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JPL Small-Body Database Browser
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17773 (1998 EX13)
Classification: Main-belt Asteroid          SPK-ID: 2017773
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08018313337606174 3.7318e-08  
a 3.07259304536873 1.7677e-08 au
q 2.826222907401569 1.1591e-07 au
i 4.525979812918566 4.1121e-06 deg
node 127.6890816037682 5.4197e-05 deg
peri 203.3737952775675 6.0156e-05 deg
M 177.3585848208372 2.6649e-05 deg
tp 2457631.317183079979
(2016-Aug-30.81718308)
0.00014412 TDB
period 1967.233863777514
5.39
1.6976e-05
4.648e-08
d
yr
n .182998069842455 1.5792e-09 deg/d
Q 3.31896318333589 1.9094e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1834  
   data-arc span      9067 days (24.82 yr)  
   first obs. used      1994-07-11  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50491  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:32:51  

Additional Information
 Earth MOID = 1.815 au 
 Jupiter MOID = 1.9679 au 
 T_jup = 3.221 
[ 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 13.2   n/a MPO347663  
diameter diameter 15.473 km 5.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.039   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

17773 (1998 EX13)          Discovered 1998-Mar-01 by Elst, E. W. at La Silla
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 EX13 = 1994 NS5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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