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227888 (2007 EF48)
Classification: Main-belt Asteroid          SPK-ID: 2227888
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01697023500357934 5.5106e-08  
a 2.742174275140179 2.2855e-08 au
q 2.69563893327028 1.5812e-07 au
i 4.615889646091352 5.4292e-06 deg
node 38.06678318110573 6.8471e-05 deg
peri 204.2456215824481 0.00019154 deg
M 323.7035498789873 0.00018072 deg
tp 2459367.725559110328
(2021-Jun-02.22555911)
0.0008331 TDB
period 1658.597495870992
4.54
2.0736e-05
5.677e-08
d
yr
n .2170508522388372 2.7136e-09 deg/d
Q 2.788709617010078 2.3243e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      8987 days (24.61 yr)  
   first obs. used      1995-09-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51687  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:32  

Additional Information
 Earth MOID = 1.68202 au 
 Jupiter MOID = 2.17912 au 
 T_jup = 3.345 
[ 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 16.28   n/a E2021B55  

227888 (2007 EF48)          Discovered 2007-Mar-09 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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