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 ]  
434123 (2002 QB39)
Classification: Main-belt Asteroid          SPK-ID: 2434123
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2112379312128171 8.0101e-08  
a 2.308274339716634 1.3225e-08 au
q 1.820679243523261 1.8964e-07 au
i 2.681660838974529 7.1909e-06 deg
node 155.3601319239477 0.00015019 deg
peri 200.3475207456888 0.00015129 deg
M 17.47350342009427 1.8535e-05 deg
tp 2458938.326251658874
(2020-Mar-29.82625166)
6.5635e-05 TDB
period 1280.94228528126
3.51
1.1008e-05
3.014e-08
d
yr
n .2810431072005353 2.4153e-09 deg/d
Q 2.795869435910008 1.6018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      6139 days (16.81 yr)  
   first obs. used      2002-08-30  
   last obs. used      2019-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64923  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:34:58  

Additional Information
 Earth MOID = .816372 au 
 Jupiter MOID = 2.64687 au 
 T_jup = 3.555 
[ 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 18.1   n/a MPO477033  

434123 (2002 QB39)          Discovered 2002-Aug-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-12 13:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin