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101166 (1998 ST1)
Classification: Main-belt Asteroid          SPK-ID: 2101166
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1631220929865249 4.3269e-08  
a 2.332003241521972 1.0436e-08 au
q 1.951601991913547 1.032e-07 au
i 5.021344269814068 5.3864e-06 deg
node 94.17713639021187 4.677e-05 deg
peri 304.9407623317564 4.9451e-05 deg
M 6.765226886266749 1.5392e-05 deg
tp 2458976.056014528852
(2020-May-06.55601453)
5.5576e-05 TDB
period 1300.744959119809
3.56
8.7312e-06
2.39e-08
d
yr
n .2767644782906601 1.8578e-09 deg/d
Q 2.712404491130397 1.2138e-08 au
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      9054 days (24.79 yr)  
   first obs. used      1996-01-12  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60834  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:02:04  

Additional Information
 Earth MOID = .964826 au 
 Jupiter MOID = 2.69389 au 
 T_jup = 3.547 
[ 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 16.0   n/a MPO439692  

101166 (1998 ST1)          Discovered 1998-Sep-16 by ODAS at Caussols
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 ST1 = 1996 AY5 = 2002 YJ25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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