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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
136509 (2005 KC12)
Classification: Main-belt Asteroid          SPK-ID: 2136509
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08349892136509461 4.5607e-08  
a 3.031193225739767 2.2109e-08 au
q 2.778091860941315 1.4842e-07 au
i 11.46332859571686 4.2038e-06 deg
node 130.0639082023565 2.6388e-05 deg
peri 204.5510292359255 4.0753e-05 deg
M 286.4828876122253 3.2131e-05 deg
tp 2459790.145054013880
(2022-Jul-29.64505401)
0.00017307 TDB
period 1927.608618487609
5.28
2.109e-05
5.774e-08
d
yr
n .1867599037207325 2.0433e-09 deg/d
Q 3.284294590538219 2.3955e-08 au
  Orbit Determination Parameters
   # obs. used (total)      516  
   data-arc span      7738 days (21.19 yr)  
   first obs. used      2000-05-27  
   last obs. used      2021-08-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59899  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:56:16  

Additional Information
 Earth MOID = 1.77047 au 
 Jupiter MOID = 2.04332 au 
 T_jup = 3.207 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457710.5 (2016-Nov-18.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08210052099816613 4.5612e-08  
q 2.783803214224694 1.4834e-07 au
tp 2457861.342740554634
(2017-Apr-17.84274055)
0.00017204 TDB
node 130.0796005032943 2.6388e-05 deg
peri 204.5632501804834 4.1162e-05 deg
i 11.46094783778666 4.203e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      516  
   data-arc span      7738 days (21.19 yr)  
   first obs. used      2000-05-27  
   last obs. used      2021-08-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59899  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:56:16  

Additional Information
 Jupiter MOID = 2.04332 au 
 T_jup = 3.207 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.080428982572951E-15 -6.714830393445414E-15 6.981149538872924E-13 -2.912031278299893E-16 2.103139819824217E-13 -6.983365231386603E-16
q -6.714830393445414E-15 2.200532934546536E-14 -1.666716980692072E-12 3.956636300278313E-15 -5.819764935544673E-13 3.138138829097627E-15
tp 6.981149538872924E-13 -1.666716980692072E-12 2.959680045071236E-8 4.722157002074339E-11 5.471635394840002E-9 9.092249753869584E-12
node -2.912031278299893E-16 3.956636300278313E-15 4.722157002074339E-11 6.963452015280452E-10 -6.734317258335432E-10 -1.829976919231319E-12
peri 2.103139819824217E-13 -5.819764935544673E-13 5.471635394840002E-9 -6.734317258335432E-10 1.694310102350992E-9 3.434329484142563E-12
i -6.983365231386603E-16 3.138138829097627E-15 9.092249753869584E-12 -1.829976919231319E-12 3.434329484142563E-12 1.766525031022624E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.12   n/a E2021B55  
diameter diameter 3.273 km 0.454 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.217   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136509 (2005 KC12)          Discovered 2005-May-31 by CSS at Catalina
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-21 17:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin