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JPL Small-Body Database Browser
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85718 (1998 SG58)
Classification: Main-belt Asteroid          SPK-ID: 2085718
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1241470072300857 5.059e-08  
a 2.335723783801178 1.0543e-08 au
q 2.04575066632613 1.2063e-07 au
i 6.75437932702216 6.2049e-06 deg
node 3.492593581610379 4.1237e-05 deg
peri 302.4656062014603 4.6789e-05 deg
M 323.3756651112682 2.1695e-05 deg
tp 2458733.147141987421
(2019-Sep-06.64714199)
7.8717e-05 TDB
period 1303.859066944139
3.57
8.8279e-06
2.417e-08
d
yr
n .2761034602027456 1.8694e-09 deg/d
Q 2.625696901276226 1.1852e-08 au
  Orbit Determination Parameters
   # obs. used (total)      638  
   data-arc span      16812 days (46.03 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55375  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:13:52  

Additional Information
 Earth MOID = 1.03989 au 
 Jupiter MOID = 2.61374 au 
 T_jup = 3.548 
[ 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 15.8   n/a MPO337904  

85718 (1998 SG58)          Discovered 1998-Sep-17 by LONEOS at Anderson Mesa
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 SG58 = 1078 T-2 = 1997 EY53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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