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173598 (2001 DW50)
Classification: Main-belt Asteroid          SPK-ID: 2173598
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 .1742387196952581 4.6674e-08  
a 2.383607974356441 1.7527e-08 au
q 1.968291172649168 1.1141e-07 au
i 6.447230866970642 7.7966e-06 deg
node 54.92575603423776 5.9067e-05 deg
peri 31.12082642414638 6.4778e-05 deg
M 139.065805500559 2.6529e-05 deg
tp 2458481.259539627446
(2018-Dec-28.75953963)
9.7074e-05 TDB
period 1344.159083976743
3.68
1.4826e-05
4.059e-08
d
yr
n .2678254414164482 2.9541e-09 deg/d
Q 2.798924776063715 2.0581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      7021 days (19.22 yr)  
   first obs. used      2001-02-02  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62316  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:28:33  

Additional Information
 Earth MOID = .987491 au 
 Jupiter MOID = 2.43382 au 
 T_jup = 3.507 
[ 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 16.8   n/a MPO454192  

173598 (2001 DW50)          Discovered 2001-Feb-16 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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