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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1904863651909506 1.1227e-07  
a 2.265582286472796 1.5054e-08 AU
q 1.834019751681591 2.4645e-07 AU
i 5.773792771351723 8.3221e-06 deg
node 358.5004377020685 4.5288e-05 deg
peri 6.4146124150174 4.73e-05 deg
M 193.9128030660191 1.6424e-05 deg
tp 2457375.147924355535
(2015-Dec-18.64792436)
6.1041e-05 JED
period 1245.570137776627
3.41
1.2414e-05
3.399e-08
d
yr
n .2890242701568044 2.8806e-09 deg/d
Q 2.697144821264002 1.7921e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      763  
   data-arc span      11934 days (32.67 yr)  
   first obs. used      1981-08-27  
   last obs. used      2014-04-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50239  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 07:18:26  

Additional Information
 Earth MOID = .83071 AU 
 T_jup = 3.586 
[ 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 14.9 mag n/a MPO259661  

48407 (1981 QL2)          Discovered 1981-Aug-27 by Debehogne, H. at La Silla (809)
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 2014-Jul-23 08:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin