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 ]  
13040 (1990 OB4)
Classification: Main-belt Asteroid          SPK-ID: 2013040
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2461855159693552 9.5173e-08  
a 2.646408946346895 2.5056e-08 AU
q 1.994901394424567 2.4737e-07 AU
i 11.49832311799751 8.4968e-06 deg
node 271.4420795744703 4.0661e-05 deg
peri 84.90876774065465 4.4329e-05 deg
M 167.2324549190468 2.1549e-05 deg
tp 2456070.030772247160
(2012-May-22.53077225)
8.8473e-05 JED
period 1572.475403284126
4.31
2.2332e-05
6.114e-08
d
yr
n .2289383981766185 3.2514e-09 deg/d
Q 3.297916498269223 3.1225e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      600  
   data-arc span      8666 days (23.73 yr)  
   first obs. used      1990-07-26  
   last obs. used      2014-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53306  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:51:05  

Additional Information
 Earth MOID = 1.02833 AU 
 T_jup = 3.321 
[ 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 13.5 mag n/a MPO259436  

13040 (1990 OB4)          Discovered 1990-Jul-29 by Holt, H. E. at Palomar (675)
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-24 22:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin