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 ]  
413169 (2002 QL81)
Classification: Outer Main-belt Asteroid          SPK-ID: 2413169
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1896541349378841 6.3967e-08  
a 3.200667428770861 3.8878e-08 au
q 2.593647616343461 2.1848e-07 au
i 26.9905155127712 9.5327e-06 deg
node 150.7263021176549 1.3256e-05 deg
peri 237.8098228289425 2.9554e-05 deg
M 294.0423019305919 2.4056e-05 deg
tp 2458983.697124865765
(2020-May-14.19712487)
0.00014149 TDB
period 2091.506662444587
5.73
3.8107e-05
1.043e-07
d
yr
n .172124720644794 3.1361e-09 deg/d
Q 3.80768724119826 4.6251e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      6285 days (17.21 yr)  
   first obs. used      2002-08-12  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5555  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 14:34:49  

Additional Information
 Earth MOID = 1.67832 au 
 Jupiter MOID = 1.88944 au 
 T_jup = 2.998 
[ 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 15.7   n/a MPO450426  

413169 (2002 QL81)          Discovered 2002-Aug-30 by NEAT at Palomar
Reference: Last Updated: 2014-11-10

[ show close-approach data ]
Alternate Designations
 2002 QL81 = 2010 GF73 
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