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 ]  
79125 (1990 SZ4)
Classification: Main-belt Asteroid          SPK-ID: 2079125
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1492455695512117 3.9668e-08  
a 3.112998190056794 1.7174e-08 au
q 2.648397002169877 1.2662e-07 au
i 2.257246459137793 3.8199e-06 deg
node 55.99645262355074 0.00011467 deg
peri 262.3861951225182 0.00011531 deg
M 179.0828787951898 1.2994e-05 deg
tp 2458002.528140149431
(2017-Sep-06.02814015)
7.1199e-05 TDB
period 2006.165368589412
5.49
1.6602e-05
4.545e-08
d
yr
n .1794468220997782 1.485e-09 deg/d
Q 3.577599377943712 1.9738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1166  
   data-arc span      10733 days (29.39 yr)  
   first obs. used      1990-09-15  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5411  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:35:54  

Additional Information
 Earth MOID = 1.63644 au 
 Jupiter MOID = 1.72502 au 
 T_jup = 3.200 
[ 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 14.3   n/a MPO366153  
diameter diameter 7.322 km 0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79125 (1990 SZ4)          Discovered 1990-Sep-22 by Elst, E. W. at La Silla
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1990 SZ4 = 1995 OK1 
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-20 04:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin