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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 
[ 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 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

[ 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 23:41 < 00:01 Jupiter 1.89070273644528 1.89070255930839 1.89070291358388 1.00781907540575 0.34599467545034 2418149.486531577 0.997998452007907 2456.66115778105 197.232943507803 -0.669181541803014 2523986.2466774 T 43 CATAB v2.0g-lin.ifort 2021-Aug-25 07:54:57 2021-Aug-25 07:54
1943-Aug-29 23:17 < 00:01 Jupiter 1.94588764918677 1.94588737060416 1.94588792776954 0.816456211570986 n/a 2430966.470423215 0.68668411714644 33.4674598272471 6.24271650516825 67.8251075243676 43294635.9171229 F 43 CATAB v2.0g-lin.ifort 2021-Aug-25 07:54:57 2021-Aug-25 07:54
2063-May-03 17:58 < 00:01 Jupiter 1.90899350684438 1.90899328824214 1.90899372544858 1.489956574464 1.15436926583644 2474678.248515641 0.477466037681301 125.811905048794 18.4004486490451 73.463904921334 12963265.803713 T 43 CATAB v2.0g-lin.ifort 2021-Aug-25 07:54:57 2021-Aug-25 07:54
2098-Jun-12 23:34 < 00:01 Jupiter 1.89013519608448 1.89013505824118 1.89013533392822 1.18862344243866 0.718727821632255 2487502.481800990 0.824616164908181 308.646368387974 67.5546118099698 28.5661932981278 6814048.58457018 T 43 CATAB v2.0g-lin.ifort 2021-Aug-25 07:54:57 2021-Aug-25 07:54
2133-Jul-17 10:58 00:01 Jupiter 1.9561719596494 1.95617152922513 1.95617239008302 0.979617559430878 0.306023706540948 2500319.957139292 1.24236947770495 2202.26804162958 379.58001939957 -8.88250010069057 5000854.3753123 T 43 CATAB v2.0g-lin.ifort 2021-Aug-25 07:54:57 2021-Aug-25 07:54

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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