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66934 Kalalova (1999 WF1)
Classification: Main-belt Asteroid          SPK-ID: 2066934
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1068498374975604 2.7157e-08  
a 2.440294366599557 7.7925e-09 au
q 2.179549310082182 6.6347e-08 au
i 6.137883025671275 8.744e-07 deg
node 64.31196317916415 1.1175e-05 deg
peri 59.05379220822167 1.4646e-05 deg
M 95.79308442584703 5.4225e-06 deg
tp 2458829.995566303705
(2019-Dec-12.49556630)
2.0779e-05 TDB
period 1392.392748705323
3.81
6.6694e-06
1.826e-08
d
yr
n .2585477411705396 1.2384e-09 deg/d
Q 2.701039423116931 8.6251e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2140  
   data-arc span      15460 days (42.33 yr)  
   first obs. used      1978-03-06  
   last obs. used      2020-07-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45496  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:25:59  

Additional Information
 Earth MOID = 1.2027 au 
 Jupiter MOID = 2.36884 au 
 T_jup = 3.486 
[ 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 4.512 km 0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.262   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66934 Kálalová           Discovered 1999 Nov. 26 by J. Ticha and M. Tichy at Klet.
Vlasta Kálalová-Di Lotti (1896-1971), a Czech physician interested in tropical diseases and entomology, came from the southern Bohemian town of Bernartice. In 1925, she founded a hospital in Baghdad (Mustausaf Cechoslovak), with a special focus on health services for women.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050721/MPCPages.arcLast Updated: 2005-07-21

Alternate Designations
 1999 WF1 = 1978 EP3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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