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16911 (1998 EL6)
Classification: Main-belt Asteroid          SPK-ID: 2016911
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1346634996295606 3.4369e-08  
a 3.062181289543772 1.7089e-08 au
q 2.649817240593647 1.0709e-07 au
i 11.98355879591759 3.8401e-06 deg
node 175.5158319944138 1.7767e-05 deg
peri 184.3982858139325 2.2674e-05 deg
M 287.3375719415656 1.6186e-05 deg
tp 2459791.550103492357
(2022-Jul-31.05010349)
8.9448e-05 TDB
period 1957.243118037264
5.36
1.6384e-05
4.486e-08
d
yr
n .1839321833258049 1.5397e-09 deg/d
Q 3.474545338493897 1.9391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1480  
   data-arc span      10316 days (28.24 yr)  
   first obs. used      1993-03-19  
   last obs. used      2021-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55021  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:15:37  

Additional Information
 Earth MOID = 1.64563 au 
 Jupiter MOID = 1.98085 au 
 T_jup = 3.186 
[ 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 ]
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