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JPL Small-Body Database Browser
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49116 (1998 SX9)
Classification: Main-belt Asteroid          SPK-ID: 2049116
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3184280365969966 3.8765e-08  
a 2.597178009669705 6.8909e-09 au
q 1.770163715357685 9.8269e-08 au
i 6.026697479224669 4.8323e-06 deg
node 183.94999336507 3.9148e-05 deg
peri 163.2788517343401 3.9911e-05 deg
M 343.2010753862709 7.9186e-06 deg
tp 2458671.839487135069
(2019-Jul-07.33948713)
3.3777e-05 TDB
period 1528.801155976126
4.19
6.0843e-06
1.666e-08
d
yr
n .235478628854217 9.3716e-10 deg/d
Q 3.424192303981724 9.0851e-09 au
  Orbit Determination Parameters
   # obs. used (total)      939  
   data-arc span      10612 days (29.05 yr)  
   first obs. used      1990-11-13  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51513  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:17:13  

Additional Information
 Earth MOID = .763814 au 
 Jupiter MOID = 2.0171 au 
 T_jup = 3.336 
[ 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 15.2   n/a MPO439427  

49116 (1998 SX9)          Discovered 1998-Sep-18 by Visnjan at Visnjan
Reference: 20021120/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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