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216880 (2008 FF118)
Classification: Main-belt Asteroid          SPK-ID: 2216880
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1389457722970122 7.1439e-08  
a 3.170840629543947 3.7572e-08 au
q 2.730265729441219 2.3301e-07 au
i 9.426953610617279 6.5556e-06 deg
node 169.5751401327958 3.6292e-05 deg
peri 211.6805581800214 4.1575e-05 deg
M 260.2859898325239 2.6344e-05 deg
tp 2459771.733580829031
(2022-Jul-11.23358083)
0.00015766 TDB
period 2062.338970753043
5.65
3.6655e-05
1.004e-07
d
yr
n .1745590832085908 3.1025e-09 deg/d
Q 3.611415529646675 4.2792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      6703 days (18.35 yr)  
   first obs. used      2002-03-12  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6947  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:39  

Additional Information
 Earth MOID = 1.73609 au 
 Jupiter MOID = 1.86808 au 
 T_jup = 3.166 
[ 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 15.85   n/a E2021B55  

216880 (2008 FF118)          Discovered 2008-Mar-31 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ show close-approach data ]
Alternate Designations
 2008 FF118 = 2005 UM485 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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