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74240 (1998 SY52)
Classification: Main-belt Asteroid          SPK-ID: 2074240
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1684518906862663 4.2939e-08  
a 2.651963782829368 1.5239e-08 au
q 2.205235469580258 1.1638e-07 au
i 13.62432666821748 4.9554e-06 deg
node 207.9714571326349 2.1596e-05 deg
peri 195.9857152778222 2.7629e-05 deg
M 350.264306900567 1.8986e-05 deg
tp 2459043.159345131889
(2020-Jul-12.65934513)		 8.3374e-05 TDB
period 1577.428960694578
4.32		 1.3597e-05
3.723e-08		 d
yr
n .2282194691299973 1.9672e-09 deg/d
Q 3.098692096078477 1.7806e-08 au
   Orbit Determination Parameters
   # obs. used (total)      699  
   data-arc span      7645 days (20.93 yr)  
   first obs. used      1998-09-30  
   last obs. used      2019-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55802  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:13:03  

Additional Information
 Earth MOID = 1.21622 au 
 Jupiter MOID = 2.32908 au 
 T_jup = 3.330 
[ 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 15.1   n/a MPO432295  

74240 (1998 SY52)          Discovered 1998-Sep-30 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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