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 ]  
215804 (2004 QG8)
Classification: Main-belt Asteroid          SPK-ID: 2215804
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2233078212350979 1.3696e-07  
a 3.184067972158386 7.4446e-08 au
q 2.47304069063124 3.9235e-07 au
i 15.63777955053116 1.14e-05 deg
node 38.63723162268914 2.2316e-05 deg
peri 269.4086669235016 4.3424e-05 deg
M 219.0750309701864 5.0483e-05 deg
tp 2459412.876533173154
(2021-Jul-17.37653317)
0.0003153 TDB
period 2075.257166673313
5.68
7.2781e-05
1.993e-07
d
yr
n .1734724764628032 6.0838e-09 deg/d
Q 3.895095253685531 9.107e-08 au
  Orbit Determination Parameters
   # obs. used (total)      374  
   data-arc span      5853 days (16.02 yr)  
   first obs. used      2003-03-23  
   last obs. used      2019-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56279  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:05:17  

Additional Information
 Earth MOID = 1.51993 au 
 Jupiter MOID = 1.73114 au 
 T_jup = 3.103 
[ 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 14.9   n/a MPO433412  
diameter diameter 4.649 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215804 (2004 QG8)          Discovered 2004-Aug-16 by Siding Spring Survey at Siding Spring
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2004 QG8 = 2003 FP44 
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