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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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3189824808105794 3.3914e-08  
a 2.687147611479026 7.4375e-09 au
q 1.829994600065223 9.2994e-08 au
i 7.719995324329124 4.2555e-06 deg
node 190.3348495305763 2.1771e-05 deg
peri 142.902343457998 2.2494e-05 deg
M 287.5703450737406 7.0073e-06 deg
tp 2459324.205164330329
(2021-Apr-19.70516433)
3.217e-05 TDB
period 1608.924677020226
4.40
6.6798e-06
1.829e-08
d
yr
n .2237519289384822 9.2896e-10 deg/d
Q 3.544300622892828 9.81e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2639  
   data-arc span      41521 days (113.68 yr)  
   first obs. used      1906-10-13  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:33:49  

Additional Information
 Earth MOID = .82741 au 
 Jupiter MOID = 1.90208 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 12.0   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 1.89070306056587 1.89070271415167 1.89070340698072 1.00782066785139 0.345999528734933 2418149.486193523 1.22424004172753 5615.123639126 357.963723523394 -1.72428727943162 1171125.76355023 T 35 CATAB v2.0f-lin.ifort 2020-Jun-23 15:34:03 2020-Jun-23 15:34
1943-Aug-29 23:17 < 00:01 Jupiter 1.94588810485612 1.94588762240934 1.9458885873029 0.816458065648665 n/a 2430966.470140726 0.849373741608927 84.3245611860566 23.9611219314952 88.473912555093 12141923.299586 F 35 CATAB v2.0f-lin.ifort 2020-Jun-23 15:34:03 2020-Jun-23 15:34
2063-May-03 17:58 < 00:01 Jupiter 1.90899381818066 1.90899344616828 1.90899419019575 1.48995973636259 1.15437340749186 2474678.248837995 0.598487421010929 191.671272596743 122.962795086712 52.289926639565 1687294.84675082 T 35 CATAB v2.0f-lin.ifort 2020-Jun-23 15:34:03 2020-Jun-23 15:34
2098-Jun-12 23:35 00:01 Jupiter 1.89013539059356 1.89013508271883 1.89013569846883 1.18862680564754 0.718733444371174 2487502.482341845 1.02205062446183 672.050895908103 195.338484625346 10.5132318617033 1368209.59161707 T 35 CATAB v2.0f-lin.ifort 2020-Jun-23 15:34:03 2020-Jun-23 15:34
2133-Jul-17 11:00 00:02 Jupiter 1.95617178286548 1.95617120842539 1.9561723573129 0.97962003744511 0.306031503177631 2500319.957991417 1.52948298578709 6033.96022815862 558.469788778402 -8.32854991281168 2405877.99595598 T 35 CATAB v2.0f-lin.ifort 2020-Jun-23 15:34:03 2020-Jun-23 15:34

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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