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 ]  
109400 (2001 QY179)
Classification: Main-belt Asteroid          SPK-ID: 2109400
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 .08365598150443129 3.1913e-08  
a 2.984146693258564 2.0555e-08 au
q 2.734504972680816 9.7819e-08 au
i 10.83314145993445 5.1114e-06 deg
node 23.80708763877859 1.78e-05 deg
peri 290.6381967315453 3.7334e-05 deg
M 256.153719885583 3.5088e-05 deg
tp 2459543.646671698952
(2021-Nov-25.14667170)
0.0001857 TDB
period 1882.906172432813
5.16
1.9454e-05
5.326e-08
d
yr
n .1911938073551807 1.9754e-09 deg/d
Q 3.233788413836312 2.2274e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1042  
   data-arc span      6869 days (18.81 yr)  
   first obs. used      2001-07-08  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51294  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:04:19  

Additional Information
 Earth MOID = 1.74552 au 
 Jupiter MOID = 2.0497 au 
 T_jup = 3.226 
[ 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 14.3   n/a MPO432617  
diameter diameter 5.071 km 0.369 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.05910 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 0.144   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109400 (2001 QY179)          Discovered 2001-Aug-25 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-11 16:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin