Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
13981 (1992 OT9)
Classification: Main-belt Asteroid          SPK-ID: 2013981
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0545139829898898 6.0702e-08  
a 2.793550405265256 2.9673e-08 AU
q 2.641262845991226 1.7696e-07 AU
i 7.700665548822347 5.7635e-06 deg
node 103.0082206703665 4.7592e-05 deg
peri 250.9190135712676 7.3249e-05 deg
M 240.5198180527547 5.8077e-05 deg
tp 2457566.513212769392
(2016-Jun-27.01321277)
0.00027858 JED
period 1705.427237187757
4.67
2.7172e-05
7.439e-08
d
yr
n .2110908000939627 3.3633e-09 deg/d
Q 2.945837964539286 3.129e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1018  
   data-arc span      8947 days (24.50 yr)  
   first obs. used      1989-12-29  
   last obs. used      2014-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46715  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:37:03  

Additional Information
 Earth MOID = 1.64744 AU 
 T_jup = 3.313 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2 mag n/a MPO299064  

13981 (1992 OT9)          Discovered 1992-Jul-28 by Debehogne, H., Lopez G., A. at La Silla
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 OT9 = 1989 YO6 = 1998 XS87 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-May-24 07:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin