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
JPL Small-Body Database Browser
Search: [ help ]  
216686 (2004 GW57)
Classification: Main-belt Asteroid          SPK-ID: 2216686
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09064215291650794 5.774e-08  
a 2.747020908156617 1.9627e-08 au
q 2.498025018934641 1.6192e-07 au
i 2.555775409269887 6.0673e-06 deg
node 139.2587330659606 0.00012854 deg
peri 235.0467409868954 0.000134 deg
M 69.88942310854343 3.3857e-05 deg
tp 2458877.650343116545
(2020-Jan-29.15034312)
0.00015665 TDB
period 1662.996649686696
4.55
1.7823e-05
4.88e-08
d
yr
n .2164766838633276 2.3201e-09 deg/d
Q 2.996016797378594 2.1406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      10338 days (28.30 yr)  
   first obs. used      1992-09-29  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56696  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:55:53  

Additional Information
 Earth MOID = 1.49809 au 
 Jupiter MOID = 2.4546 au 
 T_jup = 3.340 
[ 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 16.81   n/a MPCxxxxx  

216686 (2004 GW57)          Discovered 2004-Apr-14 by Spacewatch at Kitt Peak
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ show close-approach data ]
Alternate Designations
 2004 GW57 = 2001 SO208 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-24 23:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin