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136509 (2005 KC12)
Classification: Main-belt Asteroid          SPK-ID: 2136509
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 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 
[ 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 15.12   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 ]
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