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451124 (2009 KC3)
Classification: Apollo [NEO, PHA]          SPK-ID: 2451124
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 98 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6994948435243494 3.7262e-08  
a 3.205478514196984 3.6299e-07 au
q .9632628224881007 4.0586e-08 au
i 10.02324196957869 5.1312e-06 deg
node 340.0776212576162 1.0144e-05 deg
peri 337.2744677889181 1.2012e-05 deg
M 317.1178943621296 0.00011675 deg
tp 2459250.195855430643
(2021-Feb-04.69585543)
0.00072225 TDB
period 2096.224208627635
5.74
0.00035606
9.748e-07
d
yr
n .1717373544863726 2.9171e-08 deg/d
Q 5.447694205905869 6.1689e-07 au
  Orbit Determination Parameters
   # obs. used (total)      456  
   # delay obs. used      11  
   # Doppler obs. used      8  
   data-arc span      2394 days (6.55 yr)  
   first obs. used      2009-05-04  
   last obs. used      2015-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .33448  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-15 07:46:05  

Additional Information
 Earth MOID = .00903145 au 
 Jupiter MOID = .155634 au 
 T_jup = 2.728 
[ show covariance matrix ]

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 18.0   n/a MPO264990  
diameter diameter 2.188 km 0.453 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
geometric albedo albedo 0.023   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

451124 (2009 KC3)          Discovered 2009-May-23 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2015-11-30

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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