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212287 (2005 LG38)
Classification: Main-belt Asteroid          SPK-ID: 2212287
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1139529422878059 8.9846e-08  
a 3.052737064434535 4.3583e-08 au
q 2.70486869391118 2.9357e-07 au
i 6.986966606355081 1.0119e-05 deg
node 153.2753002011932 5.6543e-05 deg
peri 81.72960988197549 7.7443e-05 deg
M 303.2007177936093 6.0419e-05 deg
tp 2459307.878065481621
(2021-Apr-03.37806548)
0.00033106 TDB
period 1948.195457317473
5.33
4.1721e-05
1.142e-07
d
yr
n .1847863871398687 3.9572e-09 deg/d
Q 3.400605434957889 4.8549e-08 au
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      5348 days (14.64 yr)  
   first obs. used      2005-06-11  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60023  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:43:27  

Additional Information
 Earth MOID = 1.70525 au 
 Jupiter MOID = 1.63563 au 
 T_jup = 3.215 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457210.5 (2015-Jul-07.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1139809801327532 9.0697e-08  
q 2.704628572035292 2.9657e-07 au
tp 2457355.181443732659
(2015-Nov-28.68144373)
0.00030408 TDB
node 153.3052926127568 5.6549e-05 deg
peri 81.01928998401307 7.7134e-05 deg
i 6.98665617733274 1.012e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      5348 days (14.64 yr)  
   first obs. used      2005-06-11  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60023  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:43:27  

Additional Information
 Jupiter MOID = 1.63563 au 
 T_jup = 3.215 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.225903872968303E-15 -2.671574492153863E-14 -2.1106811073707E-11 -9.055398818897282E-14 -3.56773265727799E-12 -5.432415873020786E-15
q -2.671574492153863E-14 8.795270019873741E-14 7.095008687700124E-11 2.975758319114878E-13 1.199460039737989E-11 1.71605424742182E-14
tp -2.1106811073707E-11 7.095008687700124E-11 9.246387964693739E-8 3.564558938422903E-10 1.601519407459688E-8 2.575209776228087E-11
node -9.055398818897282E-14 2.975758319114878E-13 3.564558938422903E-10 3.197749433908476E-9 -3.11069189871433E-9 2.866239359627446E-10
peri -3.56773265727799E-12 1.199460039737989E-11 1.601519407459688E-8 -3.11069189871433E-9 5.949598400235213E-9 -2.79995398698146E-10
i -5.432415873020786E-15 1.71605424742182E-14 2.575209776228087E-11 2.866239359627446E-10 -2.79995398698146E-10 1.024121901601783E-10

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 16.4   n/a MPO422825  
diameter diameter 2.581 km 0.875 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212287 (2005 LG38)          Discovered 2005-Jun-11 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2005 LG38 = 2008 YS84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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