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21393 Kalygeringer (1998 FF34)
Classification: Main-belt Asteroid          SPK-ID: 2021393
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2004749064701386 3.2198e-08  
a 2.383573474944576 7.5965e-09 au
q 1.905726805490359 7.8077e-08 au
i 1.585251785955399 3.7477e-06 deg
node 300.7599326361608 0.00012191 deg
peri 341.1700465854017 0.00012225 deg
M 36.14328220960476 1.0358e-05 deg
tp 2459261.552037865974
(2021-Feb-16.05203787)
3.8373e-05 TDB
period 1344.129901831093
3.68
6.4257e-06
1.759e-08
d
yr
n .2678312561230697 1.2804e-09 deg/d
Q 2.861420144398793 9.1194e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1865  
   data-arc span      16532 days (45.26 yr)  
   first obs. used      1976-04-02  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50631  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:03:56  

Additional Information
 Earth MOID = .889094 au 
 Jupiter MOID = 2.2847 au 
 T_jup = 3.509 
[ 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 14.60   n/a E2021B10  
diameter diameter 3.791 km 0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.214   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21393 Kalygeringer           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Karen Lynn Geringer (b. 1988) is a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors, for her behavioral and social sciences project. She attends the Plainedge High School, North Massapequa, 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: 20050224/MPCPages.arcLast Updated: 2005-02-28

Alternate Designations
 1998 FF34 = 1976 GG5 = 1999 RD27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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