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117262 (2004 ST57)
Classification: Main-belt Asteroid          SPK-ID: 2117262
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2527508507819891 3.8921e-08  
a 2.367399557276169 1.1201e-08 au
q 1.769037305033713 8.848e-08 au
i 4.20557857681655 4.5045e-06 deg
node 39.05671193978868 5.0984e-05 deg
peri 328.7921389629657 5.1901e-05 deg
M 120.3413966279605 1.1422e-05 deg
tp 2458555.747583334580
(2019-Mar-13.24758333)
4.0183e-05 TDB
period 1330.472094274751
3.64
9.4428e-06
2.585e-08
d
yr
n .2705806469366336 1.9204e-09 deg/d
Q 2.965761809518625 1.4033e-08 au
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      9610 days (26.31 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54688  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:44:50  

Additional Information
 Earth MOID = .769927 au 
 Jupiter MOID = 2.49674 au 
 T_jup = 3.500 
[ 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 16.5   n/a MPO348190  

117262 (2004 ST57)          Discovered 2004-Sep-16 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 ST57 = 1993 TC27 = 2003 JW15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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