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 ]  
393044 (2013 AA18)
Classification: Main-belt Asteroid          SPK-ID: 2393044
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02179330578185266 5.7771e-08  
a 3.153382296352018 4.5663e-08 au
q 3.084659671720537 1.8106e-07 au
i 10.48571376187131 5.465e-06 deg
node 114.0840808056987 4.2004e-05 deg
peri 343.4098314594966 0.00018992 deg
M 137.255081796785 0.00018666 deg
tp 2458220.689108397143
(2018-Apr-12.18910840)
0.0010535 TDB
period 2045.329887258167
5.60
4.4427e-05
1.216e-07
d
yr
n .176010726798987 3.8231e-09 deg/d
Q 3.222104920983498 4.6658e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      6173 days (16.90 yr)  
   first obs. used      2003-06-02  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57627  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:25:34  

Additional Information
 Earth MOID = 2.10267 au 
 Jupiter MOID = 1.85725 au 
 T_jup = 3.181 
[ 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 15.6   n/a MPO434459  

393044 (2013 AA18)          Discovered 2008-Feb-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-07 07:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin