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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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2719997953754579 4.4336e-08  
a 2.329029538750404 1.0881e-08 au
q 1.695533980786897 1.0707e-07 au
i 2.515172404648021 5.145e-06 deg
node 210.1642545461451 7.6373e-05 deg
peri 134.8337474365797 7.7035e-05 deg
M 26.43694037812738 8.0915e-06 deg
tp 2458905.161215059899
(2020-Feb-25.66121506)
2.9099e-05 TDB
period 1298.257744184073
3.55
9.0978e-06
2.491e-08
d
yr
n .277294706396111 1.9432e-09 deg/d
Q 2.962525096713911 1.384e-08 au
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      10585 days (28.98 yr)  
   first obs. used      1991-08-08  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52712  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:36:44  

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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