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173824 (2001 SU344)
Classification: Main-belt Asteroid          SPK-ID: 2173824
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2358233179804725 5.4614e-08  
a 3.086596047077961 2.3585e-08 au
q 2.358704725990625 1.7375e-07 au
i 18.05737136709204 6.9103e-06 deg
node 132.8896133004774 1.5442e-05 deg
peri 234.9572375930067 1.9862e-05 deg
M 156.7193949131023 1.4508e-05 deg
tp 2458138.239749789013
(2018-Jan-19.73974979)
7.4949e-05 TDB
period 1980.697349221348
5.42
2.2702e-05
6.215e-08
d
yr
n .1817541686222397 2.0832e-09 deg/d
Q 3.814487368165296 2.9147e-08 au
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      6754 days (18.49 yr)  
   first obs. used      2001-08-05  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .582  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:09:46  

Additional Information
 Earth MOID = 1.40286 au 
 Jupiter MOID = 1.81572 au 
 T_jup = 3.109 
[ 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 14.8   n/a MPO427061  

173824 (2001 SU344)          Discovered 2001-Sep-23 by NEAT at Palomar
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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