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JPL Small-Body Database Browser
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(2012 KM45)
Classification: Apollo [NEO]          SPK-ID: 3605319
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5913667754378086 6.8947e-08  
a 2.269297646490192 1.0065e-07 au
q .9273104147766789 1.6038e-07 au
i 28.18537932829289 2.8793e-05 deg
node 95.2024811835214 2.7414e-05 deg
peri 158.5566848995693 4.447e-05 deg
M 117.8294082182504 5.8509e-05 deg
tp 2458591.816770425545
(2019-Apr-18.31677043)
0.00017604 TDB
period 1248.635335367964
3.42
8.307e-05
2.274e-07
d
yr
n .2883147623672772 1.9181e-08 deg/d
Q 3.611284878203704 1.6017e-07 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      2426 days (6.64 yr)  
   first obs. used      2012-05-29  
   last obs. used      2019-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3232  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-20 07:05:24  

Additional Information
 Earth MOID = .0619043 au 
 Jupiter MOID = 1.60202 au 
 T_jup = 3.232 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.8   n/a MPO242006  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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