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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1680099565364073 3.8407e-08  
a 3.139156616633435 3.396e-08 au
q 2.611747049911876 1.3691e-07 au
i 14.4287113102401 6.0044e-06 deg
node 213.0919789941271 1.5293e-05 deg
peri 83.5561458382353 2.5861e-05 deg
M 326.9736002716487 2.1731e-05 deg
tp 2459386.870270149141
(2021-Jun-21.37027015)
0.00012447 TDB
period 2031.505032505706
5.56
3.2966e-05
9.026e-08
d
yr
n .1772085199099741 2.8756e-09 deg/d
Q 3.666566183354993 3.9665e-08 au
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      15584 days (42.67 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52036  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:46:50  

Additional Information
 Earth MOID = 1.64456 au 
 Jupiter MOID = 1.70622 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 15.35   n/a E2021B55  
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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