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 ]  
71149 (1999 XE186)
Classification: Main-belt Asteroid          SPK-ID: 2071149
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1565224884014672 4.0533e-08  
a 2.698256452710122 1.7453e-08 au
q 2.275918638386618 1.1244e-07 au
i 13.35621701846387 6.3411e-06 deg
node 45.48925648495879 1.8503e-05 deg
peri 235.751280313984 2.8117e-05 deg
M 280.563991177065 2.1486e-05 deg
tp 2458957.721983801928
(2020-Apr-18.22198380)
9.7171e-05 TDB
period 1618.912078719196
4.43
1.5707e-05
4.3e-08
d
yr
n .2223715572527041 2.1576e-09 deg/d
Q 3.120594267033626 2.0185e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1320  
   data-arc span      7487 days (20.50 yr)  
   first obs. used      1998-11-11  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46728  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:36:29  

Additional Information
 Earth MOID = 1.28895 au 
 Jupiter MOID = 2.05956 au 
 T_jup = 3.312 
[ 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 13.6   n/a MPO337798  
diameter diameter 5.254 km 0.349 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.232   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71149 (1999 XE186)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XE186 = 2000 YG134 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Oct-18 15:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin