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 ]  
109416 (2001 QB189)
Classification: Main-belt Asteroid          SPK-ID: 2109416
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .179467453852709 4.7697e-08  
a 2.554211846560853 1.2916e-08 au
q 2.09581394985815 1.232e-07 au
i 2.922193522682002 5.2421e-06 deg
node 106.1520259888162 8.8025e-05 deg
peri 317.6590449058446 8.9087e-05 deg
M 141.4495392812269 1.5748e-05 deg
tp 2458414.654854441404
(2018-Oct-23.15485444)
6.3425e-05 TDB
period 1491.02113356325
4.08
1.1309e-05
3.096e-08
d
yr
n .241445269886732 1.8313e-09 deg/d
Q 3.012609743263555 1.5234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      670  
   data-arc span      7746 days (21.21 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54388  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:04:45  

Additional Information
 Earth MOID = 1.11032 au 
 Jupiter MOID = 2.30187 au 
 T_jup = 3.414 
[ 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 15.7   n/a MPO320265  

109416 (2001 QB189)          Discovered 2001-Aug-22 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 QB189 = 1999 CS44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-19 00:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin