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136508 (2005 KO8)
Classification: Main-belt Asteroid          SPK-ID: 2136508
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .006176864935345019 4.9039e-08  
a 3.037433608314809 2.9833e-08 au
q 3.018671791166171 1.4703e-07 au
i 9.466519027530405 6.4697e-06 deg
node 237.4115087236281 3.9573e-05 deg
peri 208.236018587615 0.00069725 deg
M 90.6482499918049 0.00069218 deg
tp 2458513.627167808754
(2019-Jan-30.12716781)
0.0037202 TDB
period 1933.564295005082
5.29
2.8487e-05
7.799e-08
d
yr
n .186184654386708 2.743e-09 deg/d
Q 3.056195425463448 3.0017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      10314 days (28.24 yr)  
   first obs. used      1991-11-07  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60674  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:40:48  

Additional Information
 Earth MOID = 2.0331 au 
 Jupiter MOID = 1.97304 au 
 T_jup = 3.220 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456991.5 (2014-Nov-30.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .007094669375870892 4.5988e-08  
q 3.017246284700423 1.4264e-07 au
tp 2456655.605896031732
(2013-Dec-29.10589603)
0.0033271 TDB
node 237.457420231449 3.958e-05 deg
peri 222.4230720811134 0.00062198 deg
i 9.464367202940327 6.4679e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      10314 days (28.24 yr)  
   first obs. used      1991-11-07  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60674  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:40:48  

Additional Information
 Jupiter MOID = 1.97304 au 
 T_jup = 3.220 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.114911572567229E-15 -6.416357581621651E-15 -6.032501890047779E-12 9.844613980794277E-15 -1.121469055228355E-12 -1.987970329369342E-16
q -6.416357581621651E-15 2.034577678182697E-14 -1.837020036255528E-11 -3.050646225867227E-14 -3.41543492431515E-12 2.374690693770679E-15
tp -6.032501890047779E-12 -1.837020036255528E-11 1.106977286516406E-5 -1.338521562859431E-9 2.065256436554765E-6 -2.924050883079879E-11
node 9.844613980794277E-15 -3.050646225867227E-14 -1.338521562859431E-9 1.566552764432167E-9 -1.794962783897091E-9 -8.681095046940292E-11
peri -1.121469055228355E-12 -3.41543492431515E-12 2.065256436554765E-6 -1.794962783897091E-9 3.868530579218423E-7 8.042702292445908E-11
i -1.987970329369342E-16 2.374690693770679E-15 -2.924050883079879E-11 -8.681095046940292E-11 8.042702292445908E-11 4.183385665448715E-11

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 15.2   n/a MPO436672  

136508 (2005 KO8)          Discovered 2005-May-18 by Siding Spring Survey at Siding Spring
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2005 KO8 = 2002 XN98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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