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190823 (2001 ST22)
Classification: Main-belt Asteroid          SPK-ID: 2190823
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2013954856008731 3.5459e-08  
a 2.352950224108529 8.3321e-09 au
q 1.879076671129509 8.4306e-08 au
i 1.500464283329292 3.7886e-06 deg
node 264.1688695532832 0.00017544 deg
peri 139.2000906162347 0.00017582 deg
M 91.76655897852301 1.1248e-05 deg
tp 2458864.453417577728
(2020-Jan-15.95341758)
4.0604e-05 TDB
period 1318.309970632451
3.61
7.0024e-06
1.917e-08
d
yr
n .2730768999852836 1.4505e-09 deg/d
Q 2.826823777087549 1.001e-08 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      7168 days (19.62 yr)  
   first obs. used      2001-07-22  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6033  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:16  

Additional Information
 Earth MOID = .887321 au 
 Jupiter MOID = 2.57645 au 
 T_jup = 3.528 
[ 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 16.8   n/a MPO418026  

190823 (2001 ST22)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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