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 ]  
37937 (1998 GA9)
Classification: Main-belt Asteroid          SPK-ID: 2037937
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 .07198682724076141 4.6789e-08  
a 2.623748465271347 1.4966e-08 au
q 2.434873137778646 1.2399e-07 au
i 15.75197728404832 4.0215e-06 deg
node 106.83218734247 1.9137e-05 deg
peri 99.20135525230775 3.4827e-05 deg
M 71.71175541834049 2.9003e-05 deg
tp 2458691.278575809186
(2019-Jul-26.77857581)
0.0001246 TDB
period 1552.321680863815
4.25
1.3282e-05
3.636e-08
d
yr
n .231910695082009 1.9843e-09 deg/d
Q 2.812623792764049 1.6044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1001  
   data-arc span      7762 days (21.25 yr)  
   first obs. used      1998-04-02  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53366  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:41:17  

Additional Information
 Earth MOID = 1.48299 au 
 Jupiter MOID = 2.34026 au 
 T_jup = 3.346 
[ 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 14.5   n/a MPO474235  
diameter diameter 2.824 km 0.310 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.422   0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37937 (1998 GA9)          Discovered 1998-Apr-02 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-05 13:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin