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 ]  
15682 (1981 EB25)
Classification: Main-belt Asteroid          SPK-ID: 2015682
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 .2333059495547348 2.7212e-08  
a 2.991165440407859 1.1901e-08 au
q 2.293308747058197 8.1635e-08 au
i 11.5582092163396 3.78e-06 deg
node 178.6835091631589 2.0869e-05 deg
peri 135.6926940187423 2.2985e-05 deg
M 98.02971097488832 1.0206e-05 deg
tp 2458485.965736996934
(2019-Jan-02.46573700)
5.2425e-05 TDB
period 1889.553002237796
5.17
1.1277e-05
3.087e-08
d
yr
n .1905212500383172 1.137e-09 deg/d
Q 3.689022133757521 1.4678e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1557  
   data-arc span      14233 days (38.97 yr)  
   first obs. used      1981-02-09  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5103  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:24:45  

Additional Information
 Earth MOID = 1.2966 au 
 Jupiter MOID = 1.77793 au 
 T_jup = 3.184 
[ 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 13.7   n/a MPO452393  
diameter diameter 6.599 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.134   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15682 (1981 EB25)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20000726/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-Oct-21 03:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin