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173021 (2006 QW1)
Classification: Main-belt Asteroid          SPK-ID: 2173021
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2342976715920056 4.1606e-08  
a 2.425127894665962 1.3671e-08 au
q 1.856926075632904 1.0053e-07 au
i 3.053904985854452 4.5603e-06 deg
node 80.69431234432766 9.4353e-05 deg
peri 257.6980788784845 9.5256e-05 deg
M 226.7726106203112 1.7068e-05 deg
tp 2459510.994908057602
(2021-Oct-23.49490806)
6.891e-05 TDB
period 1379.432320609254
3.78
1.1664e-05
3.193e-08
d
yr
n .2609769211736309 2.2067e-09 deg/d
Q 2.993329713699019 1.6874e-08 au
  Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      15889 days (43.50 yr)  
   first obs. used      1976-10-22  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56104  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:23:28  

Additional Information
 Earth MOID = .850841 au 
 Jupiter MOID = 2.40426 au 
 T_jup = 3.471 
[ 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 16.4   n/a MPO417931  
diameter diameter 1.260 km 0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.233   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173021 (2006 QW1)          Discovered 2006-Aug-17 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2006 QW1 = 1976 UY12 = 2003 XF17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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