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 ]  
33139 (1998 DU2)
Classification: Main-belt Asteroid          SPK-ID: 2033139
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ 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 .2723987642918619 1.239e-07  
a 2.533468080180123 2.1911e-08 AU
q 1.843354505766181 3.1987e-07 AU
i 10.17490165677279 9.8969e-06 deg
node 100.3920123000961 4.4436e-05 deg
peri 341.2662313095751 5.0387e-05 deg
M 57.93769499652471 2.2985e-05 deg
tp 2456563.455275410766
(2013-Sep-27.95527541)
9.4671e-05 JED
period 1472.894302357779
4.03
1.9108e-05
5.231e-08
d
yr
n .2444167238774156 3.1708e-09 deg/d
Q 3.223581654594064 2.788e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      6927 days (18.97 yr)  
   first obs. used      1995-06-05  
   last obs. used      2014-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57758  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:33:05  

Additional Information
 Earth MOID = .861726 AU 
 T_jup = 3.376 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO244477  

33139 (1998 DU2)          Discovered 1998-Feb-16 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 DU2 = 1995 LH1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-30 13:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin