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233114 (2005 ST221)
Classification: Main-belt Asteroid          SPK-ID: 2233114
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1989296603957324 4.4299e-08  
a 2.312155199074479 9.2136e-09 au
q 1.852198950540366 1.0454e-07 au
i 24.38565913349386 5.9695e-06 deg
node 238.9608965709713 1.2013e-05 deg
peri 204.6139102446622 2.0455e-05 deg
M 268.0647330007016 1.6939e-05 deg
tp 2458928.446908084695
(2020-Mar-19.94690808)
6.1019e-05 TDB
period 1284.174079914199
3.52
7.6758e-06
2.102e-08
d
yr
n .2803358248938128 1.6756e-09 deg/d
Q 2.772111447608592 1.1046e-08 au
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      7684 days (21.04 yr)  
   first obs. used      1998-11-14  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41546  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:52:51  

Additional Information
 Earth MOID = .881473 au 
 Jupiter MOID = 2.58315 au 
 T_jup = 3.440 
[ 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 15.8   n/a MPO454685  
diameter diameter 2.131 km 1.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.224   0.271 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233114 (2005 ST221)          Discovered 2005-Sep-30 by CSS at Catalina
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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