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 ]  
13913 (1979 SO)
Classification: Main-belt Asteroid          SPK-ID: 2013913
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2282919095676674 4.1188e-08  
a 2.777257902460423 1.2041e-08 au
q 2.143232392545838 1.1636e-07 au
i 8.148903416324313 4.6573e-06 deg
node 8.407207142420241 2.4271e-05 deg
peri 351.003062461125 2.534e-05 deg
M 285.4413961450902 8.479e-06 deg
tp 2459350.620878858105
(2021-May-16.12087886)
4.095e-05 TDB
period 1690.52946101562
4.63
1.0994e-05
3.01e-08
d
yr
n .2129510359338682 1.3848e-09 deg/d
Q 3.411283412375008 1.4789e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1742  
   data-arc span      14877 days (40.73 yr)  
   first obs. used      1979-09-24  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48584  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:40:22  

Additional Information
 Earth MOID = 1.14052 au 
 Jupiter MOID = 2.04169 au 
 T_jup = 3.282 
[ 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 13.5   n/a MPO435832  
diameter diameter 11.746 km 0.152 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 15.504 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.049   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13913 (1979 SO)          Discovered 1979-Sep-25 by Mrkos, A. at Klet
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1979 SO = 1993 TD12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-26 01:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin