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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
85243 (1993 QG8)
Classification: Main-belt Asteroid          SPK-ID: 2085243
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2378188338012111 5.0565e-08  
a 3.196701838131752 2.8786e-08 au
q 2.436465934977071 1.7301e-07 au
i 9.307191794443099 3.9766e-06 deg
node 151.6844643272372 3.108e-05 deg
peri 257.9854482035001 3.1847e-05 deg
M 286.6268037576062 1.0564e-05 deg
tp 2459821.987259342882
(2022-Aug-30.48725934)
6.5273e-05 TDB
period 2087.62083714346
5.72
2.8198e-05
7.72e-08
d
yr
n .1724451076530719 2.3293e-09 deg/d
Q 3.956937741286433 3.5632e-08 au
  Orbit Determination Parameters
   # obs. used (total)      585  
   data-arc span      10217 days (27.97 yr)  
   first obs. used      1993-08-15  
   last obs. used      2021-08-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52433  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:53:51  

Additional Information
 Earth MOID = 1.46684 au 
 Jupiter MOID = 1.58904 au 
 T_jup = 3.130 
[ 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 14.94   n/a MPO637170  
diameter diameter 3.077 km 0.801 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.204   0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85243 (1993 QG8)          Discovered 1993-Aug-20 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1993 QG8 = 1999 TL245 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-23 16:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin