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 ]  
2605 Sahade (1974 QA)
Classification: Main-belt Asteroid          SPK-ID: 2002605
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07711457665008559 4.3349e-08  
a 3.094177304578241 1.7251e-08 au
q 2.855571131655387 1.3451e-07 au
i 9.425698095920588 4.7917e-06 deg
node 171.8181930240704 2.3378e-05 deg
peri 181.9416313297335 3.4269e-05 deg
M 57.21487531915924 2.5644e-05 deg
tp 2458284.546859552556
(2018-Jun-15.04685955)
0.00014139 TDB
period 1987.999273381118
5.44
1.6626e-05
4.552e-08
d
yr
n .1810865853022797 1.5144e-09 deg/d
Q 3.332783477501096 1.8582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1845  
   data-arc span      25436 days (69.64 yr)  
   first obs. used      1950-04-17  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49512  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:17:53  

Additional Information
 Earth MOID = 1.84941 au 
 Jupiter MOID = 2.09058 au 
 T_jup = 3.199 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.4   n/a MPO416736  
diameter diameter 11.802 km 0.463 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.105   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2605 Sahade (1974 QA)          Discovered 1974-Aug-16 by Felix Aguilar Observatory at El Leoncito
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1974 QA = 1979 NC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-15 18:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin