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 ]  
305861 (2009 EL24)
Classification: Main-belt Asteroid          SPK-ID: 2305861
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02090955887130524 4.2356e-08  
a 2.784930987031974 2.6496e-08 au
q 2.726699308606106 1.1097e-07 au
i 5.079942660511904 4.4789e-06 deg
node 46.67716060100788 5.4127e-05 deg
peri 205.9705083876783 0.00014305 deg
M 70.57727926040339 0.00013047 deg
tp 2458667.700630626182
(2019-Jul-03.20063063)
0.00061615 TDB
period 1697.540259840978
4.65
2.4226e-05
6.633e-08
d
yr
n .2120715534804012 3.0265e-09 deg/d
Q 2.843162665457841 2.705e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      6575 days (18.00 yr)  
   first obs. used      2002-11-05  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5587  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:08:58  

Additional Information
 Earth MOID = 1.7135 au 
 Jupiter MOID = 2.13669 au 
 T_jup = 3.326 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458026.5 (2017-Sep-30.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02028452156251623 4.1278e-08  
q 2.727901617019297 1.0817e-07 au
tp 2458692.048024630200
(2019-Jul-27.54802463)
0.00064721 TDB
node 46.74635838658021 5.4003e-05 deg
peri 211.2488935129907 0.00014931 deg
i 5.086564989174796 4.4844e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      6575 days (18.00 yr)  
   first obs. used      2002-11-05  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5587  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:08:58  

Additional Information
 Jupiter MOID = 2.13669 au 
 T_jup = 3.326 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.70383943983159E-15 -4.351966307393585E-15 -6.149536250986103E-12 1.29687115457192E-14 -1.420146538427194E-12 1.567076128834058E-16
q -4.351966307393585E-15 1.169980573800236E-14 1.295460651985651E-11 -3.394210255520385E-14 2.994199896916897E-12 5.52511841120358E-16
tp -6.149536250986103E-12 1.295460651985651E-11 4.188848377013937E-7 -2.320242164236971E-10 9.010654499711248E-8 -2.977507856076184E-11
node 1.29687115457192E-14 -3.394210255520385E-14 -2.320242164236971E-10 2.916365176141365E-9 -2.954627892903279E-9 -6.664548797569471E-11
peri -1.420146538427194E-12 2.994199896916897E-12 9.010654499711248E-8 -2.954627892903279E-9 2.229479267198543E-8 5.99372950991185E-11
i 1.567076128834058E-16 5.52511841120358E-16 -2.977507856076184E-11 -6.664548797569471E-11 5.99372950991185E-11 2.011014949203217E-11

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 16.3   n/a MPO437358  

305861 (2009 EL24)          Discovered 2009-Mar-02 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 EL24 = 2002 VB138 = 2007 XV22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-26 10:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin