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JPL Small-Body Database Browser
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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1486042834049632 5.5111e-08  
a 2.602546321388302 1.0508e-08 au
q 2.21579679027017 1.4255e-07 au
i 4.511390838234848 5.7746e-06 deg
node 28.63847799727919 4.3358e-05 deg
peri 8.21097627204035 4.6054e-05 deg
M 46.09732860633444 1.2584e-05 deg
tp 2458804.132601575112
(2019-Nov-16.63260157)
5.3794e-05 TDB
period 1533.543603722962
4.20
9.2877e-06
2.543e-08
d
yr
n .2347504166989665 1.4217e-09 deg/d
Q 2.989295852506434 1.2069e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1080  
   data-arc span      11047 days (30.25 yr)  
   first obs. used      1989-08-30  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53371  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:17:13  

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

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