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15735 Andakerkhoven (1990 WF2)
Classification: Main-belt Asteroid          SPK-ID: 2015735
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07454097166033917 3.9479e-08  
a 3.177031708352281 1.8944e-08 au
q 2.940212677815995 1.2553e-07 au
i 10.45901673825293 4.0956e-06 deg
node 95.45835889126013 2.4274e-05 deg
peri 257.6247855282936 3.6651e-05 deg
M 132.4177913341175 2.8165e-05 deg
tp 2458239.692842192768
(2018-May-01.19284219)
0.00016103 TDB
period 2068.382005553326
5.66
1.85e-05
5.065e-08
d
yr
n .1740490871770538 1.5567e-09 deg/d
Q 3.413850738888567 2.0356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1802  
   data-arc span      11774 days (32.24 yr)  
   first obs. used      1988-08-04  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49178  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:31:41  

Additional Information
 Earth MOID = 1.95725 au 
 Jupiter MOID = 1.94989 au 
 T_jup = 3.170 
[ 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 13.1   n/a MPO502290  
diameter diameter 11.773 km 0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 22.5355 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.053   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15735 Andakerkhoven           Discovered 1990 Nov. 18 by E. W. Elst at the European Southern Observatory.
Melisande T. M. "Anda" Kerkhoven (1919-1945), a medical student at Groningen University, was active in the Dutch Resistance during World War II. Providing help and shelter for allied aircraft pilots, she was finally captured and shot by Dutch Nazi collaborators.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080618/MPCPages.arcLast Updated: 2008-06-20

[ 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
1906-Aug-05 04:11 00:03 Jupiter 1.93611810261587 1.93611768670084 1.93611851853112 4.0927078151934 3.98438042568285 2417427.674623806 2.77797502370219 98.3498395033072 17.3694428083047 86.3427519650609 4175914.06307644 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 02:31:46 2020-Nov-13 02:31
2014-Aug-09 00:54 < 00:01 Jupiter 1.97791086987166 1.97791049029111 1.9779112494522 3.74406457674813 3.62788334542625 2456878.537640574 0.191090615449988 44.433157186357 14.2872628534407 -78.0612598232894 3935564.48434603 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 02:31:46 2020-Nov-13 02:31
2025-Jun-05 08:11 < 00:01 Jupiter 1.94139861791957 1.94139826300201 1.94139897283702 4.11587221371843 4.00846779626335 2460831.840687796 0.333161306537228 52.3484274898172 15.5345481257401 -86.5278514372197 4244488.9250206 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 02:31:46 2020-Nov-13 02:31
2144-Apr-07 21:04 00:03 Jupiter 1.95350467091391 1.95350431217681 1.95350502965134 4.10891493775624 4.00199943558697 2504237.377581280 3.28023629573317 162.534905739915 15.2365232327443 -87.4561638980525 4269851.64102225 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 02:31:46 2020-Nov-13 02:31
2155-Jan-29 09:47 00:04 Jupiter 1.99680375803179 1.99680308629405 1.99680442976952 4.36910689301914 4.27091520819734 2508185.907961451 3.65862913599345 58.6821120847797 31.0242880721136 -81.0709224977434 3728883.98551353 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 02:31:46 2020-Nov-13 02:31

Alternate Designations
 1990 WF2 = 1988 PD3 = 1999 JR82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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