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212280 (2005 LK1)
Classification: Main-belt Asteroid          SPK-ID: 2212280
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06295664965654124 5.5924e-08  
a 2.722712964823323 2.1514e-08 au
q 2.551300078581619 1.5373e-07 au
i 9.2097877898132 5.4826e-06 deg
node 164.1137448180284 3.4051e-05 deg
peri 39.5322873218439 5.8388e-05 deg
M 159.1763984035463 4.6709e-05 deg
tp 2458274.933222203328
(2018-Jun-05.43322220)
0.00021115 TDB
period 1640.972170664357
4.49
1.9449e-05
5.325e-08
d
yr
n .219382148238536 2.6002e-09 deg/d
Q 2.894125851065028 2.2868e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      8109 days (22.20 yr)  
   first obs. used      1997-08-12  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57981  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:45:28  

Additional Information
 Earth MOID = 1.55678 au 
 Jupiter MOID = 2.07399 au 
 T_jup = 3.336 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457187.5 (2015-Jun-14.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06157578029934783 5.6013e-08  
q 2.556667893963425 1.5381e-07 au
tp 2456636.543490297845
(2013-Dec-10.04349030)
0.00021347 TDB
node 164.2059115421219 3.4035e-05 deg
peri 40.43140429752949 5.9211e-05 deg
i 9.209720984129532 5.4824e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      8109 days (22.20 yr)  
   first obs. used      1997-08-12  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57981  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:45:28  

Additional Information
 Jupiter MOID = 2.07399 au 
 T_jup = 3.336 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.137405525047992E-15 -8.5404898361092E-15 -1.583678609743408E-12 8.359163418460902E-15 -5.01380344433025E-13 -3.031400198531875E-15
q -8.5404898361092E-15 2.36586390952447E-14 4.659500141128269E-12 -2.585285780188951E-14 1.472719128646129E-12 9.407939851466289E-15
tp -1.583678609743408E-12 4.659500141128269E-12 4.556752172441978E-8 -3.11630658310909E-11 1.035700374160033E-8 -1.768944172608152E-11
node 8.359163418460902E-15 -2.585285780188951E-14 -3.11630658310909E-11 1.158404666453561E-9 -1.150720305445525E-9 -1.617768702315901E-11
peri -5.01380344433025E-13 1.472719128646129E-12 1.035700374160033E-8 -1.150720305445525E-9 3.505982443039778E-9 1.217810430229921E-11
i -3.031400198531875E-15 9.407939851466289E-15 -1.768944172608152E-11 -1.617768702315901E-11 1.217810430229921E-11 3.005688351409662E-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 16.4   n/a MPO437019  
diameter diameter 3.238 km 0.681 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212280 (2005 LK1)          Discovered 2005-Jun-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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