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 ]  
58126 (1981 EJ32)
Classification: Main-belt Asteroid          SPK-ID: 2058126
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1207446389524546 5.2577e-08  
a 2.603778028140504 1.6449e-08 au
q 2.289385790220344 1.4065e-07 au
i 4.926097474434033 5.3733e-06 deg
node 270.9941167476509 6.6149e-05 deg
peri 357.70138346 7.0358e-05 deg
M 312.7214153184246 2.3794e-05 deg
tp 2458802.042355544807
(2019-Nov-14.54235554)
0.00010155 TDB
period 1534.632402488257
4.20
1.4542e-05
3.981e-08
d
yr
n .2345838647850098 2.2229e-09 deg/d
Q 2.918170266060663 1.8435e-08 au
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      13945 days (38.18 yr)  
   first obs. used      1981-03-06  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54192  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:12:38  

Additional Information
 Earth MOID = 1.27287 au 
 Jupiter MOID = 2.16687 au 
 T_jup = 3.398 
[ 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 15.7   n/a MPO390108  
diameter diameter 2.902 km 0.725 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58126 (1981 EJ32)          Discovered 1981-Mar-06 by Bus, S. J. at Siding Spring
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 EJ32 = 2000 YS130 
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-18 23:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin