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190837 (2001 ST90)
Classification: Main-belt Asteroid          SPK-ID: 2190837
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1835124381626808 5.2205e-08  
a 2.299275662070584 1.1125e-08 au
q 1.877329979315899 1.196e-07 au
i 4.492709393816253 5.7618e-06 deg
node 331.7216316295529 5.7601e-05 deg
peri 122.9917722513489 6.0999e-05 deg
M 105.589847642363 1.5547e-05 deg
tp 2458826.987919463512
(2019-Dec-09.48791946)
5.5151e-05 TDB
period 1273.459068229476
3.49
9.2425e-06
2.53e-08
d
yr
n .2826945985005374 2.0517e-09 deg/d
Q 2.72122134482527 1.3167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      9326 days (25.53 yr)  
   first obs. used      1994-09-11  
   last obs. used      2020-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5131  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:19  

Additional Information
 Earth MOID = .898312 au 
 Jupiter MOID = 2.4563 au 
 T_jup = 3.566 
[ 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 16.77   n/a E2021B55  

190837 (2001 ST90)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 2001 ST90 = 2003 FG89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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