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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1902539169810221 8.4521e-08  
a 2.430111660639634 1.724e-08 AU
q 1.967773398501687 2.0306e-07 AU
i 3.418219150989443 6.9117e-06 deg
node 117.8630202945077 0.00012133 deg
peri 238.8897850215411 0.00012306 deg
M 222.6814195069501 2.706e-05 deg
tp 2457328.294153910527
(2015-Nov-01.79415391)
0.00010798 JED
period 1383.686713957887
3.79
1.4725e-05
4.031e-08
d
yr
n .2601745007511553 2.7687e-09 deg/d
Q 2.89244992277758 2.052e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      901  
   data-arc span      11877 days (32.52 yr)  
   first obs. used      1981-08-30  
   last obs. used      2014-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55078  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 10:50:36  

Additional Information
 Earth MOID = .964649 AU 
 T_jup = 3.481 
[ 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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