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296504 (2009 KM1)
Classification: Main-belt Asteroid          SPK-ID: 2296504
[ 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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1859998702846158 6.5986e-08  
a 3.125723029082777 3.647e-08 au
q 2.544338951127744 2.2337e-07 au
i 15.35916353908438 8.3874e-06 deg
node 231.7483344889688 1.9266e-05 deg
peri 46.21008420373653 2.9091e-05 deg
M 332.5040180357753 1.8732e-05 deg
tp 2459154.666814591395
(2020-Nov-01.16681459)		 0.0001054 TDB
period 2018.478675361141
5.53		 3.5326e-05
9.672e-08		 d
yr
n .1783521443126416 3.1214e-09 deg/d
Q 3.707107107037809 4.3253e-08 au
   Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      6254 days (17.12 yr)  
   first obs. used      2003-05-03  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54756  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:18:38  

Additional Information
 Earth MOID = 1.55481 au 
 Jupiter MOID = 1.47838 au 
 T_jup = 3.133 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457589.5 (2016-Jul-20.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1847436555866777 6.6025e-08  
q 2.550025123228082 2.2353e-07 au
tp 2457134.941382044935
(2015-Apr-22.44138204)		 0.00010721 TDB
node 231.7507114169864 1.9261e-05 deg
peri 46.1420664742984 2.9212e-05 deg
i 15.35616438451528 8.3862e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      6254 days (17.12 yr)  
   first obs. used      2003-05-03  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54756  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:18:38  

Additional Information
 Jupiter MOID = 1.47838 au 
 T_jup = 3.133 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.359287958605965E-15 -1.466223230495033E-14 -1.490623498704625E-12 6.104323951624927E-15 -3.265363061289679E-13 -1.537202250544994E-14
q -1.466223230495033E-14 4.996496573921265E-14 4.067801833204132E-12 -2.005284527904483E-14 9.53633816141556E-13 5.620148002988963E-14
tp -1.490623498704625E-12 4.067801833204132E-12 1.149362851333766E-8 1.544429544637231E-13 2.361194607675026E-9 -1.03482199700442E-11
node 6.104323951624927E-15 -2.005284527904483E-14 1.544429544637231E-13 3.709773051169012E-10 -3.573747019174015E-10 3.747973613273957E-12
peri -3.265363061289679E-13 9.53633816141556E-13 2.361194607675026E-9 -3.573747019174015E-10 8.533134219435065E-10 -5.129840058165074E-12
i -1.537202250544994E-14 5.620148002988963E-14 -1.03482199700442E-11 3.747973613273957E-12 -5.129840058165074E-12 7.032757631051077E-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 15.8   n/a MPO471126  

296504 (2009 KM1)          Discovered 2009-May-18 by Lowe, A. at Mayhill
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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