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18891 Kamler (2000 EF40)
Classification: Main-belt Asteroid          SPK-ID: 2018891
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .118991045620517 4.543e-08  
a 2.424986905380011 8.2502e-09 au
q 2.136435177892782 1.1304e-07 au
i 3.8401242825403 4.7486e-06 deg
node 349.3717940969963 4.5537e-05 deg
peri 16.43665957414923 4.7869e-05 deg
M 354.7212295513525 1.535e-05 deg
tp 2459220.725198822208
(2021-Jan-06.22519882)
5.8832e-05 TDB
period 1379.312028591906
3.78
7.0389e-06
1.927e-08
d
yr
n .2609996813900855 1.3319e-09 deg/d
Q 2.71353863286724 9.2319e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1231  
   data-arc span      14591 days (39.95 yr)  
   first obs. used      1981-03-02  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52818  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:41:21  

Additional Information
 Earth MOID = 1.13319 au 
 Jupiter MOID = 2.73987 au 
 T_jup = 3.498 
[ 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 15.23   n/a E2021B10  
diameter diameter 4.645 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18891 Kamler           Discovered 2000 Mar. 8 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Jonathan Jacques Kamler (b. 1985) was awarded third place in the 2003 Intel International Science and Engineering Fair for his physics project. He attends the Townsend Harris High School, Flushing, New York, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040830/MPCPages.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2000 EF40 = 1981 EF39 = 1990 SE14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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