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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 ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2687523999448616 7.6655e-08  
a 2.563961233783151 1.4566e-08 AU
q 1.874890498838341 1.9168e-07 AU
i 5.624327716864151 7.8644e-06 deg
node 17.94839664023491 9.8063e-05 deg
peri 15.98755764739713 9.9629e-05 deg
M 76.54279460750358 2.3888e-05 deg
tp 2456081.663948375370
(2012-Jun-03.16394838)		 9.8351e-05 JED
period 1499.566081607564
4.11		 1.2779e-05
3.499e-08		 d
yr
n .2400694470323529 2.0458e-09 deg/d
Q 3.253031968727961 1.8481e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      523  
   data-arc span      21356 days (58.47 yr)  
   first obs. used      1954-10-22  
   last obs. used      2013-04-11  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .60215  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:26:28  

Additional Information
 Earth MOID = .881176 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 14.9 mag n/a PDS3 (MPC 29080)  

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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