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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2136440627043387 4.7013e-08  
a 3.189537240089171 4.0732e-08 au
q 2.508111545969737 1.667e-07 au
i 17.7650906272432 7.6285e-06 deg
node 37.11119613383475 1.5842e-05 deg
peri 268.3844396649113 2.4396e-05 deg
M 263.671841741223 2.0406e-05 deg
tp 2459557.224967781956
(2021-Dec-08.72496778)
0.00012359 TDB
period 2080.606460502351
5.70
3.9856e-05
1.091e-07
d
yr
n .1730264741719008 3.3145e-09 deg/d
Q 3.870962934208605 4.9434e-08 au
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      7554 days (20.68 yr)  
   first obs. used      1999-09-14  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:48:19  

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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