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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05449565891513344 5.9186e-08  
a 2.794402336804401 2.7925e-08 au
q 2.642119540186256 1.7484e-07 au
i 7.699912609373288 5.7349e-06 deg
node 103.0087048567325 4.5172e-05 deg
peri 250.5859891501083 7.1392e-05 deg
M 325.2615649040251 5.7697e-05 deg
tp 2457565.141600846007
(2016-Jun-25.64160085)
0.00027434 JED
period 1706.207436829247
4.67
2.5576e-05
7.002e-08
d
yr
n .2109942743357224 3.1628e-09 deg/d
Q 2.946685133422545 2.9447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1031  
   data-arc span      9298 days (25.46 yr)  
   first obs. used      1989-12-29  
   last obs. used      2015-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46441  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:13:12  

Additional Information
 Earth MOID = 1.64578 au 
 Jupiter MOID = 2.31305 au 
 T_jup = 3.312 
[ 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  
rotation period rot_per 5.9096 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

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 2016-Feb-11 17:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin