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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05706594199959892 5.4466e-08  
a 2.784190046841462 2.8394e-08 au
q 2.625307619112546 1.6069e-07 au
i 2.53303412221113 6.2847e-06 deg
node 152.3028599794246 0.00013997 deg
peri 273.3840213735577 0.00015591 deg
M 300.7215885555428 7.3148e-05 deg
tp 2459279.909261716347
(2021-Mar-06.40926172)
0.00034745 TDB
period 1696.862850519089
4.65
2.5957e-05
7.107e-08
d
yr
n .2121562151530821 3.2454e-09 deg/d
Q 2.943072474570377 3.0014e-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 = 1.6403 au 
 Jupiter MOID = 2.22513 au 
 T_jup = 3.328 
[ 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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