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JPL Small-Body Database Browser
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20214 Lorikenny (1997 GL21)
Classification: Main-belt Asteroid          SPK-ID: 2020214
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02245534193036747 3.1074e-08  
a 2.945104925567745 1.5163e-08 au
q 2.878971587443312 9.7591e-08 au
i 1.475254854186513 4.235e-06 deg
node 358.418777550537 0.000133 deg
peri 97.70141936455263 0.00016718 deg
M 325.7418171678406 0.00010064 deg
tp 2459176.175584429526
(2020-Nov-22.67558443)
0.00051622 TDB
period 1846.076036912871
5.05
1.4257e-05
3.903e-08
d
yr
n .1950082189474793 1.506e-09 deg/d
Q 3.011238263692178 1.5504e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1696  
   data-arc span      8315 days (22.77 yr)  
   first obs. used      1997-04-02  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53175  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 01:16:49  

Additional Information
 Earth MOID = 1.89626 au 
 Jupiter MOID = 2.01054 au 
 T_jup = 3.271 
[ 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 13.9   n/a MPO267783  
diameter diameter 3.811 km 0.364 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.305   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20214 Lorikenny           Discovered 1997 Apr. 6 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Lori Kenny mentored a finalist in the 2012 Intel Science Talent Search, a science competition for high-school seniors. She teaches at the Huntington High School, Huntington, New York.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120506/MPCPages.arcLast Updated: 2012-05-09

[ show close-approach data ]
Alternate Designations
 1997 GL21 = 1999 TG26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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