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 ]  
117587 (2005 EG46)
Classification: Main-belt Asteroid          SPK-ID: 2117587
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06685575178402291 4.9674e-08  
a 2.785002297441652 2.4335e-08 au
q 2.59880887512596 1.3809e-07 au
i 4.542873000483649 5.7672e-06 deg
node 171.0396083992976 6.2453e-05 deg
peri 245.1019351934683 7.425e-05 deg
M 109.9519744990945 3.95e-05 deg
tp 2458082.013688019911
(2017-Nov-24.51368802)
0.00018608 TDB
period 1697.605460594701
4.65
2.225e-05
6.092e-08
d
yr
n .2120634083457093 2.7794e-09 deg/d
Q 2.971195719757345 2.5961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      438  
   data-arc span      7491 days (20.51 yr)  
   first obs. used      1998-09-26  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58635  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:05:59  

Additional Information
 Earth MOID = 1.61367 au 
 Jupiter MOID = 2.26219 au 
 T_jup = 3.324 
[ 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 15.8   n/a MPO469216  
diameter diameter 4.139 km 0.524 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117587 (2005 EG46)          Discovered 2005-Mar-03 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2005 EG46 = 1998 SB103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-25 09:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin