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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 
[ 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 16.4   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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2197-Jun-21 10:41 00:06 Eunom 0.0436109125235775 0.0435358257081199 0.0436860435689593 7.32038451431762 7.32038447034677 2523669.944962351 6.39716176635264 4337.45764164654 71.3644854198005 30.3247615298967 46160.032687153 T 13 CATAB v2.0f-lin.ifort 2019-Nov-07 23:45:31 2019-Nov-07 23:45
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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