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JPL Small-Body Database Browser
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108549 (2001 LJ11)
Classification: Main-belt Asteroid          SPK-ID: 2108549
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .236995024082541 4.6062e-08  
a 2.771761527959801 1.9203e-08 au
q 2.114867837889907 1.3573e-07 au
i 9.185980753858983 3.9896e-06 deg
node 210.5055092163335 2.6003e-05 deg
peri 153.6869234490675 2.7607e-05 deg
M 343.354546855018 1.235e-05 deg
tp 2459078.433708434844
(2020-Aug-16.93370843)
5.8408e-05 TDB
period 1685.513442750693
4.61
1.7516e-05
4.796e-08
d
yr
n .2135847694056322 2.2195e-09 deg/d
Q 3.428655218029695 2.3753e-08 au
  Orbit Determination Parameters
   # obs. used (total)      770  
   data-arc span      7942 days (21.74 yr)  
   first obs. used      1997-10-29  
   last obs. used      2019-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51383  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:09:14  

Additional Information
 Earth MOID = 1.11801 au 
 Jupiter MOID = 2.06767 au 
 T_jup = 3.277 
[ 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 14.7   n/a MPO436521  
diameter diameter 4.801 km 0.979 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.879 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.]
geometric albedo albedo 0.124   0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108549 (2001 LJ11)          Discovered 2001-Jun-15 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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