Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .006330743625567378 5.0532e-08  
a 3.038618532943473 3.0956e-08 au
q 3.019381818035511 1.5548e-07 au
i 9.466677388799889 7.0499e-06 deg
node 237.419679349756 3.9928e-05 deg
peri 211.7371240334533 0.00068826 deg
M 12.69995656611701 0.00068361 deg
tp 2458532.248463111149
(2019-Feb-17.74846311)
0.0036742 TDB
period 1934.695851286585
5.30
2.9564e-05
8.094e-08
d
yr
n .1860757595363621 2.8435e-09 deg/d
Q 3.057855247851436 3.1152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      9923 days (27.17 yr)  
   first obs. used      1991-11-07  
   last obs. used      2019-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62226  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:24:54  

Additional Information
 Earth MOID = 2.03411 au 
 Jupiter MOID = 1.97193 au 
 T_jup = 3.220 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456794.5 (2014-May-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .007498049520268696 4.8242e-08  
q 3.018456179810586 1.5417e-07 au
tp 2456688.492301096363
(2014-Jan-30.99230110)
0.0031699 TDB
node 237.524995214871 3.9925e-05 deg
peri 228.5590522189471 0.00059201 deg
i 9.465451316047348 7.0461e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      9923 days (27.17 yr)  
   first obs. used      1991-11-07  
   last obs. used      2019-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62226  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:24:54  

Additional Information
 Jupiter MOID = 1.97193 au 
 T_jup = 3.220 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.32729104740379E-15 -7.288126521983189E-15 5.075792364009041E-12 9.12575981005141E-15 9.696802231803439E-13 -7.373281148488868E-16
q -7.288126521983189E-15 2.376825734301644E-14 -4.752115633611117E-11 -1.874073973516928E-14 -8.926996256329059E-12 1.679781260458423E-15
tp 5.075792364009041E-12 -4.752115633611117E-11 1.00481382608952E-5 -1.396293791209831E-9 1.872401472011918E-6 4.354318562988308E-11
node 9.12575981005141E-15 -1.874073973516928E-14 -1.396293791209831E-9 1.594024795712734E-9 -1.832139049135163E-9 -1.015451714230647E-10
peri 9.696802231803439E-13 -8.926996256329059E-12 1.872401472011918E-6 -1.832139049135163E-9 3.50480286191975E-7 1.08387824778272E-10
i -7.373281148488868E-16 1.679781260458423E-15 4.354318562988308E-11 -1.015451714230647E-10 1.08387824778272E-10 4.964686782499567E-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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-16 10:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin