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 ]  
173337 (1999 XZ11)
Classification: Main-belt Asteroid          SPK-ID: 2173337
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1345625825471427 5.6637e-08  
a 2.412674167645049 1.5284e-08 au
q 2.088018500801954 1.3594e-07 au
i 5.986741319504759 5.5675e-06 deg
node 313.7488099370019 5.6441e-05 deg
peri 88.20676906978632 6.0438e-05 deg
M 73.75764137093466 2.1601e-05 deg
tp 2458320.052897173901
(2018-Jul-20.55289717)
8.1288e-05 TDB
period 1368.820303101243
3.75
1.3007e-05
3.561e-08
d
yr
n .2630001901523323 2.4991e-09 deg/d
Q 2.737329834488145 1.7341e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      7035 days (19.26 yr)  
   first obs. used      1999-10-12  
   last obs. used      2019-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5475  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:55:14  

Additional Information
 Earth MOID = 1.10602 au 
 Jupiter MOID = 2.65765 au 
 T_jup = 3.499 
[ 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 16.0   n/a MPO417934  

173337 (1999 XZ11)          Discovered 1999-Dec-06 by CSS at Catalina
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ 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 2019-Dec-15 19:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin