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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02090955855419132 4.2448e-08  
a 2.784930987262432 2.6604e-08 au
q 2.726699309714886 1.1143e-07 au
i 5.079942436011323 4.5001e-06 deg
node 46.67715798537258 5.4363e-05 deg
peri 205.9705105511195 0.00014326 deg
M 70.57727964623403 0.00013057 deg
tp 2458667.700628765531
(2019-Jul-03.20062877)
0.00061663 TDB
period 1697.54026005169
4.65
2.4325e-05
6.66e-08
d
yr
n .2120715534540772 3.0389e-09 deg/d
Q 2.843162664809978 2.716e-08 au
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      6559 days (17.96 yr)  
   first obs. used      2002-11-05  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56098  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:10:27  

Additional Information
 Earth MOID = 1.7135 au 
 Jupiter MOID = 2.13669 au 
 T_jup = 3.326 
[ 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 16.3   n/a MPO437358  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2010-Jul-01 07:11 00:01 Eunom 0.0412874485404124 0.0412846411258831 0.0412902561426831 5.56782675998178 5.5678266989171 2455378.799026379 1.21667586642065 237.322717348631 96.5409012358628 -62.1495841301612 57827.5394344843 T 15 CATAB v2.0f-lin.ifort 2020-Nov-11 19:10:29 2020-Nov-11 19:10

Alternate Designations
 2009 EL24 = 2002 VB138 = 2007 XV22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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