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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09751264040369324 5.8915e-08  
a 3.094098768061255 3.0582e-08 au
q 2.792385027517788 1.7898e-07 au
i 23.093043164274 5.1059e-06 deg
node 142.8911520888408 1.7562e-05 deg
peri 237.8456940643713 3.5307e-05 deg
M 208.2620212414632 3.3637e-05 deg
tp 2459838.398629618859
(2022-Sep-15.89862962)
0.00019255 TDB
period 1987.923584660369
5.44
2.9473e-05
8.069e-08
d
yr
n .1810934800401319 2.6849e-09 deg/d
Q 3.395812508604723 3.3564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      435  
   data-arc span      8512 days (23.30 yr)  
   first obs. used      1997-02-07  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64149  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:46:05  

Additional Information
 Earth MOID = 1.84601 au 
 Jupiter MOID = 2.12288 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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