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 ]  
434184 (2002 XX9)
Classification: Main-belt Asteroid          SPK-ID: 2434184
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2245694768032221 1.1824e-07  
a 2.327718815773329 1.9896e-08 au
q 1.804984219170097 2.8287e-07 au
i 11.06814727607158 1.0186e-05 deg
node 85.39548133224841 3.3446e-05 deg
peri 311.6324785504686 3.8142e-05 deg
M 255.666097075948 1.435e-05 deg
tp 2458976.438804156589
(2020-May-06.93880416)
5.1518e-05 TDB
period 1297.161955063531
3.55
1.6631e-05
4.553e-08
d
yr
n .2775289535703105 3.5582e-09 deg/d
Q 2.850453412376561 2.4364e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      6042 days (16.54 yr)  
   first obs. used      2002-11-14  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5728  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:35:02  

Additional Information
 Earth MOID = .833643 au 
 Jupiter MOID = 2.59395 au 
 T_jup = 3.515 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO437680  
diameter diameter 1.495 km 0.282 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.239   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

434184 (2002 XX9)          Discovered 2002-Dec-02 by LINEAR at Socorro
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin