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214460 (2005 SM128)
Classification: Main-belt Asteroid          SPK-ID: 2214460
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1678501628823445 3.8823e-08  
a 3.138819557446978 3.4404e-08 au
q 2.611968183471215 1.3773e-07 au
i 14.42916591740029 6.005e-06 deg
node 213.0935897539642 1.5991e-05 deg
peri 83.55334002246215 2.6226e-05 deg
M 291.5152946207274 2.1396e-05 deg
tp 2459386.901712773582
(2021-Jun-21.40171277)
0.00012453 TDB
period 2031.177849537636
5.56
3.3395e-05
9.143e-08
d
yr
n .1772370647316522 2.914e-09 deg/d
Q 3.665670931422742 4.0179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      366  
   data-arc span      15539 days (42.54 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51882  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:06:41  

Additional Information
 Earth MOID = 1.64659 au 
 Jupiter MOID = 1.7077 au 
 T_jup = 3.141 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO433402  
diameter diameter 5.225 km 0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.001 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

214460 (2005 SM128)          Discovered 2005-Sep-29 by LONEOS at Anderson Mesa
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2005 SM128 = 2487 T-3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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