Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
16911 (1998 EL6)
Classification: Main-belt Asteroid          SPK-ID: 2016911
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1345464944775302 3.4836e-08  
a 3.061443195468037 1.7452e-08 au
q 2.649536745475724 1.08e-07 au
i 11.98365531533647 3.8766e-06 deg
node 175.5205281648555 1.7774e-05 deg
peri 184.496680955294 2.2707e-05 deg
M 251.1590440407775 1.6169e-05 deg
tp 2459792.031099012293
(2022-Jul-31.53109901)
9.0122e-05 TDB
period 1956.5355133798
5.36
1.673e-05
4.58e-08
d
yr
n .1839987046174905 1.5733e-09 deg/d
Q 3.473349645460349 1.98e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1446  
   data-arc span      9986 days (27.34 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55523  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:46:19  

Additional Information
 Earth MOID = 1.64457 au 
 Jupiter MOID = 1.9816 au 
 T_jup = 3.187 
[ 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 13.8   n/a MPO473992  
diameter diameter 5.458 km 0.361 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.236   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16911 (1998 EL6)          Discovered 1998-Mar-01 by ODAS at Caussols
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 EL6 = 1999 JL93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-15 06:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin