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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1699917633345 7.1656e-08  
a 2.767270590026141 2.5631e-08 AU
q 2.296857382803895 1.9951e-07 AU
i 9.149030491355909 7.831e-06 deg
node 82.38767333876196 5.1762e-05 deg
peri 169.7351311800528 5.8074e-05 deg
M 191.3338994153548 3.2944e-05 deg
tp 2457588.273145338680
(2016-Jul-18.77314534)
0.00016053 JED
period 1681.4186806886
4.60
2.336e-05
6.396e-08
d
yr
n .2141049127945738 2.9746e-09 deg/d
Q 3.237683797248387 2.9988e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      905  
   data-arc span      12707 days (34.79 yr)  
   first obs. used      1979-04-28  
   last obs. used      2014-02-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60112  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 18:06:47  

Additional Information
 Earth MOID = 1.28284 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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