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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2362844448542636 3.2043e-08  
a 2.221780100795351 7.7541e-09 au
q 1.696808023090671 6.9692e-08 au
i 2.98511428291752 3.5059e-06 deg
node 113.9474425727284 8.3563e-05 deg
peri 229.4433249172688 8.4192e-05 deg
M 273.2905834993203 1.2187e-05 deg
tp 2459491.849179186739
(2021-Oct-04.34917919)
4.1921e-05 TDB
period 1209.622999901097
3.31
6.3324e-06
1.734e-08
d
yr
n .2976133886586438 1.558e-09 deg/d
Q 2.74675217850003 9.5862e-09 au
  Orbit Determination Parameters
   # obs. used (total)      664  
   data-arc span      7916 days (21.67 yr)  
   first obs. used      1998-09-18  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54616  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:53:57  

Additional Information
 Earth MOID = .688951 au 
 Jupiter MOID = 2.66326 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 16.45   n/a E2021B55  

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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