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123009 (2000 ST260)
Classification: Main-belt Asteroid          SPK-ID: 2123009
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2342697522913456 3.206e-08  
a 2.3123697436426 1.2381e-08 au
q 1.770651456593445 7.6755e-08 au
i 4.486646423503538 4.8296e-06 deg
node 170.8375397396728 5.3104e-05 deg
peri 142.7038973615555 5.4162e-05 deg
M 264.7207306220505 1.2555e-05 deg
tp 2459340.422773507258
(2021-May-05.92277351)
4.6036e-05 TDB
period 1284.35282156911
3.52
1.0315e-05
2.824e-08
d
yr
n .280296810934073 2.2512e-09 deg/d
Q 2.854088030691754 1.5282e-08 au
  Orbit Determination Parameters
   # obs. used (total)      609  
   data-arc span      9181 days (25.14 yr)  
   first obs. used      1995-03-10  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:56:17  

Additional Information
 Earth MOID = .759458 au 
 Jupiter MOID = 2.45045 au 
 T_jup = 3.542 
[ 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 16.2   n/a MPO320391  

123009 (2000 ST260)          Discovered 2000-Sep-24 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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