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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .265450918840005 5.7905e-08  
a 2.566399261713885 1.1148e-08 au
q 1.885146219581624 1.4601e-07 au
i 5.602885002488311 4.4784e-06 deg
node 17.74069168370598 5.5757e-05 deg
peri 16.54902500218366 5.6928e-05 deg
M 27.64172252295925 1.0278e-05 deg
tp 2459085.195206679806
(2020-Aug-23.69520668)
4.2927e-05 TDB
period 1501.705458507225
4.11
9.7844e-06
2.679e-08
d
yr
n .239727436535963 1.562e-09 deg/d
Q 3.247652303846146 1.4107e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1195  
   data-arc span      24243 days (66.37 yr)  
   first obs. used      1954-10-22  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46558  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 19:44:25  

Additional Information
 Earth MOID = .891163 au 
 Jupiter MOID = 2.20333 au 
 T_jup = 3.375 
[ show covariance matrix ]

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 14.54   n/a E2021B10  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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