Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
21037 (1990 EB)
Classification: Main-belt Asteroid          SPK-ID: 2021037
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1520162629147836 6.6788e-08  
a 2.373622379873873 1.521e-08 AU
q 2.012793176114552 1.6073e-07 AU
i 12.08738556694285 7.2224e-06 deg
node 149.9832123915677 2.7916e-05 deg
peri 54.43772371726263 3.5319e-05 deg
M 193.2590427223425 2.1308e-05 deg
tp 2457419.165158939114
(2016-Jan-31.66515894)
8.1326e-05 JED
period 1335.721353975485
3.66
1.2839e-05
3.515e-08
d
yr
n .2695172903604018 2.5905e-09 deg/d
Q 2.734451583633194 1.7522e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      855  
   data-arc span      8646 days (23.67 yr)  
   first obs. used      1990-03-04  
   last obs. used      2013-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54483  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Nov-21 07:26:47  

Additional Information
 Earth MOID = 1.03752 AU 
 T_jup = 3.498 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO267786  

21037 (1990 EB)          Discovered 1990-Mar-04 by Sugie, A. at Dynic (402)
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 EB = 1999 RM39 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-24 16:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin