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136373 (2004 EN55)
Classification: Main-belt Asteroid          SPK-ID: 2136373
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02650359563103798 7.5252e-08  
a 3.1550897977797 3.2793e-08 au
q 3.071468573599734 2.5028e-07 au
i 21.58443767446025 5.9022e-06 deg
node 334.8711045851824 1.2331e-05 deg
peri 186.0707079663088 9.1343e-05 deg
M 342.8394495784888 8.8678e-05 deg
tp 2459098.076385416542
(2020-Sep-05.57638542)
0.0005041 TDB
period 2046.991377731202
5.60
3.1914e-05
8.738e-08
d
yr
n .1758678634000934 2.7419e-09 deg/d
Q 3.238711021959667 3.3662e-08 au
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      8082 days (22.13 yr)  
   first obs. used      1998-03-03  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52408  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:37:53  

Additional Information
 Earth MOID = 2.08138 au 
 Jupiter MOID = 1.76433 au 
 T_jup = 3.097 
[ 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 14.5   n/a MPO426849  
diameter diameter 8.797 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136373 (2004 EN55)          Discovered 2004-Mar-14 by NEAT at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2004 EN55 = 1998 EZ17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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