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 ]  
58587 (1997 SK23)
Classification: Main-belt Asteroid          SPK-ID: 2058587
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1527932354348063 5.6064e-08  
a 2.435601461530601 1.2478e-08 au
q 2.063458033993597 1.3762e-07 au
i 1.380660890965015 5.6017e-06 deg
node 352.2581872758563 0.0001856 deg
peri 27.58755939790743 0.00018611 deg
M 246.3269305474654 1.2728e-05 deg
tp 2459038.892234125488
(2020-Jul-08.39223413)
4.9725e-05 TDB
period 1388.378136046335
3.80
1.0669e-05
2.921e-08
d
yr
n .2592953538040918 1.9926e-09 deg/d
Q 2.807744889067604 1.4384e-08 au
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      9006 days (24.66 yr)  
   first obs. used      1993-08-15  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57768  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 01:28:27  

Additional Information
 Earth MOID = 1.06512 au 
 Jupiter MOID = 2.65102 au 
 T_jup = 3.488 
[ 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 16.6   n/a MPO436191  
diameter diameter 2.306 km 0.322 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58587 (1997 SK23)          Discovered 1997-Sep-29 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 SK23 = 2001 VX39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-22 14:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin