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215438 (2002 LL25)
Classification: Main-belt Asteroid          SPK-ID: 2215438
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1683091780652615 4.3828e-08  
a 2.413101726028339 1.5622e-08 au
q 2.006954557932645 1.0729e-07 au
i 11.66938550400313 4.5965e-06 deg
node 106.2165290082303 2.8259e-05 deg
peri 51.36089496113734 3.337e-05 deg
M 343.9217395813235 2.014e-05 deg
tp 2459061.650277212370
(2020-Jul-31.15027721)
7.6889e-05 TDB
period 1369.184179333349
3.75
1.3296e-05
3.64e-08
d
yr
n .2629302948674755 2.5532e-09 deg/d
Q 2.819248894124033 1.8251e-08 au
  Orbit Determination Parameters
   # obs. used (total)      516  
   data-arc span      9550 days (26.15 yr)  
   first obs. used      1993-12-09  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54165  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:23:27  

Additional Information
 Earth MOID = 1.03977 au 
 Jupiter MOID = 2.23918 au 
 T_jup = 3.471 
[ 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 16.0   n/a MPO454547  
diameter diameter 4.093 km 0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215438 (2002 LL25)          Discovered 2002-Jun-03 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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