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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2720668386073379 3.4507e-08  
a 2.329503384060114 9.5188e-09 au
q 1.695722762833783 8.228e-08 au
i 2.514942764771148 4.5253e-06 deg
node 210.1603366519356 7.5041e-05 deg
peri 134.8715260323476 7.5504e-05 deg
M 81.85194273350044 7.8444e-06 deg
tp 2458905.229583702568
(2020-Feb-25.72958370)
2.7689e-05 TDB
period 1298.653963695965
3.56
7.9598e-06
2.179e-08
d
yr
n .2772101037411391 1.6991e-09 deg/d
Q 2.963284005286444 1.2109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      912  
   data-arc span      10773 days (29.49 yr)  
   first obs. used      1991-08-08  
   last obs. used      2021-02-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51848  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:12:42  

Additional Information
 Earth MOID = .687882 au 
 Jupiter MOID = 2.46611 au 
 T_jup = 3.520 
[ 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 15.78   n/a MPCxxxxx  
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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