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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .276611535111676 3.592e-08  
a 2.382759445024498 8.5715e-09 au
q 1.723660697134426 8.8061e-08 au
i 6.121938294757012 4.0418e-06 deg
node .6064833615910323 3.1394e-05 deg
peri 1.300334312902518 3.2035e-05 deg
M 301.4996000178014 8.9066e-06 deg
tp 2459418.810719594227
(2021-Jul-23.31071959)
3.4067e-05 TDB
period 1343.441396603044
3.68
7.2491e-06
1.985e-08
d
yr
n .2679685179497054 1.4459e-09 deg/d
Q 3.041858192914569 1.0942e-08 au
  Orbit Determination Parameters
   # obs. used (total)      883  
   data-arc span      17072 days (46.74 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52719  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:07:22  

Additional Information
 Earth MOID = .719356 au 
 Jupiter MOID = 2.41619 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 15.80   n/a E2021B55  

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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