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 ]  
266702 (2009 QG9)
Classification: Main-belt Asteroid          SPK-ID: 2266702
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .178308569840474 4.2095e-08  
a 2.209067775491572 1.3982e-08 au
q 1.815172059762992 8.8833e-08 au
i 5.754248355067601 7.0215e-06 deg
node 261.3374777326719 9.3142e-05 deg
peri 27.9031618502748 9.7605e-05 deg
M 15.97569097421946 3.1423e-05 deg
tp 2458547.280702441791
(2019-Mar-04.78070244)
0.00010462 TDB
period 1199.256241991195
3.28
1.1386e-05
3.117e-08
d
yr
n .3001860548186691 2.8499e-09 deg/d
Q 2.602963491220151 1.6475e-08 au
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      8411 days (23.03 yr)  
   first obs. used      1996-11-06  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56998  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 17:22:20  

Additional Information
 Earth MOID = .800524 au 
 Jupiter MOID = 2.55942 au 
 T_jup = 3.631 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457506.5 (2016-Apr-28.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1782717789577497 4.1993e-08  
q 1.815466056037392 8.8614e-08 au
tp 2457348.597562415048
(2015-Nov-22.09756242)
0.00010426 TDB
node 261.3526441390164 9.32e-05 deg
peri 28.0916687651273 9.7678e-05 deg
i 5.752056426121789 7.0207e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      8411 days (23.03 yr)  
   first obs. used      1996-11-06  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56998  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 17:22:20  

Additional Information
 Jupiter MOID = 2.55942 au 
 T_jup = 3.631 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.763402647026276E-15 -3.695311850237193E-15 -1.065617711565224E-13 -7.480418046439262E-15 -4.943042140958521E-14 6.851357405496862E-16
q -3.695311850237193E-15 7.852520737098323E-15 2.248272563158272E-13 1.100429440887354E-14 1.138829081134183E-13 -1.0425003003714E-15
tp -1.065617711565224E-13 2.248272563158272E-13 1.086935211845971E-8 1.669426378310949E-10 3.17219603941898E-9 -1.749902673228765E-11
node -7.480418046439262E-15 1.100429440887354E-14 1.669426378310949E-10 8.686332902139163E-9 -8.591775116167635E-9 -4.492819557723753E-10
peri -4.943042140958521E-14 1.138829081134183E-13 3.17219603941898E-9 -8.591775116167635E-9 9.541028499373905E-9 4.415968586301841E-10
i 6.851357405496862E-16 -1.0425003003714E-15 -1.749902673228765E-11 -4.492819557723753E-10 4.415968586301841E-10 4.929045772953254E-11

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 17.3   n/a MPO494441  

266702 (2009 QG9)          Discovered 2009-Aug-19 by LINEAR at Socorro
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ 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 2020-Jan-26 18:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin