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7380 (1981 RF)
Classification: Main-belt Asteroid          SPK-ID: 2007380
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1901904976820902 7.2178e-08  
a 2.430452364405096 1.7622e-08 AU
q 1.968203419626278 1.7591e-07 AU
i 3.418233813563778 6.0441e-06 deg
node 117.8621839560798 0.00011642 deg
peri 238.849622919588 0.0001179 deg
M 274.754320368524 2.5271e-05 deg
tp 2457328.217002593010
(2015-Nov-01.71700259)
9.9651e-05 JED
period 1383.97771527557
3.79
1.5052e-05
4.121e-08
d
yr
n .2601197953019921 2.829e-09 deg/d
Q 2.892701309183915 2.0974e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      935  
   data-arc span      11992 days (32.83 yr)  
   first obs. used      1981-08-30  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54097  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:16:53  

Additional Information
 Earth MOID = .966632 AU 
 T_jup = 3.480 
[ 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 14.0 mag n/a MPO263415  

7380 (1981 RF)          Discovered 1981-Sep-03 by Thomas, N. G. at Anderson Mesa (688)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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