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 ]  
46530 (1981 EE10)
Classification: Main-belt Asteroid          SPK-ID: 2046530
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1200674294640999 3.8704e-08  
a 2.233024999902629 8.9979e-09 au
q 1.964911428235249 8.8157e-08 au
i 2.96669707086639 4.3572e-06 deg
node 296.907039096596 8.2898e-05 deg
peri 3.605147896319667 8.4839e-05 deg
M 39.85055289330951 1.8064e-05 deg
tp 2458465.581763719718
(2018-Dec-13.08176372)
6.1014e-05 TDB
period 1218.817846541249
3.34
7.3668e-06
2.017e-08
d
yr
n .2953681725465417 1.7853e-09 deg/d
Q 2.501138571570011 1.0078e-08 au
  Orbit Determination Parameters
   # obs. used (total)      747  
   data-arc span      14143 days (38.72 yr)  
   first obs. used      1981-02-09  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52571  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:27:33  

Additional Information
 Earth MOID = .948566 au 
 Jupiter MOID = 2.67559 au 
 T_jup = 3.629 
[ 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 MPO449295  
rotation period rot_per 5.1 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Polishook, D. (2010) Minor Planet Bull. 37, 65-69.]

46530 (1981 EE10)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 EE10 = 1998 KP14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin