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379928 (2012 KW44)
Classification: Main-belt Asteroid          SPK-ID: 2379928
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2046209861279509 1.0314e-07  
a 2.613720042182087 4.3597e-08 au
q 2.078898069688399 2.9659e-07 au
i 13.72469353376265 1.0327e-05 deg
node 220.39460253 2.5886e-05 deg
peri 31.69089921604941 4.5833e-05 deg
M 318.5298230898622 4.0599e-05 deg
tp 2459178.295357319662
(2020-Nov-24.79535732)
0.00017772 TDB
period 1543.430325213576
4.23
3.8617e-05
1.057e-07
d
yr
n .2332466805394562 5.8359e-09 deg/d
Q 3.148542014675776 5.2518e-08 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      5740 days (15.72 yr)  
   first obs. used      2004-08-09  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53543  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:31:23  

Additional Information
 Earth MOID = 1.07802 au 
 Jupiter MOID = 1.90704 au 
 T_jup = 3.339 
[ 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 16.5   n/a MPO427888  

379928 (2012 KW44)          Discovered 2009-Oct-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

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