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 ]  
58115 (1981 EB7)
Classification: Main-belt Asteroid          SPK-ID: 2058115
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05195489469003321 6.1706e-08  
a 3.121933591020472 3.5383e-08 au
q 2.959733860069726 1.9828e-07 au
i 8.475521897066052 8.2696e-06 deg
node 316.0093907636426 3.9528e-05 deg
peri 330.9685546132505 8.8872e-05 deg
M 227.1185297094679 8.3326e-05 deg
tp 2459344.196678482592
(2021-May-09.69667848)
0.00046941 TDB
period 2014.809165404073
5.52
3.4253e-05
9.378e-08
d
yr
n .1786769715869351 3.0376e-09 deg/d
Q 3.284133321971218 3.7222e-08 au
  Orbit Determination Parameters
   # obs. used (total)      414  
   data-arc span      13879 days (38.00 yr)  
   first obs. used      1981-03-06  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64482  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:33:09  

Additional Information
 Earth MOID = 1.94621 au 
 Jupiter MOID = 1.90734 au 
 T_jup = 3.197 
[ 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 14.8   n/a MPO299347  
diameter diameter 4.251 km 0.815 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.129   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58115 (1981 EB7)          Discovered 1981-Mar-06 by Bus, S. J. at Siding Spring
Reference: 20030614/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-Jan-26 03:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin