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JPL Small-Body Database Browser
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52887 (1998 SL58)
Classification: Main-belt Asteroid          SPK-ID: 2052887
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1380803540658083 3.5698e-08  
a 2.275947070866478 9.6583e-09 au
q 1.961683493486195 8.1193e-08 au
i 6.615338890528632 5.0965e-06 deg
node 180.3114992238313 3.0835e-05 deg
peri 62.56468002130507 3.5625e-05 deg
M 221.5377574220356 2.0661e-05 deg
tp 2459482.859153480201
(2021-Sep-25.35915348)
7.3711e-05 TDB
period 1254.127421452783
3.43
7.9831e-06
2.186e-08
d
yr
n .2870521717665463 1.8272e-09 deg/d
Q 2.590210648246761 1.0992e-08 au
  Orbit Determination Parameters
   # obs. used (total)      901  
   data-arc span      7802 days (21.36 yr)  
   first obs. used      1998-09-17  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54625  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:37:38  

Additional Information
 Earth MOID = .959861 au 
 Jupiter MOID = 2.4279 au 
 T_jup = 3.588 
[ 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 15.5   n/a MPO449342  

52887 (1998 SL58)          Discovered 1998-Sep-17 by LONEOS at Anderson Mesa
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SL58 = 2001 MK7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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