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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03703365634156516 5.4691e-08  
a 3.092436412120322 3.1896e-08 au
q 2.977912184775715 1.75e-07 au
i 1.021160897985925 5.7798e-06 deg
node 41.51940249250022 0.00041198 deg
peri 354.8674981845294 0.00042373 deg
M 318.3090987154126 0.00010086 deg
tp 2459230.532064628331
(2021-Jan-16.03206463)		 0.00055715 TDB
period 1986.321732430707
5.44		 3.0731e-05
8.414e-08		 d
yr
n .1812395213334649 2.804e-09 deg/d
Q 3.206960639464929 3.3077e-08 au
   Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      21856 days (59.84 yr)  
   first obs. used      1960-09-26  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57499  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:11:20  

Additional Information
 Earth MOID = 1.98419 au 
 Jupiter MOID = 1.96099 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

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