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136455 (2005 ET184)
Classification: Main-belt Asteroid          SPK-ID: 2136455
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05469350627781374 5.2382e-08  
a 3.152288789935897 3.3717e-08 au
q 2.979879063214056 1.633e-07 au
i 26.93588805419077 8.1493e-06 deg
node 19.88269319791702 1.1402e-05 deg
peri 283.8284187902078 7.7709e-05 deg
M 160.3339820314748 7.9428e-05 deg
tp 2458090.040773786834
(2017-Dec-02.54077379)
0.00044912 TDB
period 2044.266083108924
5.60
3.2799e-05
8.98e-08
d
yr
n .1761023200328752 2.8254e-09 deg/d
Q 3.324698516657738 3.5561e-08 au
  Orbit Determination Parameters
   # obs. used (total)      677  
   data-arc span      6827 days (18.69 yr)  
   first obs. used      2001-08-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57119  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:38:35  

Additional Information
 Earth MOID = 2.06182 au 
 Jupiter MOID = 1.85541 au 
 T_jup = 3.036 
[ 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 MPO382026  
diameter diameter 8.310 km 0.244 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136455 (2005 ET184)          Discovered 2005-Mar-09 by Mt. Lemmon Survey at Mt. Lemmon
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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