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212101 (2005 ET153)
Classification: Main-belt Asteroid          SPK-ID: 2212101
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08021684662907302 9.8961e-08  
a 2.567353879156958 2.7077e-08 au
q 2.361408846790068 2.4719e-07 au
i 23.02332608930952 7.4931e-06 deg
node 75.38928737520993 2.4422e-05 deg
peri 32.74848569541665 6.295e-05 deg
M 312.3165119215215 5.6078e-05 deg
tp 2459199.518086175876
(2020-Dec-16.01808618)
0.00023493 TDB
period 1502.543415141904
4.11
2.377e-05
6.508e-08
d
yr
n .2395937424317292 3.7904e-09 deg/d
Q 2.773298911523847 2.9249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      6785 days (18.58 yr)  
   first obs. used      1999-12-14  
   last obs. used      2018-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62878  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:51:48  

Additional Information
 Earth MOID = 1.39467 au 
 Jupiter MOID = 2.51634 au 
 T_jup = 3.316 
[ 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 15.8   n/a MPO254365  

212101 (2005 ET153)          Discovered 2005-Mar-09 by CSS at Catalina
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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