Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
152558 (1990 SA)
Classification: Amor [NEO]          SPK-ID: 2152558
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 85 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4414331567259928 4.4353e-08  
a 2.013574429153846 6.75e-09 au
q 1.124715912589725 8.9293e-08 au
i 38.14281448768112 1.5176e-05 deg
node 172.1960637953231 7.0232e-06 deg
peri 115.1367562665746 2.0794e-05 deg
M 336.2682578154923 9.773e-06 deg
tp 2457469.298200483808
(2016-Mar-21.79820048)
2.8406e-05 JED
period 1043.638177998543
2.86
5.2478e-06
1.437e-08
d
yr
n .3449471355009231 1.7345e-09 deg/d
Q 2.902432945717967 9.7296e-09 au
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      8406 days (23.01 yr)  
   first obs. used      1990-09-14  
   last obs. used      2013-09-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51186  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 08:58:17  

Additional Information
 Earth MOID = .307492 au 
 Jupiter MOID = 3.06391 au 
 T_jup = 3.462 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8 mag n/a MPO266498  
diameter diameter 1.4 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543 based on assumed medium albedo (0.15)

152558 (1990 SA)          Discovered 1990-Sep-16 by McNaught, R. H. at Siding Spring
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Feb-11 04:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin