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266378 (2007 ET111)
Classification: Main-belt Asteroid          SPK-ID: 2266378
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02729928023799183 7.5787e-08  
a 2.788776763407272 2.8709e-08 au
q 2.712645165021818 2.1607e-07 au
i 3.188032700772482 7.5717e-06 deg
node 114.3966974419102 0.00016331 deg
peri 290.0873260420262 0.00024216 deg
M 87.33715894763348 0.00017596 deg
tp 2458587.817917738657
(2019-Apr-14.31791774)
0.00083192 TDB
period 1701.057733091156
4.66
2.6268e-05
7.192e-08
d
yr
n .2116330286719953 3.268e-09 deg/d
Q 2.864908361792728 2.9493e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      9776 days (26.77 yr)  
   first obs. used      1993-04-19  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54176  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:46:46  

Additional Information
 Earth MOID = 1.72296 au 
 Jupiter MOID = 2.22916 au 
 T_jup = 3.327 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO454980  

266378 (2007 ET111)          Discovered 2007-Mar-11 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2007 ET111 = 1995 UT75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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