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 ]  
266591 (2008 HX68)
Classification: Outer Main-belt Asteroid          SPK-ID: 2266591
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2449450145957927 6.6626e-08  
a 3.947862157915301 8.0871e-08 au
q 2.98085300402256 2.6471e-07 au
i 8.979003171520704 9.55e-06 deg
node 187.4914883250293 5.0623e-05 deg
peri 121.5943795537504 5.4989e-05 deg
M 97.55679818464857 1.8049e-05 deg
tp 2457824.080498140589
(2017-Mar-11.58049814)
0.00014 TDB
period 2865.110641908822
7.84
8.8037e-05
2.41e-07
d
yr
n .1256495978668933 3.8609e-09 deg/d
Q 4.914871311808042 1.0068e-07 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      6284 days (17.20 yr)  
   first obs. used      2001-08-25  
   last obs. used      2018-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56078  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:04:40  

Additional Information
 Earth MOID = 1.97908 au 
 Jupiter MOID = .80657 au 
 T_jup = 2.986 
[ 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 15.0   n/a MPO427480  

266591 (2008 HX68)          Discovered 2008-Apr-30 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-09 16:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin