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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457834.5 (2017-Mar-22.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1286110031259149 7.918e-08  
q 1.725238297687599 1.6018e-07 au
tp 2457363.923698051767
(2015-Dec-07.42369805)
6.5556e-05 TDB
node 114.4728520577018 1.7592e-05 deg
peri 274.7493365812359 2.7246e-05 deg
i 24.82574253676555 5.9826e-06 deg
  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
 Jupiter MOID = 3.16858 au 
 T_jup = 3.739 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.26952943166208E-15 -1.265443459114382E-14 2.210041137515632E-12 -3.64876947064377E-14 6.520776270029162E-13 1.130617864509389E-14
q -1.265443459114382E-14 2.565686896616074E-14 -4.516378132748457E-12 7.388479087671032E-14 -1.321111652472683E-12 -2.173120713655071E-14
tp 2.210041137515632E-12 -4.516378132748457E-12 4.297555147328208E-9 1.365365490363438E-11 1.4128688575234E-9 -7.494132656163156E-12
node -3.64876947064377E-14 7.388479087671032E-14 1.365365490363438E-11 3.094811246009393E-10 -2.757603839770319E-10 -3.169340139422075E-11
peri 6.520776270029162E-13 -1.321111652472683E-12 1.4128688575234E-9 -2.757603839770319E-10 7.423343440445116E-10 2.655434960483482E-11
i 1.130617864509389E-14 -2.173120713655071E-14 -7.494132656163156E-12 -3.169340139422075E-11 2.655434960483482E-11 3.579132106899748E-11

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-31 05:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin