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
JPL Small-Body Database Browser
Search: [ help ]  
193889 (2001 QW208)
Classification: Main-belt Asteroid          SPK-ID: 2193889
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1402877092939995 6.3156e-08  
a 2.227287800782269 1.2938e-08 au
q 1.914826697272055 1.3888e-07 au
i 2.794930467055095 8.2618e-06 deg
node 350.849190443137 0.00011532 deg
peri 336.5010719903529 0.00012014 deg
M 233.3733343636233 3.8311e-05 deg
tp 2459427.556763846502
(2021-Aug-01.05676385)
0.00013146 TDB
period 1214.123693553018
3.32
1.0579e-05
2.896e-08
d
yr
n .2965101512404341 2.5835e-09 deg/d
Q 2.539748904292483 1.4753e-08 au
  Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      6821 days (18.67 yr)  
   first obs. used      2001-08-16  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61506  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 05:58:20  

Additional Information
 Earth MOID = .903738 au 
 Jupiter MOID = 2.76751 au 
 T_jup = 3.630 
[ 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 17.3   n/a MPO470086  

193889 (2001 QW208)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-09 22:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin