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 ]  
243685 (1999 XB135)
Classification: Main-belt Asteroid          SPK-ID: 2243685
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3900952798827625 9.6563e-08  
a 3.171434803920163 5.0991e-08 au
q 1.934273056454993 3.1249e-07 au
i 21.94677286578927 1.3615e-05 deg
node 92.30042721702686 3.2116e-05 deg
peri 280.5163829422248 3.5686e-05 deg
M 186.1190502859338 2.111e-05 deg
tp 2459596.895165213213
(2022-Jan-17.39516521)
0.00014093 TDB
period 2062.918681239174
5.65
4.9752e-05
1.362e-07
d
yr
n .1745100295391924 4.2087e-09 deg/d
Q 4.408596551385333 7.0883e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      7125 days (19.51 yr)  
   first obs. used      1999-11-05  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64398  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:37:51  

Additional Information
 Earth MOID = 1.06726 au 
 Jupiter MOID = 1.84674 au 
 T_jup = 2.974 
[ 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 15.5   n/a MPO224333  
diameter diameter 4.404 km 0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243685 (1999 XB135)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ 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-07 17:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin