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1606 Jekhovsky (1950 RH)
Classification: Main-belt Asteroid          SPK-ID: 2001606
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3189824778681313 3.3566e-08  
a 2.68714761118398 7.4253e-09 au
q 1.829994607771084 9.2117e-08 au
i 7.719995164372469 4.1869e-06 deg
node 190.3348500582364 2.1545e-05 deg
peri 142.9023429080847 2.2286e-05 deg
M 287.5703453643674 6.992e-06 deg
tp 2459324.205162978135
(2021-Apr-19.70516298)
3.2098e-05 TDB
period 1608.924676755239
4.40
6.6688e-06
1.826e-08
d
yr
n .2237519289753337 9.2742e-10 deg/d
Q 3.544300614596876 9.7938e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2740  
   data-arc span      41568 days (113.81 yr)  
   first obs. used      1906-10-13  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46861  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:37:24  

Additional Information
 Earth MOID = .82741 au 
 Jupiter MOID = 1.90208 au 
 T_jup = 3.286 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456772.5 (2014-Apr-25.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3160799684735222 3.3576e-08  
q 1.841354632966566 9.2293e-08 au
tp 2456103.107007426893
(2012-Jun-24.60700743)
2.6252e-05 TDB
node 190.4335337722401 2.1602e-05 deg
peri 142.8044446252422 2.2359e-05 deg
i 7.700534688258088 4.1783e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2740  
   data-arc span      41568 days (113.81 yr)  
   first obs. used      1906-10-13  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46861  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:37:24  

Additional Information
 Jupiter MOID = 1.90208 au 
 T_jup = 3.286 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.127315086146297E-15 -3.094681756772305E-15 1.585857564068701E-13 -4.98619335080386E-16 6.130602387631632E-14 -6.054520229393412E-16
q -3.094681756772305E-15 8.517975168934772E-15 -3.958633679345068E-13 2.726287210591268E-16 -1.583232600205303E-13 2.074251513340741E-15
tp 1.585857564068701E-13 -3.958633679345068E-13 6.891454906648079E-10 -6.509144153977848E-12 1.583768650582625E-10 1.001146937193524E-12
node -4.98619335080386E-16 2.726287210591268E-16 -6.509144153977848E-12 4.666286248251889E-10 -4.633032706428114E-10 5.195036687144586E-12
peri 6.130602387631632E-14 -1.583232600205303E-13 1.583768650582625E-10 -4.633032706428114E-10 4.999329342981681E-10 -4.822203508655845E-12
i -6.054520229393412E-16 2.074251513340741E-15 1.001146937193524E-12 5.195036687144586E-12 -4.822203508655845E-12 1.745781824317841E-11

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 12.0   n/a MPO473785  
diameter diameter 18.981 km 0.340 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 165.946 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.033   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.734   0.025 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=12.70, mean=17.83, max.=22.97) deg.
U-B UB 0.390   0.047 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=12.70, mean=17.83, max.=22.97) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

1606 Jekhovsky (1950 RH)          Discovered 1950-Sep-14 by Boyer, L. at Algiers
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
1908-Jul-26 23:40 00:01 Jupiter 1.8907030657873 1.89070272117318 1.89070341040207 1.0078206375488 0.345999444045848 2418149.486200161 1.22129148992841 5486.84148047106 352.595512329865 -1.72625471891054 1197470.37200194 T 36 CATAB v2.0f-lin.ifort 2020-Aug-24 22:37:39 2020-Aug-24 22:37
1943-Aug-29 23:17 < 00:01 Jupiter 1.94588810474305 1.94588762298872 1.94588858649739 0.816458080911972 n/a 2430966.470152100 0.847567770130734 82.5387405458554 23.8999502271839 88.2375775316 12171693.2106502 F 36 CATAB v2.0f-lin.ifort 2020-Aug-24 22:37:39 2020-Aug-24 22:37
2063-May-03 17:58 < 00:01 Jupiter 1.90899382302095 1.90899345201656 1.90899419402795 1.48995963457856 1.15437327709289 2474678.248820463 0.596153955635805 190.176743508085 120.962836850803 53.5893540641205 1722708.55375926 T 36 CATAB v2.0f-lin.ifort 2020-Aug-24 22:37:39 2020-Aug-24 22:37
2098-Jun-12 23:35 00:01 Jupiter 1.89013539960849 1.89013509537066 1.89013570384675 1.18862674609438 0.718733348857107 2487502.482323163 1.01830348007413 660.207174083799 193.311727293893 10.8895621495114 1402169.48513747 T 36 CATAB v2.0f-lin.ifort 2020-Aug-24 22:37:39 2020-Aug-24 22:37
2133-Jul-17 10:59 00:02 Jupiter 1.95617179963779 1.95617123032303 1.95617236895988 0.979620044103853 0.306031536623866 2500319.957975232 1.52421907665207 5916.43171574184 546.645660420336 -8.34857438450261 2462467.47834997 T 36 CATAB v2.0f-lin.ifort 2020-Aug-24 22:37:39 2020-Aug-24 22:37

Alternate Designations
 1950 RH = 1928 RL = 1937 TS = 1937 VO = A906 SG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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