg
node 118.1510822852859 2.9379e-05 deg
peri 246.5299028046437 4.6844e-05 deg
M 200.9072469689194 3.7052e-05 deg
tp 2460010.120167649947
(2023-Mar-06.62016765)
0.00019006 TDB
period 1832.033545217739
5.02
2.1747e-05
5.954e-08
d
yr
n .1965029521100901 2.3325e-09 deg/d
Q 3.132445827448168 2.4789e-08 au
  Orbit Determination Parameters
   # obs. used (total)      483  
   data-arc span      7673 days (21.01 yr)  
   first obs. used      2000-03-12  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57435  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:54:56  

Additional Information
 Earth MOID = 1.73907 au 
 Jupiter MOID = 2.25337 au 
 T_jup = 3.253 
[ 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 15.36   n/a E2021B55  

131358 (2001 KA2)          Discovered 2001-May-19 by Pravec, P., Kusnirak, P. at Ondrejov
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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