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173817 (2001 SU305)
Classification: Main-belt Asteroid          SPK-ID: 2173817
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1163651553350721 3.639e-08  
a 2.719508943724207 2.2631e-08 au
q 2.403052863052622 1.0089e-07 au
i 4.281030998465749 6.7313e-06 deg
node 342.0029014474164 5.4703e-05 deg
peri 268.5219355357668 6.4639e-05 deg
M 172.607871357085 3.827e-05 deg
tp 2458215.097534943609
(2018-Apr-06.59753494)
0.00016917 TDB
period 1638.076439951967
4.48
2.0447e-05
5.598e-08
d
yr
n .2197699638550178 2.7433e-09 deg/d
Q 3.035965024395792 2.5264e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      6704 days (18.35 yr)  
   first obs. used      2001-09-20  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56475  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:09:46  

Additional Information
 Earth MOID = 1.39375 au 
 Jupiter MOID = 2.01814 au 
 T_jup = 3.345 
[ 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 15.8   n/a MPO502965  

173817 (2001 SU305)          Discovered 2001-Sep-20 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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