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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1632745620054883 3.1635e-08  
a 2.332425128935143 9.0189e-09 au
q 1.951599437597663 7.2703e-08 au
i 5.021148351224143 4.8456e-06 deg
node 94.17719324447303 4.1453e-05 deg
peri 304.9573297919349 4.4182e-05 deg
M 62.08704252819312 1.5459e-05 deg
tp 2458976.107433034694
(2020-May-06.60743303)		 5.5477e-05 TDB
period 1301.097955677762
3.56		 7.5465e-06
2.066e-08		 d
yr
n .2766893902407759 1.6048e-09 deg/d
Q 2.713250820272623 1.0491e-08 au
   Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      9186 days (25.15 yr)  
   first obs. used      1996-01-12  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57732  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:31  

Additional Information
 Earth MOID = .963818 au 
 Jupiter MOID = 2.69392 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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