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JPL Small-Body Database Browser
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74786 (1999 SY)
Classification: Main-belt Asteroid          SPK-ID: 2074786
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1838065580781749 3.6548e-08  
a 2.384449963115122 8.8507e-09 au
q 1.946172422485301 8.6645e-08 au
i 2.454529023841734 4.099e-06 deg
node 166.2413748998174 9.8994e-05 deg
peri 288.4200064828649 9.9769e-05 deg
M 47.51437694913929 1.1182e-05 deg
tp 2458422.997986073723
(2018-Oct-31.49798607)
4.1624e-05 TDB
period 1344.871365604999
3.68
7.4879e-06
2.05e-08
d
yr
n .2676835935443176 1.4904e-09 deg/d
Q 2.822727503744944 1.0477e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1041  
   data-arc span      15168 days (41.53 yr)  
   first obs. used      1977-10-17  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52214  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:01:05  

Additional Information
 Earth MOID = .964651 au 
 Jupiter MOID = 2.36011 au 
 T_jup = 3.512 
[ 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 15.8   n/a MPO426454  

74786 (1999 SY)          Discovered 1999-Sep-16 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 SY = 2001 FS159 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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