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108472 (2001 KF57)
Classification: Main-belt Asteroid          SPK-ID: 2108472
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2748469678961107 3.4805e-08  
a 2.654277515064502 1.3072e-08 au
q 1.9247573880942 9.0892e-08 au
i 12.16829283575113 6.3669e-06 deg
node 207.726644127518 1.9729e-05 deg
peri 106.2392467487684 2.3754e-05 deg
M 111.3635987962007 1.498e-05 deg
tp 2458511.894135533316
(2019-Jan-28.39413553)
6.3714e-05 TDB
period 1579.493776327271
4.32
1.1668e-05
3.195e-08
d
yr
n .2279211259933499 1.6837e-09 deg/d
Q 3.383797642034803 1.6665e-08 au
  Orbit Determination Parameters
   # obs. used (total)      748  
   data-arc span      10138 days (27.76 yr)  
   first obs. used      1992-04-25  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4824  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:07:56  

Additional Information
 Earth MOID = .953911 au 
 Jupiter MOID = 2.13078 au 
 T_jup = 3.303 
[ 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 15.1   n/a MPO439730  
diameter diameter 5.068 km 0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.146 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.068   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108472 (2001 KF57)          Discovered 2001-May-23 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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