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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
469774 (2005 QB81)
Classification: Main-belt Asteroid          SPK-ID: 2469774
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1146209466054493 8.8661e-08  
a 3.186827777362782 5.09e-08 au
q 2.82155056085292 2.758e-07 au
i 16.15866590462035 1.0642e-05 deg
node 170.0134968094609 3.1398e-05 deg
peri 234.8484861146829 7.6015e-05 deg
M 90.10435619212822 5.929e-05 deg
tp 2458080.408680931305
(2017-Nov-22.90868093)
0.00034312 TDB
period 2077.955858932017
5.69
4.9784e-05
1.363e-07
d
yr
n .1732471835013016 4.1506e-09 deg/d
Q 3.552104993872645 5.6734e-08 au
  Orbit Determination Parameters
   # obs. used (total)      60  
   data-arc span      6201 days (16.98 yr)  
   first obs. used      2002-02-13  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60716  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:02:06  

Additional Information
 Earth MOID = 1.86057 au 
 Jupiter MOID = 2.00825 au 
 T_jup = 3.126 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO382976  

469774 (2005 QB81)          Discovered 2005-Aug-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin