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 ]  
160831 (2000 XK39)
Classification: Main-belt Asteroid          SPK-ID: 2160831
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09684868430480852 7.7328e-08  
a 2.527580251625854 2.0575e-08 au
q 2.282787429781073 1.972e-07 au
i 12.28449462486452 7.9722e-06 deg
node 10.71248129852504 2.742e-05 deg
peri 23.45311351605754 4.289e-05 deg
M 248.9514909386638 3.6156e-05 deg
tp 2459053.257953726227
(2020-Jul-22.75795373)
0.00014822 TDB
period 1467.762734674941
4.02
1.7922e-05
4.907e-08
d
yr
n .24527124956591 2.9949e-09 deg/d
Q 2.772373073470634 2.2568e-08 au
  Orbit Determination Parameters
   # obs. used (total)      491  
   data-arc span      8832 days (24.18 yr)  
   first obs. used      1994-04-13  
   last obs. used      2018-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63183  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 06:33:06  

Additional Information
 Earth MOID = 1.29129 au 
 Jupiter MOID = 2.63743 au 
 T_jup = 3.414 
[ 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 14.8   n/a MPO251333  
diameter diameter 3.368 km 0.858 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.247   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160831 (2000 XK39)          Discovered 2000-Dec-04 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

Alternate Designations
 2000 XK39 = 1998 FS143 
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