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19401 (1998 ES11)
Classification: Main-belt Asteroid          SPK-ID: 2019401
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07991446350823725 3.8316e-08  
a 2.517425516589961 9.7633e-09 au
q 2.316246807009727 9.8263e-08 au
i 4.193565283444963 4.1822e-06 deg
node 46.07814995039835 4.6189e-05 deg
peri 107.8405893673514 5.3141e-05 deg
M 265.6792223492404 2.6577e-05 deg
tp 2459582.741858222279
(2022-Jan-03.24185822)
0.0001086 TDB
period 1458.926361586379
3.99
8.4872e-06
2.324e-08
d
yr
n .2467567997116388 1.4355e-09 deg/d
Q 2.718604226170194 1.0544e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1259  
   data-arc span      8889 days (24.34 yr)  
   first obs. used      1996-10-12  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54674  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:53:34  

Additional Information
 Earth MOID = 1.3299 au 
 Jupiter MOID = 2.26502 au 
 T_jup = 3.450 
[ 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 15.15   n/a MPCxxxxx  
diameter diameter 2.247 km 0.512 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.383   0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19401 (1998 ES11)          Discovered 1998-Mar-01 by Elst, E. W. at La Silla
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 ES11 = 2000 ST230 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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