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 ]  
332961 (2011 EM28)
Classification: Main-belt Asteroid          SPK-ID: 2332961
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04274344362093415 6.7947e-08  
a 2.975401782970808 4.182e-08 au
q 2.848222864610768 2.2373e-07 au
i 11.26400452538867 7.2181e-06 deg
node 163.0973563709558 2.8439e-05 deg
peri 346.8610765389092 8.9801e-05 deg
M 328.1538070227719 8.1903e-05 deg
tp 2459166.333351117924
(2020-Nov-12.83335112)
0.00042537 TDB
period 1874.63557873752
5.13
3.9522e-05
1.082e-07
d
yr
n .1920373239914945 4.0487e-09 deg/d
Q 3.102580701330848 4.3607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      8621 days (23.60 yr)  
   first obs. used      1996-06-23  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58869  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 21:12:46  

Additional Information
 Earth MOID = 1.85909 au 
 Jupiter MOID = 1.87726 au 
 T_jup = 3.231 
[ 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 16.0   n/a MPO460358  

332961 (2011 EM28)          Discovered 2006-Apr-04 by Ye, Q.-z. at Lulin
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

[ show close-approach data ]
Alternate Designations
 2011 EM28 = 2006 GN37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-29 23:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin