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 ]  
14416 (1991 RU7)
Classification: Main-belt Asteroid          SPK-ID: 2014416
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2095944579151435 4.086e-08  
a 2.307859753643411 7.1858e-09 au
q 1.824145139634344 9.5249e-08 au
i 6.736921463244658 5.9014e-06 deg
node 178.2005326263776 3.2155e-05 deg
peri 223.4617148778966 3.5012e-05 deg
M 281.8792967242596 1.3672e-05 deg
tp 2458878.392093728589
(2020-Jan-29.89209373)		 4.8875e-05 TDB
period 1280.597198276362
3.51		 5.9809e-06
1.637e-08		 d
yr
n .2811188408693594 1.3129e-09 deg/d
Q 2.791574367652478 8.6919e-09 au
   Orbit Determination Parameters
   # obs. used (total)      893  
   data-arc span      15392 days (42.14 yr)  
   first obs. used      1977-09-09  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55474  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 03:48:58  

Additional Information
 Earth MOID = .837967 au 
 Jupiter MOID = 2.6346 au 
 T_jup = 3.548 
[ 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 15.6   n/a MPO449053  

14416 (1991 RU7)          Discovered 1991-Sep-08 by Oak Ridge Observatory at Harvard
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RU7 = 1977 RS18 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin