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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1000384543253677 8.1797e-08  
a 3.062493286465 2.8805e-08 AU
q 2.756126191705226 2.5161e-07 AU
i 7.914574585778559 8.1561e-06 deg
node 327.9213424789688 4.7177e-05 deg
peri 49.50404355691268 6.008e-05 deg
M 161.3588164079946 3.5495e-05 deg
tp 2455923.092497393904
(2011-Dec-27.59249739)
0.00019169 JED
period 1957.542252538144
5.36
2.7618e-05
7.561e-08
d
yr
n .1839040764168564 2.5946e-09 deg/d
Q 3.368860381224774 3.1686e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      999  
   data-arc span      23354 days (63.94 yr)  
   first obs. used      1950-04-26  
   last obs. used      2014-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53427  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:54:36  

Additional Information
 Earth MOID = 1.76342 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 (809)
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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