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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0810575233785512 3.2923e-08  
a 3.073874195430807 1.4663e-08 au
q 2.824713565971949 1.0629e-07 au
i 4.526327153474607 3.254e-06 deg
node 127.6914270725018 5.065e-05 deg
peri 202.9866513242907 5.5773e-05 deg
M 323.4805708714442 2.4334e-05 deg
tp 2459596.186653975236
(2022-Jan-16.68665398)
0.00013342 TDB
period 1968.464380372086
5.39
1.4085e-05
3.856e-08
d
yr
n .1828836750055653 1.3085e-09 deg/d
Q 3.323034824889665 1.5851e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2330  
   data-arc span      9890 days (27.08 yr)  
   first obs. used      1994-07-11  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47868  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 22:02:21  

Additional Information
 Earth MOID = 1.81356 au 
 Jupiter MOID = 1.9639 au 
 T_jup = 3.220 
[ 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 13.27   n/a MPO636332  
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-19 00:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin