Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
48407 (1981 QL2)
Classification: Main-belt Asteroid          SPK-ID: 2048407
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1903651003444686 5.3571e-08  
a 2.26605230969277 8.7078e-09 au
q 1.834675034372291 1.2298e-07 au
i 5.773554287665712 6.5464e-06 deg
node 358.493990308218 3.9382e-05 deg
peri 6.330815249990726 4.1629e-05 deg
M 7.37770776678883 1.2889e-05 deg
tp 2457374.965799091210
(2015-Dec-18.46579909)
4.4539e-05 JED
period 1245.95777140212
3.41
7.1818e-06
1.966e-08
d
yr
n .288934350957079 1.6654e-09 deg/d
Q 2.697429585013249 1.0365e-08 au
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      12505 days (34.24 yr)  
   first obs. used      1981-08-27  
   last obs. used      2015-11-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50291  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 17:36:57  

Additional Information
 Earth MOID = .830872 au 
 Jupiter MOID = 2.75263 au 
 T_jup = 3.585 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag n/a MPO302335  

48407 (1981 QL2)          Discovered 1981-Aug-27 by Debehogne, H. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 QL2 = 1997 EA53 = 1998 QC16 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Feb-14 01:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin