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 ]  
52591 (1997 QD)
Classification: Main-belt Asteroid          SPK-ID: 2052591
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3095961914833097 4.9808e-08  
a 2.629921210700559 1.2018e-08 au
q 1.815707619966491 1.3194e-07 au
i 13.00343622463872 6.0028e-06 deg
node 300.2904731513332 1.7945e-05 deg
peri 345.7070409077384 1.9418e-05 deg
M 140.0643696545353 7.0883e-06 deg
tp 2458394.409183212228
(2018-Oct-02.90918321)
2.8326e-05 TDB
period 1557.80299145146
4.27
1.0678e-05
2.923e-08
d
yr
n .2310946903912255 1.5841e-09 deg/d
Q 3.444134801434626 1.5739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      8191 days (22.43 yr)  
   first obs. used      1997-08-22  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49483  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:31:16  

Additional Information
 Earth MOID = .802222 au 
 Jupiter MOID = 1.77628 au 
 T_jup = 3.296 
[ 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 15.0   n/a MPO302352  
diameter diameter 2.932 km 0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.216   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52591 (1997 QD)          Discovered 1997-Aug-22 by Moravec, Z. at Klet
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-03 18:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin