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 ]  
15713 (1989 SM4)
Classification: Main-belt Asteroid          SPK-ID: 2015713
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1352652607431966 4.3934e-08  
a 3.047519796147013 1.9387e-08 au
q 2.635296236301134 1.3981e-07 au
i 2.520625555018798 4.3709e-06 deg
node 108.9579534982372 0.00010647 deg
peri 245.1292729480197 0.00010765 deg
M 297.3886814737102 1.778e-05 deg
tp 2459338.462550432362
(2021-May-03.96255043)
9.742e-05 TDB
period 1943.203258122792
5.32
1.8543e-05
5.077e-08
d
yr
n .1852611138310738 1.7678e-09 deg/d
Q 3.459743355992892 2.2009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1284  
   data-arc span      10819 days (29.62 yr)  
   first obs. used      1989-09-26  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52635  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:21:13  

Additional Information
 Earth MOID = 1.63152 au 
 Jupiter MOID = 1.97386 au 
 T_jup = 3.222 
[ 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 13.8   n/a MPO347648  
diameter diameter 8.112 km 0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.097   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15713 (1989 SM4)          Discovered 1989-Sep-26 by Elst, E. W. at La Silla
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 SM4 = 1993 KM3 = 1994 PP23 
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-26 02:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin