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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .268504703200423 7.5704e-08  
a 2.563994454789763 1.8471e-08 AU
q 1.875549884698907 1.8674e-07 AU
i 5.623819672318466 7.127e-06 deg
node 17.94723266450495 8.0001e-05 deg
peri 15.95987966951247 8.1484e-05 deg
M 172.6341199179247 2.2609e-05 deg
tp 2456081.385271869613
(2012-Jun-02.88527187)
9.0078e-05 JED
period 1499.595226308792
4.11
1.6204e-05
4.436e-08
d
yr
n .2400647812717629 2.5941e-09 deg/d
Q 3.252439024880619 2.343e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      566  
   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      .56586  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:37:19  

Additional Information
 Earth MOID = .881216 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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