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 ]  
268268 (2005 OJ18)
Classification: Main-belt Asteroid          SPK-ID: 2268268
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1970926479130032 5.1663e-08  
a 2.241856176244275 1.0027e-08 au
q 1.80000280622817 1.1788e-07 au
i 5.145360002240279 5.8591e-06 deg
node 171.3981684598378 5.253e-05 deg
peri 133.4440742475662 5.5675e-05 deg
M 164.6993973928912 1.461e-05 deg
tp 2458439.581766701811
(2018-Nov-17.08176670)
4.8882e-05 TDB
period 1226.055269076923
3.36
8.2258e-06
2.252e-08
d
yr
n .2936246098196195 1.97e-09 deg/d
Q 2.683709546260379 1.2004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      8307 days (22.74 yr)  
   first obs. used      1995-08-22  
   last obs. used      2018-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55965  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 17:00:14  

Additional Information
 Earth MOID = .78986 au 
 Jupiter MOID = 2.57281 au 
 T_jup = 3.603 
[ 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 17.2   n/a MPO450150  

268268 (2005 OJ18)          Discovered 2005-Jul-30 by NEAT at Palomar
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ 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 2020-Feb-19 07:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin