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3269 Vibert-Douglas (1981 EX16)
Classification: Main-belt Asteroid          SPK-ID: 2003269
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606742243950632 8.531e-08  
a 2.783256671567712 1.9196e-08 AU
q 2.336059064571184 2.3661e-07 AU
i 17.19041244483216 1.2803e-05 deg
node 353.4837337612849 2.5644e-05 deg
peri 43.53464399151557 4.6765e-05 deg
M 98.45342146659665 3.5316e-05 deg
tp 2455936.672357349268
(2012-Jan-10.17235735)		 0.00016611 JED
period 1696.009634473862
4.64		 1.7546e-05
4.804e-08		 d
yr
n .2122629451404499 2.196e-09 deg/d
Q 3.230454278564239 2.228e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      731  
   data-arc span      17769 days (48.65 yr)  
   first obs. used      1964-08-08  
   last obs. used      2013-04-02  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .57871  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 12:56:45  

Additional Information
 Earth MOID = 1.36684 AU 
 T_jup = 3.249 
[ 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 12.7 mag n/a PDS3 (MPC 28109)  

3269 Vibert-Douglas (1981 EX16)          Discovered 1981-Mar-06 by Bus, S. J. at Siding Spring (413)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1981 EX16 = 1969 RG = 1969 RR1 = 1979 YH1 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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