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17429 (1989 GD1)
Classification: Main-belt Asteroid          SPK-ID: 2017429
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1067413905166355 3.2882e-08  
a 2.276044912757095 8.2058e-09 au
q 2.033096713891088 7.4115e-08 au
i 3.399604615037044 3.6093e-06 deg
node 342.2697035369899 5.6755e-05 deg
peri 255.0849339095399 5.9985e-05 deg
M 110.1834735332237 1.7333e-05 deg
tp 2459012.630482362273
(2020-Jun-12.13048236)
6.1238e-05 TDB
period 1254.208293841021
3.43
6.7827e-06
1.857e-08
d
yr
n .2870336624050679 1.5523e-09 deg/d
Q 2.518993111623101 9.0817e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1152  
   data-arc span      11762 days (32.20 yr)  
   first obs. used      1989-04-03  
   last obs. used      2021-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50019  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 14:22:59  

Additional Information
 Earth MOID = 1.02484 au 
 Jupiter MOID = 2.48341 au 
 T_jup = 3.599 
[ 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 15.79   n/a E2021B10  
diameter diameter 1.901 km 0.439 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.234   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17429 (1989 GD1)          Discovered 1989-Apr-03 by Elst, E. W. at La Silla
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 GD1 = 1999 ES7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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