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7863 Turnbull (1981 VK)
Classification: Main-belt Asteroid          SPK-ID: 2007863
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1763994592178677 4.018e-08  
a 3.135305724900565 1.6966e-08 au
q 2.58223949054542 1.3029e-07 au
i .7225573212991064 3.9784e-06 deg
node 23.38154707698531 0.00031688 deg
peri 327.1935471641474 0.00031705 deg
M 317.4019284576438 1.0051e-05 deg
tp 2458840.441686939489
(2019-Dec-22.94168694)
5.6732e-05 TDB
period 2027.768022604671
5.55
1.646e-05
4.507e-08
d
yr
n .1775351006559318 1.4411e-09 deg/d
Q 3.688371959255709 1.9959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1892  
   data-arc span      13923 days (38.12 yr)  
   first obs. used      1981-10-23  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52728  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 22:32:24  

Additional Information
 Earth MOID = 1.5755 au 
 Jupiter MOID = 1.73971 au 
 T_jup = 3.188 
[ 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 13.3   n/a MPO435774  
diameter diameter 11.745 km 0.232 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.081   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7863 Turnbull           Discovered 1981 Nov. 2 by B. A. Skiff at the Anderson Mesa Station of the Lowell Observatory.
Margaret A. ("Maggie") Turnbull (b. 1975), a graduate student in astronomy, has among her goals the study of the nature of life and intelligence as part of the universe.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990928/MPCPages.arcLast Updated: 2010-06-11

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Alternate Designations
 1981 VK = 1986 QV5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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