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227923 (2007 FD38)
Classification: Main-belt Asteroid          SPK-ID: 2227923
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1715128920969347 4.9977e-08  
a 2.618031588689114 2.0515e-08 au
q 2.169005419311911 1.3572e-07 au
i 3.690718072813621 6.1344e-06 deg
node 164.0589124856443 7.0068e-05 deg
peri 38.08515743942849 7.2623e-05 deg
M 87.68635460042299 2.2439e-05 deg
tp 2458823.631130326333
(2019-Dec-06.13113033)
9.3443e-05 TDB
period 1547.250922914586
4.24
1.8187e-05
4.979e-08
d
yr
n .2326707288833676 2.7349e-09 deg/d
Q 3.067057758066316 2.4034e-08 au
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      8208 days (22.47 yr)  
   first obs. used      1998-01-30  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56197  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:41  

Additional Information
 Earth MOID = 1.16675 au 
 Jupiter MOID = 1.8896 au 
 T_jup = 3.382 
[ 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 16.41   n/a E2021B55  

227923 (2007 FD38)          Discovered 2007-Mar-26 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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