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215741 (2004 EL11)
Classification: Main-belt Asteroid          SPK-ID: 2215741
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1169821330084584 7.522e-08  
a 2.733870043523616 3.5484e-08 au
q 2.414056094464297 1.9948e-07 au
i 4.962739382161517 6.8537e-06 deg
node 98.39388151743943 9.3496e-05 deg
peri 28.01396025444086 0.00010054 deg
M 242.6834823163807 4.344e-05 deg
tp 2459538.549074542326
(2021-Nov-20.04907454)
0.00020684 TDB
period 1651.069011079955
4.52
3.2145e-05
8.801e-08
d
yr
n .2180405528685478 4.2451e-09 deg/d
Q 3.053683992582936 3.9635e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      6155 days (16.85 yr)  
   first obs. used      2002-10-15  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64557  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:04:17  

Additional Information
 Earth MOID = 1.4308 au 
 Jupiter MOID = 2.00457 au 
 T_jup = 3.338 
[ 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 15.8   n/a MPO260381  
diameter diameter 3.880 km 1.257 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215741 (2004 EL11)          Discovered 2004-Mar-10 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2004 EL11 = 2002 VW73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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