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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1683242270412184 4.3041e-08  
a 2.653028798248032 1.5495e-08 au
q 2.206459776464839 1.1658e-07 au
i 13.62407014903488 4.971e-06 deg
node 207.987243434236 2.1602e-05 deg
peri 195.8050542249734 2.7639e-05 deg
M 259.1388686390604 1.8595e-05 deg
tp 2459042.714224034820
(2020-Jul-12.21422403)		 8.3383e-05 TDB
period 1578.379287486233
4.32		 1.3828e-05
3.786e-08		 d
yr
n .2280820604110595 1.9982e-09 deg/d
Q 3.099597820031224 1.8103e-08 au
   Orbit Determination Parameters
   # obs. used (total)      695  
   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      .56073  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:43:28  

Additional Information
 Earth MOID = 1.21677 au 
 Jupiter MOID = 2.32634 au 
 T_jup = 3.329 
[ 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

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