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173588 (2001 DK9)
Classification: Main-belt Asteroid          SPK-ID: 2173588
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09088499466128916 5.0657e-08  
a 2.352081838844453 1.6726e-08 au
q 2.138312893478159 1.1723e-07 au
i 5.319334789055622 6.1606e-06 deg
node 28.24629985136043 5.0464e-05 deg
peri 45.32968294085285 6.1064e-05 deg
M 175.078661765111 3.2821e-05 deg
tp 2458359.721712592488
(2018-Aug-29.22171259)
0.00011897 TDB
period 1317.580230172135
3.61
1.4054e-05
3.848e-08
d
yr
n .2732281433465102 2.9144e-09 deg/d
Q 2.565850784210746 1.8246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      335  
   data-arc span      6648 days (18.20 yr)  
   first obs. used      2001-01-18  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56492  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:08:42  

Additional Information
 Earth MOID = 1.15654 au 
 Jupiter MOID = 2.63445 au 
 T_jup = 3.546 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO469860  

173588 (2001 DK9)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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