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7405 (1988 FF)
Classification: Main-belt Asteroid          SPK-ID: 2007405
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1678473751617975 6.5088e-08  
a 2.768002100608058 1.9165e-08 au
q 2.303400213578654 1.8098e-07 au
i 9.135770156294367 6.5217e-06 deg
node 82.2778584932815 4.0126e-05 deg
peri 169.8802249066674 4.4213e-05 deg
M 2.308452657289546 2.1199e-05 deg
tp 2457589.713848365018
(2016-Jul-20.21384837)
9.9018e-05 JED
period 1682.085433431801
4.61
1.747e-05
4.783e-08
d
yr
n .2140200449067119 2.2228e-09 deg/d
Q 3.232603987637463 2.2382e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1134  
   data-arc span      13504 days (36.97 yr)  
   first obs. used      1979-04-28  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5282  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:59:07  

Additional Information
 Earth MOID = 1.2893 au 
 Jupiter MOID = 1.81516 au 
 T_jup = 3.300 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0 mag n/a MPO365338  
SMASSII spectral type spec_B Ch   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

7405 (1988 FF)          Discovered 1988-Mar-16 by Ueda, S., Kaneda, H. at Kushiro
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1988 FF = 1979 HB6 = 1993 KB 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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