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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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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457126.5 (2015-Apr-14.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1683666700537473 4.401e-08  
q 2.006804126711899 1.0776e-07 au
tp 2457693.540463531695
(2016-Nov-01.04046353)
7.111e-05 TDB
node 106.2579094374417 2.8265e-05 deg
peri 51.53402923040996 3.3338e-05 deg
i 11.66821128085284 4.5949e-06 deg
  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
 Jupiter MOID = 2.23918 au 
 T_jup = 3.471 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.936891507641503E-15 -4.708184952259256E-15 6.476598535926334E-13 8.07251854583217E-15 2.64654688079804E-13 1.459389726606205E-15
q -4.708184952259256E-15 1.161144821623123E-14 -1.248982694242736E-12 -1.727916917331377E-14 -5.829536544628823E-13 -2.871505812168524E-15
tp 6.476598535926334E-13 -1.248982694242736E-12 5.056698531696243E-9 2.986749457554252E-11 1.284630117373675E-9 7.161091839410575E-12
node 8.07251854583217E-15 -1.727916917331377E-14 2.986749457554252E-11 7.988865355479901E-10 -7.740888708002527E-10 -4.585963642463225E-11
peri 2.64654688079804E-13 -5.829536544628823E-13 1.284630117373675E-9 -7.740888708002527E-10 1.111396634195258E-9 4.683921370523199E-11
i 1.459389726606205E-15 -2.871505812168524E-15 7.161091839410575E-12 -4.585963642463225E-11 4.683921370523199E-11 2.11132901988376E-11

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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