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 ]  
32317 (2000 QE44)
Classification: Main-belt Asteroid          SPK-ID: 2032317
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07233993138501831 5.9438e-08  
a 3.012784733392104 2.4734e-08 au
q 2.794840092500689 1.8317e-07 au
i 10.31167616303153 7.106e-06 deg
node 329.3729499869971 2.8562e-05 deg
peri 336.0294971141547 5.1627e-05 deg
M 226.2208215937926 4.5725e-05 deg
tp 2459310.300994542625
(2021-Apr-05.80099454)
0.0002448 TDB
period 1910.075701462734
5.23
2.3522e-05
6.44e-08
d
yr
n .188474205354433 2.321e-09 deg/d
Q 3.230729374283519 2.6524e-08 au
  Orbit Determination Parameters
   # obs. used (total)      651  
   data-arc span      14473 days (39.62 yr)  
   first obs. used      1979-08-26  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59849  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:31:13  

Additional Information
 Earth MOID = 1.78298 au 
 Jupiter MOID = 2.05085 au 
 T_jup = 3.220 
[ 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 MPO299188  
diameter diameter 4.604 km 1.331 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.174   0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

32317 (2000 QE44)          Discovered 2000-Aug-24 by LINEAR at Socorro
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 QE44 = 1979 QQ4 = 1998 ET17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin