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120905 (1998 SY32)
Classification: Main-belt Asteroid          SPK-ID: 2120905
[ 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 .03710577224466413 5.3642e-08  
a 3.092464762328484 2.585e-08 au
q 2.977716469182874 1.6765e-07 au
i 1.021156939054658 5.7647e-06 deg
node 41.5188512404529 0.0003327 deg
peri 355.0771046212816 0.00034296 deg
M 354.3649497726864 8.1315e-05 deg
tp 2459231.592157360757
(2021-Jan-17.09215736)		 0.00044857 TDB
period 1986.349047186526
5.44		 2.4906e-05
6.819e-08		 d
yr
n .1812370290659165 2.2725e-09 deg/d
Q 3.207213055474095 2.6809e-08 au
   Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      21992 days (60.21 yr)  
   first obs. used      1960-09-26  
   last obs. used      2020-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55854  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:26:10  

Additional Information
 Earth MOID = 1.98288 au 
 Jupiter MOID = 1.95993 au 
 T_jup = 3.223 
[ 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 16.0   n/a MPO439780  

120905 (1998 SY32)          Discovered 1998-Sep-23 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 SY32 = 2004 TL342 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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