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120594 (1995 SD72)
Classification: Main-belt Asteroid          SPK-ID: 2120594
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07829938393356659 6.1638e-08  
a 2.720202672306428 2.0713e-08 au
q 2.507212478890394 1.7378e-07 au
i 2.571742225791922 7.3877e-06 deg
node 15.70131304753603 9.9065e-05 deg
peri 317.1981431701703 0.00010648 deg
M 259.9641295497697 4.2382e-05 deg
tp 2459655.858634365748
(2022-Mar-17.35863437)		 0.00019457 TDB
period 1638.703273474559
4.49		 1.8717e-05
5.124e-08		 d
yr
n .2196858978847881 2.5092e-09 deg/d
Q 2.933192865722463 2.2335e-08 au
   Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      8975 days (24.57 yr)  
   first obs. used      1995-09-19  
   last obs. used      2020-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59195  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:56:06  

Additional Information
 Earth MOID = 1.49568 au 
 Jupiter MOID = 2.33464 au 
 T_jup = 3.353 
[ 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 16.33   n/a E2021B55  

120594 (1995 SD72)          Discovered 1995-Sep-19 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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Alternate Designations
 1995 SD72 = 2004 TS142 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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