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357768 (2005 ST147)
Classification: Main-belt Asteroid          SPK-ID: 2357768
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1075850719981301 5.5472e-08  
a 3.103114345522769 4.5179e-08 au
q 2.769265565241271 1.7235e-07 au
i 4.710682714029701 5.7588e-06 deg
node 182.0967204091262 8.1444e-05 deg
peri 221.8277814938722 8.7728e-05 deg
M 232.2743670448683 3.6711e-05 deg
tp 2459708.887123291461
(2022-May-09.38712329)
0.00021212 TDB
period 1996.618521158637
5.47
4.3604e-05
1.194e-07
d
yr
n .1803048485151245 3.9376e-09 deg/d
Q 3.436963125804267 5.0039e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      8974 days (24.57 yr)  
   first obs. used      1994-10-08  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64431  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:32:37  

Additional Information
 Earth MOID = 1.78016 au 
 Jupiter MOID = 1.95824 au 
 T_jup = 3.207 
[ 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 16.3   n/a MPO434258  

357768 (2005 ST147)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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