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 ]  
390769 (2003 UN118)
Classification: Main-belt Asteroid          SPK-ID: 2390769
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .180340451267293 5.1964e-08  
a 2.637526689498773 2.9206e-08 au
q 2.161873936085034 1.4703e-07 au
i 4.72136786796481 6.3379e-06 deg
node 337.5365404320879 9.4104e-05 deg
peri 339.4556798610869 9.8094e-05 deg
M 272.4653761486765 3.1753e-05 deg
tp 2458980.926788011261
(2020-May-11.42678801)
0.00014216 TDB
period 1564.565398906244
4.28
2.5987e-05
7.115e-08
d
yr
n .2300958465856835 3.8218e-09 deg/d
Q 3.113179442912511 3.4473e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      21425 days (58.66 yr)  
   first obs. used      1960-09-28  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65303  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:07:21  

Additional Information
 Earth MOID = 1.14849 au 
 Jupiter MOID = 2.18894 au 
 T_jup = 3.369 
[ 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 16.7   n/a MPO437599  

390769 (2003 UN118)          Discovered 2003-Oct-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2003 UN118 = 2007 RQ20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-19 02:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin