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JPL Small-Body Database Browser
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58689 (1998 BY9)
Classification: Main-belt Asteroid          SPK-ID: 2058689
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09525609096086565 3.6597e-08  
a 2.657983784262326 1.493e-08 au
q 2.404794639136127 9.7885e-08 au
i 6.772010496360566 4.3741e-06 deg
node 103.308102442154 4.4105e-05 deg
peri 321.0751198607966 5.4463e-05 deg
M 335.7715688332645 3.1015e-05 deg
tp 2458707.024550539654
(2019-Aug-11.52455054)		 0.00013648 TDB
period 1582.803192264738
4.33		 1.3336e-05
3.651e-08		 d
yr
n .2274445753959452 1.9164e-09 deg/d
Q 2.911172929388524 1.6352e-08 au
   Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      10410 days (28.50 yr)  
   first obs. used      1991-06-07  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62417  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:03:10  

Additional Information
 Earth MOID = 1.42272 au 
 Jupiter MOID = 2.33748 au 
 T_jup = 3.371 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO313842  

58689 (1998 BY9)          Discovered 1998-Jan-22 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 BY9 = 2001 TD142 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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