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173690 (2001 PL16)
Classification: Main-belt Asteroid          SPK-ID: 2173690
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1500071288965775 6.0375e-08  
a 2.729054546784242 1.7326e-08 au
q 2.319676909618988 1.7103e-07 au
i 6.050509630153599 5.3434e-06 deg
node 42.1110649360799 5.7748e-05 deg
peri 327.6824947252413 6.0791e-05 deg
M 20.26363994066599 1.9871e-05 deg
tp 2458907.810250090880
(2020-Feb-28.31025009)
9.0426e-05 TDB
period 1646.708590608052
4.51
1.5682e-05
4.293e-08
d
yr
n .2186179157947241 2.0819e-09 deg/d
Q 3.138432183949496 1.9925e-08 au
  Orbit Determination Parameters
   # obs. used (total)      363  
   data-arc span      6680 days (18.29 yr)  
   first obs. used      2001-07-19  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56418  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 14:34:26  

Additional Information
 Earth MOID = 1.32234 au 
 Jupiter MOID = 2.32832 au 
 T_jup = 3.331 
[ 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 15.9   n/a MPO439994  

173690 (2001 PL16)          Discovered 2001-Aug-09 by NEAT at Palomar
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 PL16 = 2006 SJ74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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