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JPL Small-Body Database Browser
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46928 (1998 SJ57)
Classification: Main-belt Asteroid          SPK-ID: 2046928
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1083898913084044 5.058e-08  
a 2.580641348331784 1.3234e-08 au
q 2.300925913080128 1.3585e-07 au
i 13.74128843675607 4.826e-06 deg
node 169.7193711808084 1.4178e-05 deg
peri 11.21173302093505 2.0836e-05 deg
M 164.9049136232255 1.5957e-05 deg
tp 2457906.880970241081
(2017-Jun-02.38097024)
6.6072e-05 TDB
period 1514.223228567535
4.15
1.1648e-05
3.189e-08
d
yr
n .2377456594299919 1.8288e-09 deg/d
Q 2.86035678358344 1.4668e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1385  
   data-arc span      13476 days (36.90 yr)  
   first obs. used      1982-12-09  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51025  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:29:37  

Additional Information
 Earth MOID = 1.30677 au 
 Jupiter MOID = 2.10265 au 
 T_jup = 3.376 
[ 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 14.3   n/a MPO417141  

46928 (1998 SJ57)          Discovered 1998-Sep-17 by LONEOS at Anderson Mesa
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SJ57 = 2001 ME11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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