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43589 (2001 QW)
Classification: Main-belt Asteroid          SPK-ID: 2043589
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1787737342161158 2.806e-08  
a 2.442096283216343 7.4125e-09 au
q 2.005513611350461 6.9741e-08 au
i 1.748701031155056 3.5092e-06 deg
node 270.3148580950051 0.00012623 deg
peri 146.7931204348063 0.00012689 deg
M 314.7195914056068 1.3056e-05 deg
tp 2459375.827660251151
(2021-Jun-10.32766025)
5.0907e-05 TDB
period 1393.935250359684
3.82
6.3465e-06
1.738e-08
d
yr
n .2582616372655095 1.1759e-09 deg/d
Q 2.878678955082226 8.7377e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1071  
   data-arc span      10444 days (28.59 yr)  
   first obs. used      1992-04-30  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55266  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:21:02  

Additional Information
 Earth MOID = 1.0171 au 
 Jupiter MOID = 2.46241 au 
 T_jup = 3.478 
[ 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 15.54   n/a E2021B10  
diameter diameter 1.874 km 0.332 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.348   0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43589 (2001 QW)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 QW = 1998 YK16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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