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120895 (1998 ST14)
Classification: Main-belt Asteroid          SPK-ID: 2120895
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2361597940815667 3.2034e-08  
a 2.221940100750825 7.789e-09 au
q 1.697207184095935 6.9659e-08 au
i 2.985097149875987 3.5123e-06 deg
node 113.9476056377174 8.3614e-05 deg
peri 229.4362887014321 8.4245e-05 deg
M 213.7684588932975 1.2007e-05 deg
tp 2459491.900397660166
(2021-Oct-04.40039766)		 4.197e-05 TDB
period 1209.753667497602
3.31		 6.3612e-06
1.742e-08		 d
yr
n .2975812429192025 1.5648e-09 deg/d
Q 2.746673017405715 9.6285e-09 au
   Orbit Determination Parameters
   # obs. used (total)      660  
   data-arc span      7886 days (21.59 yr)  
   first obs. used      1998-09-18  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5464  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:41:02  

Additional Information
 Earth MOID = .691174 au 
 Jupiter MOID = 2.66283 au 
 T_jup = 3.610 
[ 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 16.4   n/a MPO257559  

120895 (1998 ST14)          Discovered 1998-Sep-18 by LONEOS at Anderson Mesa
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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