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JPL Small-Body Database Browser
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108558 (2001 LL15)
Classification: Main-belt Asteroid          SPK-ID: 2108558
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04570432784788099 4.8035e-08  
a 3.078200574379145 3.1757e-08 au
q 2.937513486146184 1.4449e-07 au
i 13.08101093071424 4.9411e-06 deg
node 97.56439991976838 2.1404e-05 deg
peri 126.81778103893 5.8675e-05 deg
M 198.7625505671595 5.6837e-05 deg
tp 2459884.001351086386
(2022-Oct-31.50135109)
0.00031461 TDB
period 1972.621667670197
5.40
3.0526e-05
8.358e-08
d
yr
n .1824982488533571 2.8242e-09 deg/d
Q 3.218887662612105 3.3208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      573  
   data-arc span      6776 days (18.55 yr)  
   first obs. used      2001-04-14  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5839  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:10:47  

Additional Information
 Earth MOID = 1.94396 au 
 Jupiter MOID = 1.88211 au 
 T_jup = 3.187 
[ 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 14.7   n/a MPO412767  
diameter diameter 4.401 km 0.678 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.132   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108558 (2001 LL15)          Discovered 2001-Jun-12 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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