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 ]  
392013 (2009 AL9)
Classification: Main-belt Asteroid          SPK-ID: 2392013
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2279016166141942 7.1365e-08  
a 2.616249922893515 2.7819e-08 au
q 2.020002335999322 1.8536e-07 au
i 15.1692504481613 1.0896e-05 deg
node 96.94137507232402 4.8699e-05 deg
peri 166.0699993336208 5.9884e-05 deg
M 13.57476360019578 3.4514e-05 deg
tp 2458542.216309387209
(2019-Feb-27.71630939)
0.00014809 TDB
period 1545.671750799568
4.23
2.4653e-05
6.75e-08
d
yr
n .2329084424385538 3.7148e-09 deg/d
Q 3.212497509787708 3.4159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      6232 days (17.06 yr)  
   first obs. used      2002-07-16  
   last obs. used      2019-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58593  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:08:23  

Additional Information
 Earth MOID = 1.00661 au 
 Jupiter MOID = 1.90667 au 
 T_jup = 3.322 
[ show covariance matrix ]

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 16.4   n/a MPO437604  
diameter diameter 1.380 km 0.261 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.233   0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

392013 (2009 AL9)          Discovered 2009-Jan-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2009 AL9 = 2010 GN65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin