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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1904343724453954 1.1222e-07  
a 2.265798027377032 1.499e-08 AU
q 1.834312201945472 2.4644e-07 AU
i 5.773512771044689 8.3209e-06 deg
node 358.498242003204 4.5253e-05 deg
peri 6.385457753215165 4.7262e-05 deg
M 251.7519428964132 1.685e-05 deg
tp 2457375.082796643171
(2015-Dec-18.58279664)
6.108e-05 JED
period 1245.74805682192
3.41
1.2362e-05
3.385e-08
d
yr
n .2889829914071156 2.8678e-09 deg/d
Q 2.697283852808592 1.7845e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      780  
   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      .49775  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 04:16:54  

Additional Information
 Earth MOID = .832466 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 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 2015-Apr-01 16:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin