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JPL Small-Body Database Browser
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58159 (1989 SL4)
Classification: Main-belt Asteroid          SPK-ID: 2058159
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2002837716317728 4.8271e-08  
a 2.449274543402146 1.1385e-08 au
q 1.958724600087876 1.1668e-07 au
i 3.403317817670724 4.3316e-06 deg
node 102.5762830879145 8.1931e-05 deg
peri 282.6916727062863 8.2536e-05 deg
M 254.5248791465077 1.0464e-05 deg
tp 2459010.706143909593
(2020-Jun-10.20614391)
4.1685e-05 TDB
period 1400.085732184909
3.83
9.7623e-06
2.673e-08
d
yr
n .2571271113792444 1.7929e-09 deg/d
Q 2.939824486716416 1.3666e-08 au
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      11928 days (32.66 yr)  
   first obs. used      1985-08-24  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56335  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 04:28:32  

Additional Information
 Earth MOID = .965462 au 
 Jupiter MOID = 2.51314 au 
 T_jup = 3.466 
[ 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 15.0   n/a MPO400560  

58159 (1989 SL4)          Discovered 1989-Sep-26 by Elst, E. W. at La Silla
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 SL4 = 1985 QA6 = 2001 YZ117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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