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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1601615631738591 7.1497e-08  
a 2.784290292555931 2.4916e-08 AU
q 2.338354006970371 2.009e-07 AU
i 17.18682750637598 1.0878e-05 deg
node 353.4737507320689 2.3674e-05 deg
peri 43.50786838559821 4.019e-05 deg
M 225.8431396657051 3.1434e-05 deg
tp 2457632.883575697457
(2016-Sep-01.38357570)
0.0001506 JED
period 1696.954495534564
4.65
2.2778e-05
6.236e-08
d
yr
n .2121447575331683 2.8476e-09 deg/d
Q 3.23022657814149 2.8906e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      785  
   data-arc span      18634 days (51.02 yr)  
   first obs. used      1964-08-08  
   last obs. used      2015-08-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53382  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:08:35  

Additional Information
 Earth MOID = 1.36954 AU 
 T_jup = 3.248 
[ 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 MPO263375  

3269 Vibert-Douglas (1981 EX16)          Discovered 1981-Mar-06 by Bus, S. J. at Siding Spring
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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