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 ]  
315898 (2008 QD4)
Classification: Centaur          SPK-ID: 2315898
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3529928587038486 1.0123e-06  
a 8.424115522777507 1.4123e-05 AU
q 5.450462902340809 1.1315e-06 AU
i 42.0164094975327 1.5799e-05 deg
node 344.7018955625381 1.5405e-05 deg
peri 69.11809828279685 8.4602e-05 deg
M 63.12007624142092 0.00019723 deg
tp 2455434.650883315919
(2010-Aug-26.15088332)
0.0010953 JED
period 8930.687596925807
24.45
0.022458
6.149e-05
d
yr
n .04031044598670343 1.0137e-07 deg/d
Q 11.3977681432142 1.9108e-05 AU
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      2419 days (6.62 yr)  
   first obs. used      2008-08-25  
   last obs. used      2015-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      1  
   fit RMS      .48281  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-05 03:29:28  

Additional Information
 Earth MOID = 4.69328 AU 
 T_jup = 2.387 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.3 mag n/a MPO338977  

315898 (2008 QD4)          Discovered 2008-Aug-25 by La Sagra at La Sagra
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Jun-30 08:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin