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JPL Small-Body Database Browser
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109893 (2001 ST12)
Classification: Main-belt Asteroid          SPK-ID: 2109893
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2788552953709864 3.7173e-08  
a 2.659561456884243 1.5353e-08 au
q 1.917928661267497 1.0319e-07 au
i 2.399886027641285 7.7444e-06 deg
node 172.1123558967856 9.1034e-05 deg
peri 254.526937554196 9.241e-05 deg
M 337.5897062562718 1.566e-05 deg
tp 2458699.118529121498
(2019-Aug-03.61852912)
6.9463e-05 TDB
period 1584.212634146093
4.34
1.3718e-05
3.756e-08
d
yr
n .2272422225656871 1.9677e-09 deg/d
Q 3.40119425250099 1.9634e-08 au
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      9387 days (25.70 yr)  
   first obs. used      1994-02-11  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6296  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:54:45  

Additional Information
 Earth MOID = .933146 au 
 Jupiter MOID = 1.93084 au 
 T_jup = 3.328 
[ 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 16.3   n/a MPO453560  

109893 (2001 ST12)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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