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214446 (2005 ST3)
Classification: Main-belt Asteroid          SPK-ID: 2214446
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .213644062979188 4.7018e-08  
a 3.189537241059165 4.0807e-08 au
q 2.508111545855855 1.667e-07 au
i 17.7650906932921 7.6477e-06 deg
node 37.11119625711041 1.5881e-05 deg
peri 268.3844389981066 2.4461e-05 deg
M 263.6718419961392 2.0417e-05 deg
tp 2459557.224966562643
(2021-Dec-08.72496656)
0.00012364 TDB
period 2080.606461451473
5.70
3.9929e-05
1.093e-07
d
yr
n .1730264740929703 3.3206e-09 deg/d
Q 3.870962936262475 4.9525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      454  
   data-arc span      7525 days (20.60 yr)  
   first obs. used      1999-09-14  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56015  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:06:08  

Additional Information
 Earth MOID = 1.57206 au 
 Jupiter MOID = 1.75966 au 
 T_jup = 3.088 
[ 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 14.7   n/a MPO433401  
diameter diameter 7.605 km 0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

214446 (2005 ST3)          Discovered 2005-Sep-23 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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