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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1691531501796524 7.1319e-08  
a 2.769289462807484 2.8508e-08 AU
q 2.300855426414281 1.9757e-07 AU
i 9.142954233234235 7.6852e-06 deg
node 82.37664454584301 4.9095e-05 deg
peri 169.66071130257 5.5456e-05 deg
M 234.1956423526357 3.2865e-05 deg
tp 2457588.725896741015
(2016-Jul-19.22589674)
0.00015937 JED
period 1683.25904433567
4.61
2.5992e-05
7.116e-08
d
yr
n .213870824702493 3.3025e-09 deg/d
Q 3.237723499200687 3.333e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      913  
   data-arc span      12943 days (35.44 yr)  
   first obs. used      1979-04-28  
   last obs. used      2014-10-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55083  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:09:50  

Additional Information
 Earth MOID = 1.28854 AU 
 T_jup = 3.299 
[ 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 12.9 mag n/a MPO250282  
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 (399)
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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