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266449 (2007 JE)
Classification: Main-belt Asteroid          SPK-ID: 2266449
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1339546637361086 4.0319e-08  
a 2.776046595775193 1.8474e-08 au
q 2.404182207522358 1.1587e-07 au
i 4.319949432478595 4.4755e-06 deg
node 237.6433887081601 5.9091e-05 deg
peri 253.6689590900463 6.4268e-05 deg
M 19.43316502588 2.1023e-05 deg
tp 2458909.303201612089
(2020-Feb-29.80320161)
9.8785e-05 TDB
period 1689.423589823148
4.63
1.6864e-05
4.617e-08
d
yr
n .2130904304690605 2.1271e-09 deg/d
Q 3.147910984028028 2.0949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      492  
   data-arc span      7094 days (19.42 yr)  
   first obs. used      2000-11-17  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52782  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:24:12  

Additional Information
 Earth MOID = 1.42321 au 
 Jupiter MOID = 1.92818 au 
 T_jup = 3.318 
[ 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 15.9   n/a MPO454981  

266449 (2007 JE)          Discovered 2007-May-07 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2007 JE = 2005 YO190 = 2009 SQ47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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