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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07739125733658711 4.1474e-08  
a 3.094198141495103 1.6882e-08 au
q 2.854734256876266 1.276e-07 au
i 9.426374117157483 4.5323e-06 deg
node 171.8018194181273 2.2954e-05 deg
peri 181.975539552847 3.3697e-05 deg
M 129.5991948232699 2.5485e-05 deg
tp 2458284.817478645516
(2018-Jun-15.31747865)
0.00014002 TDB
period 1988.019354896126
5.44
1.627e-05
4.454e-08
d
yr
n .1810847560982674 1.482e-09 deg/d
Q 3.33366202611394 1.8188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2007  
   data-arc span      25573 days (70.02 yr)  
   first obs. used      1950-04-17  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47928  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:42:29  

Additional Information
 Earth MOID = 1.84948 au 
 Jupiter MOID = 2.09039 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 ]
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