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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02263579738169152 3.0148e-08  
a 2.94575201389313 1.3727e-08 au
q 2.879072568169936 9.3382e-08 au
i 1.475237232000615 3.7225e-06 deg
node 358.4136503319889 0.00013106 deg
peri 97.35423400179955 0.0001605 deg
M 5.079623145044681 9.1114e-05 deg
tp 2459174.443163111711
(2020-Nov-20.94316311)
0.0004674 TDB
period 1846.684490548303
5.06
1.2908e-05
3.534e-08
d
yr
n .194943966791594 1.3626e-09 deg/d
Q 3.012431459616325 1.4037e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1958  
   data-arc span      8753 days (23.96 yr)  
   first obs. used      1997-04-02  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50752  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:01:41  

Additional Information
 Earth MOID = 1.8961 au 
 Jupiter MOID = 2.00927 au 
 T_jup = 3.270 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.94   n/a E2021B10  
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

Alternate Designations
 1997 GL21 = 1999 TG26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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