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 ]  
201531 (2003 QE39)
Classification: Main-belt Asteroid          SPK-ID: 2201531
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2903574530808546 8.0584e-08  
a 2.713499173476475 1.9251e-08 au
q 1.925614464528841 2.1442e-07 au
i 10.55697913661646 8.6446e-06 deg
node 341.1448937517335 3.0749e-05 deg
peri 31.22301569833981 3.2752e-05 deg
M 162.1572512156237 1.3057e-05 deg
tp 2457865.094556146768
(2017-Apr-21.59455615)
5.3998e-05 TDB
period 1632.649528790579
4.47
1.7374e-05
4.757e-08
d
yr
n .2205004770783096 2.3465e-09 deg/d
Q 3.501383882424108 2.484e-08 au
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      7139 days (19.55 yr)  
   first obs. used      1999-10-14  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52656  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:12:07  

Additional Information
 Earth MOID = .932325 au 
 Jupiter MOID = 2.0117 au 
 T_jup = 3.276 
[ 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 15.0   n/a MPO436980  

201531 (2003 QE39)          Discovered 2003-Aug-22 by NEAT at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ 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-Jan-29 08:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin