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 ]  
78821 (2003 QB11)
Classification: Main-belt Asteroid          SPK-ID: 2078821
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1545484215142987 4.4531e-08  
a 2.75597639925393 1.5299e-08 au
q 2.330044597018575 1.2427e-07 au
i 12.91868547016865 3.9739e-06 deg
node 159.5905282261897 2.094e-05 deg
peri 251.7497237435082 2.3656e-05 deg
M 193.8044033747372 1.2503e-05 deg
tp 2459771.987120677535
(2022-Jul-11.48712068)
6.1071e-05 TDB
period 1671.135511912204
4.58
1.3915e-05
3.81e-08
d
yr
n .2154223864156105 1.7937e-09 deg/d
Q 3.181908201489286 1.7663e-08 au
  Orbit Determination Parameters
   # obs. used (total)      919  
   data-arc span      8005 days (21.92 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50142  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:24  

Additional Information
 Earth MOID = 1.3766 au 
 Jupiter MOID = 2.33368 au 
 T_jup = 3.290 
[ 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 14.8   n/a MPO474679  

78821 (2003 QB11)          Discovered 2003-Aug-20 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2003 QB11 = 2000 AX189 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Dec-05 00:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin