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JPL Small-Body Database Browser
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49169 (1998 SL59)
Classification: Main-belt Asteroid          SPK-ID: 2049169
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1759770197567512 4.7334e-08  
a 2.390281581488619 1.3947e-08 au
q 1.969646952398798 1.1541e-07 au
i 2.144799227181969 4.8689e-06 deg
node 56.73980692067509 0.00014253 deg
peri 228.0055519157857 0.0001441 deg
M 269.6284274793425 2.8841e-05 deg
tp 2458939.345219529289
(2020-Mar-30.84521953)
0.00011021 TDB
period 1349.808082654095
3.70
1.1814e-05
3.234e-08
d
yr
n .2667045816558904 2.3343e-09 deg/d
Q 2.810916210578441 1.6401e-08 au
  Orbit Determination Parameters
   # obs. used (total)      697  
   data-arc span      7504 days (20.54 yr)  
   first obs. used      1998-09-17  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61296  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:49:25  

Additional Information
 Earth MOID = .953404 au 
 Jupiter MOID = 2.33926 au 
 T_jup = 3.510 
[ 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 15.7   n/a MPO337651  

49169 (1998 SL59)          Discovered 1998-Sep-17 by LONEOS at Anderson Mesa
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SL59 = 1999 XR260 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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