Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1236191542950636 4.9669e-08  
a 2.335604414482022 1.0299e-08 au
q 2.046878971995937 1.181e-07 au
i 6.754587353933117 6.0393e-06 deg
node 3.463102143134841 4.1119e-05 deg
peri 302.6483129304982 4.647e-05 deg
M 183.0609005272195 2.1783e-05 deg
tp 2460037.294344128290
(2023-Apr-02.79434413)
8.002e-05 TDB
period 1303.759115840148
3.57
8.6238e-06
2.361e-08
d
yr
n .2761246273380911 1.8264e-09 deg/d
Q 2.624329856968106 1.1573e-08 au
  Orbit Determination Parameters
   # obs. used (total)      940  
   data-arc span      17311 days (47.39 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46898  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:37:57  

Additional Information
 Earth MOID = 1.04121 au 
 Jupiter MOID = 2.61445 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 15.95   n/a MPO637176  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-26 11:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin