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6600 Qwerty (1988 QW)
Classification: Main-belt Asteroid          SPK-ID: 2006600
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2094783946108134 1.6823e-08  
a 2.254356890480033 5.4725e-09 au
q 1.78211782818245 3.8711e-08 au
i 2.824199032367447 9.9087e-07 deg
node 305.3061770538234 1.0581e-05 deg
peri 87.7071177261226 1.0967e-05 deg
M 151.3162225199343 5.3446e-06 deg
tp 2458680.844625300141
(2019-Jul-16.34462530)
1.7612e-05 TDB
period 1236.324379346067
3.38
4.5018e-06
1.233e-08
d
yr
n .2911857163169554 1.0603e-09 deg/d
Q 2.726595952777616 6.6188e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2142  
   data-arc span      24371 days (66.72 yr)  
   first obs. used      1954-07-03  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46432  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 22:58:52  

Additional Information
 Earth MOID = .789828 au 
 Jupiter MOID = 2.72022 au 
 T_jup = 3.594 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.87   n/a E2021B10  
diameter diameter 3.660 km 0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.437   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6600 Qwerty           Discovered 1988 Aug. 17 by A. Mrkos at Klet.
Qwerty is a popular name for the standard Roman-alphabet typewriter keyboard, based on the first six of the top row of letters. The Qwerty design was patented by Christopher Latham Sholes of Milwaukee, and the first typewriter was produced in 1874. The name was suggested by G. Schilling.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071124/MPCPages.arcLast Updated: 2007-11-26

Alternate Designations
 1988 QW = 1978 UA2 = 1983 CD5 = 1990 EF3 = 1993 AP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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