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173783 (2001 SL77)
Classification: Main-belt Asteroid          SPK-ID: 2173783
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .153622412534338 5.6505e-08  
a 3.091560862211433 3.2586e-08 au
q 2.616627824061775 1.8061e-07 au
i 4.024596559035884 5.2802e-06 deg
node 251.796486027075 0.00011851 deg
peri 157.9026415415585 0.00012186 deg
M 130.3099524568793 2.986e-05 deg
tp 2458281.812297866407
(2018-Jun-12.31229787)
0.0001588 TDB
period 1985.478222422871
5.44
3.1391e-05
8.594e-08
d
yr
n .1813165190805737 2.8667e-09 deg/d
Q 3.566493900361091 3.7592e-08 au
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      6797 days (18.61 yr)  
   first obs. used      2001-09-17  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57249  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:29:54  

Additional Information
 Earth MOID = 1.6277 au 
 Jupiter MOID = 1.80891 au 
 T_jup = 3.203 
[ 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 15.5   n/a MPO433117  

173783 (2001 SL77)          Discovered 2001-Sep-17 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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