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 ]  
109322 (2001 QU139)
Classification: Main-belt Asteroid          SPK-ID: 2109322
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2279786472774591 4.4902e-08  
a 2.768368084211808 1.4247e-08 au
q 2.137239273207109 1.2901e-07 au
i 11.62032801510805 6.777e-06 deg
node 341.9865839663183 1.9784e-05 deg
peri 53.16663914397608 2.4998e-05 deg
M 20.32324595705672 1.3763e-05 deg
tp 2458905.521621733969
(2020-Feb-26.02162173)
6.418e-05 TDB
period 1682.419050973445
4.61
1.2988e-05
3.556e-08
d
yr
n .2139776055149308 1.6519e-09 deg/d
Q 3.399496895216508 1.7496e-08 au
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      8805 days (24.11 yr)  
   first obs. used      1996-09-21  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5172  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:12:46  

Additional Information
 Earth MOID = 1.16477 au 
 Jupiter MOID = 2.18342 au 
 T_jup = 3.271 
[ 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 14.9   n/a MPO226732  
diameter diameter 2.757 km 0.403 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.336   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109322 (2001 QU139)          Discovered 2001-Aug-22 by LINEAR at Socorro
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-Dec-05 13:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin