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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3189690645842131 2.0277e-08  
a 2.687688984703275 6.123e-09 au
q 1.830399343359178 5.6704e-08 au
i 7.720829727702601 5.6352e-07 deg
node 190.309211323209 1.7043e-06 deg
peri 142.8324227816024 1.4324e-06 deg
M 16.2195923696677 3.1355e-06 deg
tp 2459323.988919190865
(2021-Apr-19.48891919)
1.3834e-05 TDB
period 1609.41092083828
4.41
5.4997e-06
1.506e-08
d
yr
n .223684327811377 7.6438e-10 deg/d
Q 3.544978626047372 8.076e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2912  
   data-arc span      41939 days (114.82 yr)  
   first obs. used      1906-10-13  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47561  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:52:45  

Additional Information
 Earth MOID = .827045 au 
 Jupiter MOID = 1.9017 au 
 T_jup = 3.286 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456914.5 (2014-Sep-14.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3168802321434737 2.0312e-08  
q 1.838114790756574 5.6778e-08 au
tp 2457716.028538654418
(2016-Nov-23.52853865)
1.0658e-05 TDB
node 190.3758183090264 1.7066e-06 deg
peri 142.860477798688 1.432e-06 deg
i 7.707999267191539 5.6281e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2912  
   data-arc span      41939 days (114.82 yr)  
   first obs. used      1906-10-13  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47561  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:52:45  

Additional Information
 Jupiter MOID = 1.9017 au 
 T_jup = 3.286 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.125693607097011E-16 -1.150945918570678E-15 -1.64071113626679E-13 -1.024426950302164E-14 1.000387335412837E-14 2.420768919017382E-15
q -1.150945918570678E-15 3.223766755810691E-15 4.602064631664573E-13 2.865671013309877E-14 -2.841714876601083E-14 -6.623983505431407E-15
tp -1.64071113626679E-13 4.602064631664573E-13 1.135985984589587E-10 8.458310310457104E-12 6.076713874855238E-13 5.415543810323055E-13
node -1.024426950302164E-14 2.865671013309877E-14 8.458310310457104E-12 2.912321030394433E-12 -1.461967118147653E-12 2.418701215520297E-13
peri 1.000387335412837E-14 -2.841714876601083E-14 6.076713874855238E-13 -1.461967118147653E-12 2.05067451856212E-12 6.139777106500859E-14
i 2.420768919017382E-15 -6.623983505431407E-15 5.415543810323055E-13 2.418701215520297E-13 6.139777106500859E-14 3.167558761815514E-13

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 12.04   n/a E2021B10  
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. 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:
[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

[ show close-approach data ]
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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