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JPL Small-Body Database Browser
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17925 Dougweinberg (1999 GQ17)
Classification: Main-belt Asteroid          SPK-ID: 2017925
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1348201053511952 4.7484e-08  
a 2.397877405938913 1.0083e-08 au
q 2.074595321450979 1.1253e-07 au
i 3.485288842974632 4.3455e-06 deg
node 83.19967402315963 7.1487e-05 deg
peri 144.5801795710308 7.2519e-05 deg
M 224.3185229515232 1.3475e-05 deg
tp 2459511.660106758240
(2021-Oct-24.16010676)
5.2276e-05 TDB
period 1356.247311246618
3.71
8.5547e-06
2.342e-08
d
yr
n .2654383142474951 1.6743e-09 deg/d
Q 2.721159490426849 1.1443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1229  
   data-arc span      15593 days (42.69 yr)  
   first obs. used      1977-05-18  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54911  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:15:13  

Additional Information
 Earth MOID = 1.0657 au 
 Jupiter MOID = 2.26227 au 
 T_jup = 3.513 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456595.5 (2013-Oct-30.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1345725972885615 4.7474e-08  
q 2.074701862811923 1.124e-07 au
tp 2456800.186454388050
(2014-May-22.68645439)
4.6523e-05 TDB
node 83.21888495593728 7.1512e-05 deg
peri 144.7303952568907 7.2551e-05 deg
i 3.484943456205133 4.3449e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1229  
   data-arc span      15593 days (42.69 yr)  
   first obs. used      1977-05-18  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54911  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:15:13  

Additional Information
 Jupiter MOID = 2.26227 au 
 T_jup = 3.513 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.253816792378849E-15 -5.320699545801756E-15 -3.621469606059746E-13 -2.259615003951811E-14 -6.163882350875414E-14 1.045957966830963E-16
q -5.320699545801756E-15 1.263444986891505E-14 9.407510953372376E-13 5.241419939887341E-14 1.647248829533847E-13 -1.858249942697531E-16
tp -3.621469606059746E-13 9.407510953372376E-13 2.164420284569428E-9 -2.753656544695972E-12 5.890768981919431E-10 3.062779998922872E-13
node -2.259615003951811E-14 5.241419939887341E-14 -2.753656544695972E-12 5.113990128432298E-9 -5.105230852488446E-9 -1.400173500758042E-10
peri -6.163882350875414E-14 1.647248829533847E-13 5.890768981919431E-10 -5.105230852488446E-9 5.263597173464661E-9 1.398365730712446E-10
i 1.045957966830963E-16 -1.858249942697531E-16 3.062779998922872E-13 -1.400173500758042E-10 1.398365730712446E-10 1.887810375163622E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO502305  
diameter diameter 2.860 km 0.253 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.285   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17925 Dougweinberg           Discovered 1999 Apr. 15 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Douglas Stanley Weinberg (b. 1985) was awarded third place in the 2003 Intel International Science and Engineering Fair for his zoology project. He attends the Yorktown High School, Arlington, Virginia, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040614/MPCPages.arcLast Updated: 2009-12-11

Alternate Designations
 1999 GQ17 = 1977 KN1 = 1997 WS51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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