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49106 (1998 SY)
Classification: Main-belt Asteroid          SPK-ID: 2049106
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .148604327379905 5.5079e-08  
a 2.602546316955551 1.0447e-08 au
q 2.215796672049322 1.4255e-07 au
i 4.511403460915901 5.7317e-06 deg
node 28.63848874242246 4.2607e-05 deg
peri 8.210985165098556 4.5357e-05 deg
M 46.097315024568 1.2503e-05 deg
tp 2458804.132659932999
(2019-Nov-16.63265993)
5.347e-05 TDB
period 1533.543599804981
4.20
9.2335e-06
2.528e-08
d
yr
n .2347504172987196 1.4134e-09 deg/d
Q 2.989295961861779 1.1999e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1136  
   data-arc span      11109 days (30.41 yr)  
   first obs. used      1989-08-30  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52864  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:19:56  

Additional Information
 Earth MOID = 1.22297 au 
 Jupiter MOID = 2.43364 au 
 T_jup = 3.394 
[ 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 MPO359069  

49106 (1998 SY)          Discovered 1998-Sep-16 by ODAS at Caussols
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SY = 2000 ED19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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