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152225 (2005 ST2)
Classification: Main-belt Asteroid          SPK-ID: 2152225
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1965047998644071 4.2387e-08  
a 3.099218154038642 2.4426e-08 au
q 2.490206910943142 1.2674e-07 au
i 8.608747998921139 5.1479e-06 deg
node 178.4996863833821 3.1486e-05 deg
peri 255.7628113770461 3.4113e-05 deg
M 244.5925300145584 1.5602e-05 deg
tp 2459839.363486735437
(2022-Sep-16.86348674)
9.1154e-05 TDB
period 1992.859346572367
5.46
2.356e-05
6.45e-08
d
yr
n .1806449615318736 2.1356e-09 deg/d
Q 3.708229397134143 2.9226e-08 au
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      9025 days (24.71 yr)  
   first obs. used      1994-09-11  
   last obs. used      2019-05-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61781  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:26:13  

Additional Information
 Earth MOID = 1.52157 au 
 Jupiter MOID = 1.70249 au 
 T_jup = 3.175 
[ 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 15.4   n/a MPO436769  
diameter diameter 5.180 km 0.559 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

152225 (2005 ST2)          Discovered 2005-Sep-23 by CSS at Catalina
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 2005 ST2 = 2000 XT54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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