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JPL Small-Body Database Browser
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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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07454096687840712 3.9672e-08  
a 3.177031711182315 1.9057e-08 au
q 2.940212695627425 1.2633e-07 au
i 10.45901672610736 4.1185e-06 deg
node 95.45835833219694 2.452e-05 deg
peri 257.6247817660757 3.6951e-05 deg
M 132.4177947678858 2.8283e-05 deg
tp 2458239.692821447465
(2018-May-01.19282145)
0.00016179 TDB
period 2068.382008317034
5.66
1.8611e-05
5.095e-08
d
yr
n .1740490869444947 1.566e-09 deg/d
Q 3.413850726737206 2.0478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1764  
   data-arc span      11587 days (31.72 yr)  
   first obs. used      1988-08-04  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49351  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:14:58  

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 1.93611808807225 1.93611767094309 1.93611850520174 4.09270776235418 3.98438037058225 2417427.674556396 2.78723835661746 98.7376750641065 17.4887852124999 86.4428629909745 4137247.76521303 T 33 CATAB v2.0f-lin.ifort 2020-May-20 04:15:12 2020-May-20 04:15
2014-Aug-09 00:54 < 00:01 Jupiter 1.97791086458359 1.97791048361575 1.97791124555153 3.74406451142312 3.62788327769364 2456878.537654239 0.193888061088949 44.9630725804705 14.3283601737557 -78.1525978501652 3925030.20518409 T 33 CATAB v2.0f-lin.ifort 2020-May-20 04:15:12 2020-May-20 04:15
2025-Jun-05 08:11 < 00:01 Jupiter 1.94139859689311 1.94139823889321 1.94139895489302 4.11587211882371 4.00846769764715 2460831.840707329 0.338407405072261 52.4336328685553 15.6882290412481 -86.600098080398 4208323.91675268 T 33 CATAB v2.0f-lin.ifort 2020-May-20 04:15:12 2020-May-20 04:15
2144-Apr-07 21:04 00:03 Jupiter 1.95350465451887 1.95350429384084 1.95350501519723 4.10891477656842 4.00199926918365 2504237.377680527 3.29781284064216 163.286614864234 15.3655993786119 -87.5212692773273 4232924.70164079 T 33 CATAB v2.0f-lin.ifort 2020-May-20 04:15:12 2020-May-20 04:15
2155-Jan-29 09:48 00:04 Jupiter 1.99680370792169 1.99680302687791 1.99680438896547 4.36910674458458 4.2709150538577 2508185.908078569 3.67782430042891 58.9397497232014 31.3599039056896 -80.5891639198993 3670991.98713333 T 33 CATAB v2.0f-lin.ifort 2020-May-20 04:15:12 2020-May-20 04:15

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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