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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1523109032474461 5.5937e-08  
a 2.433923505334665 1.2482e-08 au
q 2.063210417801952 1.3717e-07 au
i 1.381093662656782 5.6014e-06 deg
node 352.1837390327466 0.00018556 deg
peri 27.89948185078958 0.00018608 deg
M 349.825250541277 1.2951e-05 deg
tp 2459039.699455765683
(2020-Jul-09.19945577)
4.9957e-05 TDB
period 1386.943642484244
3.80
1.0669e-05
2.921e-08
d
yr
n .2595635388292928 1.9967e-09 deg/d
Q 2.804636592867378 1.4383e-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 = 1.06572 au 
 Jupiter MOID = 2.65654 au 
 T_jup = 3.489 
[ 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)  
rotation period rot_per 5.43 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) ArXiv:1901.08719.]
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2006-Oct-20 10:03 < 00:01 Juno 0.0147851499576433 0.0147835760471192 0.0147867239701385 5.22068764550055 5.22068748788737 2454028.918842554 0.571463340546069 109.389828667876 46.7874814004557 -50.4493602576176 38633.7093071038 T 11 CATAB v2.0e-lin.ifort 2018-Oct-04 01:28:30 2018-Dec-17 16:53

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-Feb-23 05:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin