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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 ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02677717934015237 8.0638e-08  
a 3.155506643936563 3.9821e-08 au
q 3.071011076622832 2.5979e-07 au
i 21.58083444829894 7.5419e-06 deg
node 334.8827232446131 1.5597e-05 deg
peri 186.1595042561413 0.00010727 deg
M 272.427822674481 0.00010677 deg
tp 2459098.541717685768
(2020-Sep-06.04171769)
0.00060973 TDB
period 2047.397059689516
5.61
3.8756e-05
1.061e-07
d
yr
n .1758330160221063 3.3284e-09 deg/d
Q 3.240002211250295 4.0888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      412  
   data-arc span      7619 days (20.86 yr)  
   first obs. used      1998-03-03  
   last obs. used      2019-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55468  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:14:45  

Additional Information
 Earth MOID = 2.08141 au 
 Jupiter MOID = 1.76457 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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