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7464 Vipera (1987 VB1)
Classification: Main-belt Asteroid          SPK-ID: 2007464
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2680999053156725 7.5701e-08  
a 2.56482734177749 1.8725e-08 au
q 1.877197374295897 1.8663e-07 au
i 5.622842360959063 7.1256e-06 deg
node 17.93377026422679 7.9873e-05 deg
peri 15.89858407247376 8.1362e-05 deg
M 4.677409358980111 2.3851e-05 deg
tp 2457581.006558975070
(2016-Jul-11.50655898)
9.9268e-05 JED
period 1500.325977563143
4.11
1.643e-05
4.498e-08
d
yr
n .2399478549219807 2.6276e-09 deg/d
Q 3.252457309259082 2.3745e-08 au
  Orbit Determination Parameters
   # obs. used (total)      575  
   data-arc span      21767 days (59.59 yr)  
   first obs. used      1954-10-22  
   last obs. used      2014-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56194  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:10:32  

Additional Information
 Earth MOID = .882705 au 
 Jupiter MOID = 2.19579 au 
 T_jup = 3.375 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPO263415  

7464 Vipera           Discovered 1987 Nov. 15 by A. Mrkos at Klet.
Named for the viper family, particularly Vipera berus, the adder or northern viper, a nice rare snake that inhabits Klet mountain. The name was suggested by M. Tichy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010804/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1987 VB1 = 1954 UQ = 1987 WE4 = 1991 RJ26 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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