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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2653404706957759 5.8571e-08  
a 2.566005713212469 1.2123e-08 au
q 1.885140549460622 1.4719e-07 au
i 5.603080522790285 4.9227e-06 deg
node 17.74208197882202 5.7092e-05 deg
peri 16.53167755489075 5.8265e-05 deg
M 339.7005525067295 1.1402e-05 deg
tp 2459085.157720825936
(2020-Aug-23.65772083)
4.761e-05 TDB
period 1501.360049697917
4.11
1.0639e-05
2.913e-08
d
yr
n .2397825891746847 1.6992e-09 deg/d
Q 3.246870876964315 1.5339e-08 au
  Orbit Determination Parameters
   # obs. used (total)      991  
   data-arc span      24116 days (66.03 yr)  
   first obs. used      1954-10-22  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50104  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:27:58  

Additional Information
 Earth MOID = .892268 au 
 Jupiter MOID = 2.20299 au 
 T_jup = 3.375 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO431585  

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

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Alternate Designations
 1987 VB1 = 1954 UQ = 1987 WE4 = 1991 RJ26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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