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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .268159055005081 7.5672e-08  
a 2.564932279149324 1.8551e-08 au
q 1.877122463020613 1.8668e-07 au
i 5.622768439973141 7.1254e-06 deg
node 17.9341897957047 7.9876e-05 deg
peri 15.91216272281278 8.1365e-05 deg
M 316.6835666696452 2.3529e-05 deg
tp 2457581.035440690307
(2016-Jul-11.53544069)
9.9259e-05 JED
period 1500.4180550333
4.11
1.6278e-05
4.457e-08
d
yr
n .2399331298316123 2.603e-09 deg/d
Q 3.252742095278035 2.3526e-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 = .882624 au 
 Jupiter MOID = 2.19666 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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