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JPL Small-Body Database Browser
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173798 (2001 SA191)
Classification: Main-belt Asteroid          SPK-ID: 2173798
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05661533389119986 5.4773e-08  
a 2.786671116428112 2.8845e-08 au
q 2.628902800726572 1.6163e-07 au
i 2.531708878084149 6.281e-06 deg
node 152.3213611395615 0.00014006 deg
peri 272.5287434045936 0.0001561 deg
M 216.7333415649152 7.2601e-05 deg
tp 2459276.691382729791
(2021-Mar-03.19138273)
0.00034903 TDB
period 1699.131538640752
4.65
2.6382e-05
7.223e-08
d
yr
n .2118729432142658 3.2897e-09 deg/d
Q 2.944439432129653 3.0478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      6605 days (18.08 yr)  
   first obs. used      2001-08-27  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5471  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 19:48:20  

Additional Information
 Earth MOID = 1.64341 au 
 Jupiter MOID = 2.22646 au 
 T_jup = 3.327 
[ 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 16.3   n/a MPO449899  

173798 (2001 SA191)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 SA191 = 2004 GF51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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