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8478 (1987 DO6)
Classification: Main-belt Asteroid          SPK-ID: 2008478
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09985352515615041 6.5714e-08  
a 3.06353862078046 3.0837e-08 au
q 2.75763349004352 2.0415e-07 au
i 7.914356297064678 6.6496e-06 deg
node 327.9158947684021 4.3761e-05 deg
peri 49.26200682346654 5.3636e-05 deg
M 271.9530526032478 3.249e-05 deg
tp 2457879.510760054897
(2017-May-06.01076005)
0.00017985 JED
period 1958.544602832239
5.36
2.9572e-05
8.096e-08
d
yr
n .1838099573935698 2.7753e-09 deg/d
Q 3.3694437515174 3.3916e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1059  
   data-arc span      23798 days (65.16 yr)  
   first obs. used      1950-04-26  
   last obs. used      2015-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49239  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:59:27  

Additional Information
 Earth MOID = 1.76443 au 
 Jupiter MOID = 2.12109 au 
 T_jup = 3.211 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.5 mag n/a MPO263425  

8478 (1987 DO6)          Discovered 1987-Feb-23 by Debehogne, H. at La Silla
Reference: 19980313/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1987 DO6 = 1950 HJ1 = 1981 AA3 = 1995 SV3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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