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
JPL Small-Body Database Browser
Search: [ help ]  
79186 (1993 QN)
Classification: Main-belt Asteroid          SPK-ID: 2079186
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2911436342458344 4.5239e-08  
a 2.630034326521365 1.7144e-08 au
q 1.864316574506639 1.1612e-07 au
i 31.21257677395786 8.0547e-06 deg
node 313.7516545607514 7.8516e-06 deg
peri 48.77261378027874 1.5811e-05 deg
M 99.28568650477121 1.3309e-05 deg
tp 2458570.840227261898
(2019-Mar-28.34022726)
5.6361e-05 TDB
period 1557.903496777288
4.27
1.5233e-05
4.171e-08
d
yr
n .231079781735328 2.2594e-09 deg/d
Q 3.395752078536091 2.2135e-08 au
  Orbit Determination Parameters
   # obs. used (total)      932  
   data-arc span      9664 days (26.46 yr)  
   first obs. used      1993-08-20  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:36:54  

Additional Information
 Earth MOID = .940229 au 
 Jupiter MOID = 2.28363 au 
 T_jup = 3.142 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1   n/a MPO502633  
diameter diameter 3.908 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 50.110 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.410   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79186 (1993 QN)          Discovered 1993-Aug-20 by Helin, E. F., Alu, J. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1993 QN = 1998 VT32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-21 18:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin