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48909 Laurake (1998 MK40)
Classification: Main-belt Asteroid          SPK-ID: 2048909
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2719997989293287 4.3388e-08  
a 2.32902953805767 1.0738e-08 au
q 1.695533972005516 1.0467e-07 au
i 2.515172529603229 5.1128e-06 deg
node 210.16425370 7.625e-05 deg
peri 134.833748937387 7.6892e-05 deg
M 26.43694010887711 8.0594e-06 deg
tp 2458905.161216073424
(2020-Feb-25.66121607)
2.8973e-05 TDB
period 1298.257743604853
3.55
8.9784e-06
2.458e-08
d
yr
n .2772947065198265 1.9177e-09 deg/d
Q 2.962525104109824 1.3659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      854  
   data-arc span      10675 days (29.23 yr)  
   first obs. used      1991-08-08  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52428  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:35:14  

Additional Information
 Earth MOID = .689481 au 
 Jupiter MOID = 2.46616 au 
 T_jup = 3.521 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO436125  
diameter diameter 1.727 km 0.312 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.341   0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48909 Laurake           Discovered 1998 June 26 by E. W. Elst at the European Southern Observatory.
Laura ("Laurake") De Maeyer (1966-1979), daughter of Myriam Kerkhofs and sculptor Elmer De Maeyer, died tragically a few days before her thirteenth birthday.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060613/MPCPages.arcLast Updated: 2008-05-22

Alternate Designations
 1998 MK40 = 1991 PQ18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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