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JPL Small-Body Database Browser
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100610 (1997 ST18)
Classification: Main-belt Asteroid          SPK-ID: 2100610
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08086599498552184 4.8953e-08  
a 2.767076253486452 1.891e-08 au
q 2.54331387904746 1.3428e-07 au
i .653185586946196 6.2725e-06 deg
node 22.29600508626339 0.00045176 deg
peri 209.7527830974846 0.00045342 deg
M 86.98123540858833 3.7544e-05 deg
tp 2458594.287588456486
(2019-Apr-20.78758846)
0.00017518 TDB
period 1681.241562835125
4.60
1.7234e-05
4.718e-08
d
yr
n .21412746862677 2.195e-09 deg/d
Q 2.990838627925444 2.0439e-08 au
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      7885 days (21.59 yr)  
   first obs. used      1997-09-28  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61914  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:07:59  

Additional Information
 Earth MOID = 1.5324 au 
 Jupiter MOID = 1.99396 au 
 T_jup = 3.334 
[ 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 16.0   n/a MPO474881  

100610 (1997 ST18)          Discovered 1997-Sep-28 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 ST18 = 2000 EZ73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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