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JPL Small-Body Database Browser
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108544 (2001 LO9)
Classification: Main-belt Asteroid          SPK-ID: 2108544
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2258661204243569 4.8782e-08  
a 2.728583701064177 1.9313e-08 au
q 2.112289086251678 1.3373e-07 au
i 7.537724997190248 6.3721e-06 deg
node 171.1623861168909 3.2976e-05 deg
peri 30.05483841882003 3.5407e-05 deg
M 114.82978746856 1.3847e-05 deg
tp 2458475.382601291694
(2018-Dec-22.88260129)
6.0289e-05 TDB
period 1646.282447285286
4.51
1.7478e-05
4.785e-08
d
yr
n .2186745054553905 2.3217e-09 deg/d
Q 3.344878315876676 2.3675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      8930 days (24.45 yr)  
   first obs. used      1994-11-28  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53243  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:45:38  

Additional Information
 Earth MOID = 1.11403 au 
 Jupiter MOID = 1.61909 au 
 T_jup = 3.306 
[ 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 15.6   n/a MPO432610  
diameter diameter 4.054 km 0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108544 (2001 LO9)          Discovered 2001-Jun-15 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 LO9 = 1994 WE13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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