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 ]  
332877 (2011 AL11)
Classification: Inner Main-belt Asteroid          SPK-ID: 2332877
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1289171039893855 7.9168e-08  
a 1.979488401104419 1.2781e-08 au
q 1.724298489053458 1.6021e-07 au
i 24.83079271154692 5.9841e-06 deg
node 114.4503131190607 1.7588e-05 deg
peri 274.7054031233758 2.7223e-05 deg
M 219.1932462238792 2.2747e-05 deg
tp 2459398.377017939753
(2021-Jul-02.87701794)
6.4584e-05 TDB
period 1017.250398983363
2.79
9.8524e-06
2.697e-08
d
yr
n .353895167168067 3.4276e-09 deg/d
Q 2.23467831315538 1.4429e-08 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      5748 days (15.74 yr)  
   first obs. used      2004-09-17  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54545  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:38:52  

Additional Information
 Earth MOID = .875914 au 
 Jupiter MOID = 3.16858 au 
 T_jup = 3.739 
[ 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 16.6   n/a MPO297636  

332877 (2011 AL11)          Discovered 2004-Sep-17 by LONEOS at Anderson Mesa
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-30 02:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin