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 ]  
15215 (1981 EH13)
Classification: Main-belt Asteroid          SPK-ID: 2015215
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2162731205697637 3.4324e-08  
a 2.399569134870975 6.8001e-09 au
q 1.880606830049541 8.2522e-08 au
i 2.983531982707983 3.4724e-06 deg
node 256.4256091878894 6.7448e-05 deg
peri 65.94695270295557 6.7924e-05 deg
M 126.1729129092806 6.9198e-06 deg
tp 2458724.658893994332
(2019-Aug-29.15889399)
2.6144e-05 TDB
period 1357.682835500586
3.72
5.7712e-06
1.58e-08
d
yr
n .2651576572869214 1.1271e-09 deg/d
Q 2.918531439692409 8.2707e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1075  
   data-arc span      15568 days (42.62 yr)  
   first obs. used      1978-07-07  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50556  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:52:03  

Additional Information
 Earth MOID = .868558 au 
 Jupiter MOID = 2.41328 au 
 T_jup = 3.493 
[ 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 15.2   n/a MPO502285  

15215 (1981 EH13)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20000621/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 2021-Apr-16 04:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin