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JPL Small-Body Database Browser
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160883 (2001 QW2)
Classification: Main-belt Asteroid          SPK-ID: 2160883
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1778409335248861 4.4231e-08  
a 3.184038155043369 2.4391e-08 au
q 2.617785837171601 1.5247e-07 au
i 17.07325425252748 4.1546e-06 deg
node 308.4110403640371 1.9049e-05 deg
peri 130.9542988395715 2.6461e-05 deg
M 291.3571082444904 1.6266e-05 deg
tp 2458996.193478013154
(2020-May-26.69347801)
9.409e-05 TDB
period 2075.22801621046
5.68
2.3846e-05
6.529e-08
d
yr
n .1734749132085206 1.9933e-09 deg/d
Q 3.750290472915138 2.8729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      992  
   data-arc span      6698 days (18.34 yr)  
   first obs. used      2001-07-27  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43692  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:53:15  

Additional Information
 Earth MOID = 1.66733 au 
 Jupiter MOID = 1.55786 au 
 T_jup = 3.106 
[ 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 14.0   n/a MPO338317  
diameter diameter 9.142 km 0.309 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160883 (2001 QW2)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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