Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
17429 (1989 GD1)
Classification: Main-belt Asteroid          SPK-ID: 2017429
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1060736708640728 3.3074e-08  
a 2.275956272640914 9.9161e-09 au
q 2.03453723607578 7.4266e-08 au
i 3.398693534826728 5.2573e-06 deg
node 342.2853006637823 6.0994e-05 deg
peri 255.2379575716556 6.6922e-05 deg
M 356.4241052077821 2.9685e-05 deg
tp 2459012.957374757108
(2020-Jun-12.45737476)
0.00010343 TDB
period 1254.135027215758
3.43
8.1962e-06
2.244e-08
d
yr
n .2870504309246651 1.876e-09 deg/d
Q 2.517375309206048 1.0968e-08 au
  Orbit Determination Parameters
   # obs. used (total)      902  
   data-arc span      11259 days (30.83 yr)  
   first obs. used      1989-04-03  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:04:15  

Additional Information
 Earth MOID = 1.0259 au 
 Jupiter MOID = 2.48744 au 
 T_jup = 3.599 
[ 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 15.7   n/a MPO309290  
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

[ show close-approach data ]
Alternate Designations
 1989 GD1 = 1999 ES7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-29 10:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin