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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1137660580117281 5.3634e-08  
a 3.051855579644398 2.6985e-08 au
q 2.704658000727157 1.5934e-07 au
i 6.987445967032508 5.3098e-06 deg
node 153.277826768182 4.6266e-05 deg
peri 81.87845356337472 5.3205e-05 deg
M 16.26129099370999 2.3901e-05 deg
tp 2459308.537631524379
(2021-Apr-04.03763152)
0.00012958 TDB
period 1947.351699411345
5.33
2.5828e-05
7.071e-08
d
yr
n .1848664522740409 2.4519e-09 deg/d
Q 3.399053158561639 3.0055e-08 au
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      5902 days (16.16 yr)  
   first obs. used      2005-06-11  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54546  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 03:26:37  

Additional Information
 Earth MOID = 1.70539 au 
 Jupiter MOID = 1.63521 au 
 T_jup = 3.215 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458042.5 (2017-Oct-16.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1140618450123878 5.3733e-08  
q 2.705469633383497 1.5974e-07 au
tp 2457356.479889447003
(2015-Nov-29.97988945)
0.00013771 TDB
node 153.3031917541746 4.6274e-05 deg
peri 81.32021987387095 5.3147e-05 deg
i 6.985796744509833 5.3087e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      5902 days (16.16 yr)  
   first obs. used      2005-06-11  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54546  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 03:26:37  

Additional Information
 Jupiter MOID = 1.63521 au 
 T_jup = 3.215 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.887239759135018E-15 -8.492809658872247E-15 -1.72215084261006E-12 -3.092760893191684E-14 -2.636174612320928E-13 -6.650252137746351E-15
q -8.492809658872247E-15 2.55168281530641E-14 3.888300222018591E-12 9.106747696743381E-14 5.830783198563243E-13 2.001177330080432E-14
tp -1.72215084261006E-12 3.888300222018591E-12 1.896468974213393E-8 4.8588342606913E-11 3.633915060861864E-9 9.934787641565742E-13
node -3.092760893191684E-14 9.106747696743381E-14 4.8588342606913E-11 2.141296493811465E-9 -2.116119208378561E-9 4.187286852135555E-11
peri -2.636174612320928E-13 5.830783198563243E-13 3.633915060861864E-9 -2.116119208378561E-9 2.82458626531933E-9 -4.151607207117425E-11
i -6.650252137746351E-15 2.001177330080432E-14 9.934787641565742E-13 4.187286852135555E-11 -4.151607207117425E-11 2.818274248347803E-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 16.56   n/a MPO638111  
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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