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150163 (1997 ST26)
Classification: Main-belt Asteroid          SPK-ID: 2150163
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 .2031902585023748 4.4268e-08  
a 2.44827347762036 6.9498e-09 au
q 1.950808156818171 1.0983e-07 au
i 3.943937863837014 4.6517e-06 deg
node 8.995582812482162 4.4622e-05 deg
peri 354.8201764273106 4.5523e-05 deg
M 16.51238471474972 7.3816e-06 deg
tp 2459136.320605360611
(2020-Oct-13.82060536)
2.8692e-05 TDB
period 1399.227456803477
3.83
5.9579e-06
1.631e-08
d
yr
n .257284831175638 1.0955e-09 deg/d
Q 2.945738798422549 8.3619e-09 au
  Orbit Determination Parameters
   # obs. used (total)      809  
   data-arc span      8470 days (23.19 yr)  
   first obs. used      1997-09-29  
   last obs. used      2020-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51976  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:38:31  

Additional Information
 Earth MOID = .947106 au 
 Jupiter MOID = 2.51271 au 
 T_jup = 3.465 
[ 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 16.33   n/a E2021B55  

150163 (1997 ST26)          Discovered 1997-Sep-29 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 1997 ST26 = 2001 QB248 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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