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134205 (2005 ET198)
Classification: Main-belt Asteroid          SPK-ID: 2134205
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2766276099151932 3.7911e-08  
a 2.382076845841378 8.6266e-09 au
q 1.723128621341956 9.2579e-08 au
i 6.122285031291933 4.4275e-06 deg
node .6164166138493079 3.4012e-05 deg
peri 1.351517140935639 3.4689e-05 deg
M 247.8269427048789 8.9109e-06 deg
tp 2459418.925491059946
(2021-Jul-23.42549106)
3.4751e-05 TDB
period 1342.864145935445
3.68
7.2947e-06
1.997e-08
d
yr
n .2680837083108078 1.4563e-09 deg/d
Q 3.041025070340801 1.1013e-08 au
  Orbit Determination Parameters
   # obs. used (total)      839  
   data-arc span      17023 days (46.61 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5358  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:17:34  

Additional Information
 Earth MOID = .720449 au 
 Jupiter MOID = 2.41616 au 
 T_jup = 3.477 
[ 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 15.7   n/a MPO432806  

134205 (2005 ET198)          Discovered 2005-Mar-11 by Mt. Lemmon Survey at Mt. Lemmon
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 2005 ET198 = 1015 T-2 = 2004 BN20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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