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14739 Edgarchavez (2000 EF21)
Classification: Main-belt Asteroid          SPK-ID: 2014739
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .121081209615925 1.6934e-08  
a 2.98785323081 1.3992e-08 au
q 2.626080347468676 5.4056e-08 au
i 9.624903293942326 2.7937e-07 deg
node 241.645101462787 2.5573e-06 deg
peri 139.8780683703719 7.1047e-06 deg
M 140.1477182249082 9.3679e-06 deg
tp 2458466.119988188885
(2018-Dec-13.61998819)
4.722e-05 TDB
period 1886.415330913423
5.16
1.3251e-05
3.628e-08
d
yr
n .1908381437006685 1.3406e-09 deg/d
Q 3.349626114151324 1.5686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2337  
   data-arc span      12235 days (33.50 yr)  
   first obs. used      1987-09-17  
   last obs. used      2021-03-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43759  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:38:08  

Additional Information
 Earth MOID = 1.63754 au 
 Jupiter MOID = 2.1204 au 
 T_jup = 3.225 
[ 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 12.81   n/a E2020-QM5  
diameter diameter 10.045 km 0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.90622 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.110   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14739 Edgarchavez           Discovered 2000 Mar. 3 by the Catalina Sky Survey.
Edgar Chavez (b. 1957) is an engineer who services electron microprobes at research institutions (such as the Lunar and Planetary Laboratory at the University of Arizona) used to analyze a variety of meteorites, terrestrial rocks and manmade materials.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100527/MPCPages.arcLast Updated: 2010-12-06

Alternate Designations
 2000 EF21 = 1987 SB20 = 1991 LB3 = 1998 YL28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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