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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1782502449351817 3.478e-08  
a 3.185832055043501 2.1139e-08 au
q 2.617956710909644 1.1783e-07 au
i 17.07330628509758 3.9458e-06 deg
node 308.4040421639623 1.6732e-05 deg
peri 130.8474635031746 2.5e-05 deg
M 35.49246921086367 1.5841e-05 deg
tp 2458995.729940284997
(2020-May-26.22994028)
9.1389e-05 TDB
period 2076.982051021611
5.69
2.0672e-05
5.66e-08
d
yr
n .1733284116841192 1.7251e-09 deg/d
Q 3.753707399177359 2.4907e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1218  
   data-arc span      7115 days (19.48 yr)  
   first obs. used      2001-07-27  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43464  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:02:39  

Additional Information
 Earth MOID = 1.66733 au 
 Jupiter MOID = 1.55494 au 
 T_jup = 3.105 
[ 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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