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160320 (2003 KF12)
Classification: Main-belt Asteroid          SPK-ID: 2160320
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 .2271779254379038 5.865e-08  
a 2.776103517847025 2.2786e-08 au
q 2.145434079861671 1.573e-07 au
i 9.491760947824323 6.1555e-06 deg
node 106.6355865487237 3.961e-05 deg
peri 83.64658167415735 4.2256e-05 deg
M 272.8300737126367 1.7501e-05 deg
tp 2459409.587386994625
(2021-Jul-14.08738699)
8.5613e-05 TDB
period 1689.475551838505
4.63
2.08e-05
5.695e-08
d
yr
n .2130838765960503 2.6234e-09 deg/d
Q 3.406772955832379 2.7962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      6525 days (17.86 yr)  
   first obs. used      2002-01-13  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62935  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:50:45  

Additional Information
 Earth MOID = 1.17106 au 
 Jupiter MOID = 1.65397 au 
 T_jup = 3.278 
[ 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 16.3   n/a MPO417853  
rotation period rot_per 4.299 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

160320 (2003 KF12)          Discovered 2003-May-27 by LONEOS at Anderson Mesa
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

[ show close-approach data ]
Alternate Designations
 2003 KF12 = 2002 AN196 = 2004 OF14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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