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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1763171530536725 3.1819e-08  
a 3.135097764535478 1.4141e-08 au
q 2.58232625214765 9.9553e-08 au
i .7225499548035503 3.4404e-06 deg
node 23.36142841681033 0.00027758 deg
peri 327.4097676006489 0.00027777 deg
M 63.79092819510775 9.8862e-06 deg
tp 2458841.221292169749
(2019-Dec-23.72129217)
5.5706e-05 TDB
period 2027.566277501034
5.55
1.3718e-05
3.756e-08
d
yr
n .1775527655962489 1.2013e-09 deg/d
Q 3.687869276923306 1.6634e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2227  
   data-arc span      14331 days (39.24 yr)  
   first obs. used      1981-10-23  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50592  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:39:52  

Additional Information
 Earth MOID = 1.5748 au 
 Jupiter MOID = 1.745 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 13.41   n/a E2021B10  
diameter diameter 11.745 km 0.232 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.905 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1945-Jun-03 02:13 00:01 Jupiter 1.77158236258094 1.77158195009156 1.77158277507013 1.68880133621553 1.37688678814376 2431609.592614025 1.44235679434397 82.8389948581273 32.6329277018394 -89.5123909183438 2648842.6028602 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 01:39:56 2021-Feb-24 01:39
1955-Sep-15 07:53 00:01 Jupiter 1.78081364997216 1.78081325743956 1.78081404250465 1.95916035784711 1.69912726139976 2435365.828404307 1.20726799923157 61.0459443763893 13.3001643808672 -77.2255259293735 2966309.6797795 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 01:39:56 2021-Feb-24 01:39
2028-Jun-18 17:08 < 00:01 Jupiter 1.7624726288906 1.7624723406669 1.76247291711439 1.65755411237205 1.33652923912798 2461941.214115472 0.40159125215573 73.0892345693207 33.6848474638842 -80.3047958677747 3294172.55310378 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 01:39:56 2021-Feb-24 01:39
2038-Sep-30 16:58 < 00:01 Jupiter 1.79556739871255 1.79556694781511 1.7955678496099 2.01877459693007 1.76974332109119 2465697.207203295 0.632446106915936 50.0780395543598 10.2070279304902 -82.2655308367101 2755873.84120046 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 01:39:56 2021-Feb-24 01:39
2101-Mar-20 12:27 00:02 Jupiter 1.98873745906053 1.9887366617144 1.98873825640644 2.58192304982846 2.41132894776436 2488513.018433046 1.85668528428427 54.9603919441524 12.5999263297639 -80.7454026211708 1930389.64496215 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 01:39:56 2021-Feb-24 01:39
2111-Jul-05 09:55 00:02 Jupiter 1.75425439135595 1.7542540054282 1.75425477728349 1.63041498224264 1.30098997821255 2492271.913252318 2.11687921559798 114.4406812941 41.9275105904855 88.9097276765569 2645888.04048964 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 01:39:56 2021-Feb-24 01:39
2121-Oct-15 17:14 00:02 Jupiter 1.81432250933431 1.81432171686891 1.81432330180013 2.09548307851402 1.8593930893219 2496027.218134232 2.39178328771394 90.7909478588397 8.32607361037811 -80.9341466831896 2463926.94952441 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 01:39:56 2021-Feb-24 01:39
2184-Apr-05 03:39 00:04 Jupiter 1.96868671525251 1.96868536453099 1.96868806597391 2.49357843781058 2.31461410338109 2518844.652080038 3.60994663635687 84.7576396225879 11.6263139862613 -78.8109965105407 1625204.43737925 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 01:39:56 2021-Feb-24 01:39
2194-Jul-21 20:27 00:04 Jupiter 1.75644419537135 1.75644373230314 1.75644465844105 1.63108039924693 1.30228611047368 2522604.352119560 3.87604958859206 186.104752438911 41.4708397635516 87.7711333255742 2639084.15045023 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 01:39:56 2021-Feb-24 01:39

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