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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1000091829205691 6.7962e-08  
a 3.062572217926673 3.1172e-08 AU
q 2.756286872776591 2.0985e-07 AU
i 7.9144045861197 6.8568e-06 deg
node 327.9198606765628 4.3838e-05 deg
peri 49.43318801477784 5.4046e-05 deg
M 198.2267579942014 3.2304e-05 deg
tp 2457880.194998692816
(2017-May-06.69499869)
0.00018086 JED
period 1957.617932377609
5.36
2.9888e-05
8.183e-08
d
yr
n .1838969668421279 2.8077e-09 deg/d
Q 3.368857563076754 3.429e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1053  
   data-arc span      23771 days (65.08 yr)  
   first obs. used      1950-04-26  
   last obs. used      2015-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49319  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:01:50  

Additional Information
 Earth MOID = 1.76489 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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