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JPL Small-Body Database Browser
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146185 (2000 SD338)
Classification: Main-belt Asteroid          SPK-ID: 2146185
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09737649923156516 6.1332e-08  
a 3.0945372761168 3.4074e-08 au
q 2.793202069426962 1.8325e-07 au
i 23.09167436505141 6.6679e-06 deg
node 142.8882958332021 1.8034e-05 deg
peri 238.0189704240915 4.0657e-05 deg
M 135.6281879237255 3.6354e-05 deg
tp 2457851.400575938567
(2017-Apr-07.90057594)
0.00019832 TDB
period 1988.346204358168
5.44
3.2841e-05
8.991e-08
d
yr
n .1810549889204063 2.9904e-09 deg/d
Q 3.395872482806637 3.7392e-08 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      8087 days (22.14 yr)  
   first obs. used      1997-02-07  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67137  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:54:48  

Additional Information
 Earth MOID = 1.84629 au 
 Jupiter MOID = 2.12038 au 
 T_jup = 3.094 
[ 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 14.8   n/a MPO338247  
diameter diameter 6.260 km 0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146185 (2000 SD338)          Discovered 2000-Sep-25 by NEAT at Haleakala
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

Alternate Designations
 2000 SD338 = 2005 QR 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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