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 ]  
15219 (1981 EY42)
Classification: Main-belt Asteroid          SPK-ID: 2015219
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1355541241512922 4.7867e-08  
a 2.411818954906556 1.0407e-08 au
q 2.084886948862713 1.1453e-07 au
i .6328499974225772 5.0585e-06 deg
node 211.7806321474632 0.00043216 deg
peri 10.48035875675833 0.00043254 deg
M 135.2605416613106 1.7599e-05 deg
tp 2458486.475162556540
(2019-Jan-02.97516256)
6.6199e-05 TDB
period 1368.092565701859
3.75
8.8554e-06
2.424e-08
d
yr
n .2631400893661847 1.7032e-09 deg/d
Q 2.7387509609504 1.1818e-08 au
  Orbit Determination Parameters
   # obs. used (total)      711  
   data-arc span      15872 days (43.46 yr)  
   first obs. used      1977-02-12  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53229  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:58:07  

Additional Information
 Earth MOID = 1.0763 au 
 Jupiter MOID = 2.23655 au 
 T_jup = 3.506 
[ 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 16.0   n/a MPO337387  

15219 (1981 EY42)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-28 01:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin