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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603355985921776 7.8639e-08  
a 2.783836571680721 2.5968e-08 AU
q 2.337488468577497 2.1809e-07 AU
i 17.18785865334633 1.1952e-05 deg
node 353.4801108251941 2.3702e-05 deg
peri 43.52523232022177 4.216e-05 deg
M 183.3856203594787 3.2455e-05 deg
tp 2457632.814748223481
(2016-Sep-01.31474822)
0.00015511 JED
period 1696.539715340976
4.64
2.3738e-05
6.499e-08
d
yr
n .2121966239544508 2.9691e-09 deg/d
Q 3.230184674783946 3.0132e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      765  
   data-arc span      18184 days (49.79 yr)  
   first obs. used      1964-08-08  
   last obs. used      2014-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53471  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:25:02  

Additional Information
 Earth MOID = 1.36755 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 12.5 mag n/a MPO263375  

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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