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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2657727863909664 7.1799e-08  
a 2.568565011934378 1.5921e-08 au
q 1.885910331686232 1.7758e-07 au
i 5.60490274105504 5.0721e-06 deg
node 17.83698641458171 6.4482e-05 deg
peri 16.23207452737011 6.5638e-05 deg
M 244.1167768857309 1.682e-05 deg
tp 2459084.507772330471
(2020-Aug-23.00777233)
7.2646e-05 TDB
period 1503.606763397958
4.12
1.398e-05
3.828e-08
d
yr
n .2394243021270045 2.2261e-09 deg/d
Q 3.251219692182524 2.0152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      808  
   data-arc span      23247 days (63.65 yr)  
   first obs. used      1954-10-22  
   last obs. used      2018-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54149  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 18:50:31  

Additional Information
 Earth MOID = .892313 au 
 Jupiter MOID = 2.19656 au 
 T_jup = 3.374 
[ 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 14.5   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

[ 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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