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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
90579 Gordonnelson (2004 GF39)
Classification: Main-belt Asteroid          SPK-ID: 2090579
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2124034757958304 3.6506e-08  
a 2.623116389206528 1.1033e-08 au
q 2.065957350722053 9.3619e-08 au
i 12.51093029658375 6.4191e-06 deg
node 214.6879114660113 1.6611e-05 deg
peri 314.6379189332965 2.2937e-05 deg
M 53.1622575562068 1.4611e-05 deg
tp 2459167.346928577495
(2020-Nov-13.84692858)
6.2676e-05 TDB
period 1551.760769844701
4.25
9.7898e-06
2.68e-08
d
yr
n .2319945232511765 1.4636e-09 deg/d
Q 3.180275427691003 1.3376e-08 au
  Orbit Determination Parameters
   # obs. used (total)      956  
   data-arc span      8675 days (23.75 yr)  
   first obs. used      1997-10-06  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51565  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:16:28  

Additional Information
 Earth MOID = 1.09099 au 
 Jupiter MOID = 1.87743 au 
 T_jup = 3.338 
[ 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 15.31   n/a MPO637232  
diameter diameter 5.581 km 0.299 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90579 Gordonnelson           Discovered 2004 Apr. 15 by the Catalina Sky Survey.
Gordon Nelson (b. 1956) is a well-known amateur paleontologist in southern Arizona. He is co-discoverer of the Sonorasaurus in the desert east of Tucson, Arizona.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-07-12Last Updated: 2014-08-13

[ show close-approach data ]
Alternate Designations
 2004 GF39 = 2002 WQ15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-26 17:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin