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 ]  
5637 Gyas (1988 RF1)
Classification: Jupiter Trojan          SPK-ID: 2005637
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1186559088845469 6.2648e-08  
a 5.163051678075518 1.2257e-07 au
q 4.550425088595582 3.7607e-07 au
i 22.42175134481095 6.4752e-06 deg
node 1.95506785556417 1.2198e-05 deg
peri 331.2082978650157 2.8462e-05 deg
M 296.0687589782742 3.1851e-05 deg
tp 2459961.472161039519
(2023-Jan-16.97216104)
0.00039565 TDB
period 4285.07211178851
11.73
0.00015259
4.178e-07
d
yr
n .08401258849521268 2.9916e-09 deg/d
Q 5.775678267555453 1.3711e-07 au
  Orbit Determination Parameters
   # obs. used (total)      840  
   data-arc span      24448 days (66.93 yr)  
   first obs. used      1953-08-14  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54791  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:47:07  

Additional Information
 Earth MOID = 3.55726 au 
 Jupiter MOID = .241439 au 
 T_jup = 2.836 
[ 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 11.56   n/a E2021B10  
diameter diameter 28.168 km 0.321 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.056   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

5637 Gyas (1988 RF1)          Discovered 1988-Sep-10 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-17 06:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin