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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
183398 (2002 XS91)
Classification: Main-belt Asteroid          SPK-ID: 2183398
[ 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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1316095957390458 9.0187e-08  
a 2.636978921653347 2.6097e-08 au
q 2.289927191802165 2.3949e-07 au
i 9.950892725469913 6.5886e-06 deg
node 265.6755035936511 4.6434e-05 deg
peri 253.1951371593569 5.2035e-05 deg
M 238.6926237335864 2.6302e-05 deg
tp 2459127.539448644480
(2020-Oct-05.03944864)		 0.00011699 TDB
period 1564.078025192147
4.28		 2.3219e-05
6.357e-08		 d
yr
n .230167545481482 3.4169e-09 deg/d
Q 2.984030651504528 2.9532e-08 au
   Orbit Determination Parameters
   # obs. used (total)      327  
   data-arc span      6250 days (17.11 yr)  
   first obs. used      2001-09-25  
   last obs. used      2018-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57592  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:17:25  

Additional Information
 Earth MOID = 1.3236 au 
 Jupiter MOID = 2.13211 au 
 T_jup = 3.363 
[ 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 15.6   n/a MPO417991  

183398 (2002 XS91)          Discovered 2002-Dec-04 by Buie, M. W. at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin