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3736 Rokoske (1987 SY3)
Classification: Main-belt Asteroid          SPK-ID: 2003736
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08013406387479714 3.534e-08  
a 3.020869864671465 1.5271e-08 au
q 2.778795285978432 1.0363e-07 au
i 11.30301866692156 3.759e-06 deg
node 145.276673891505 2.1471e-05 deg
peri 147.4199993954931 3.4118e-05 deg
M 156.3620995707888 2.7713e-05 deg
tp 2458167.537510048086
(2018-Feb-18.03751005)
0.00014657 TDB
period 1917.76969742551
5.25
1.4542e-05
3.981e-08
d
yr
n .1877180562834412 1.4234e-09 deg/d
Q 3.262944443364499 1.6494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2695  
   data-arc span      28146 days (77.06 yr)  
   first obs. used      1943-03-27  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41187  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:58:23  

Additional Information
 Earth MOID = 1.7704 au 
 Jupiter MOID = 2.00277 au 
 T_jup = 3.212 
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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 11.0   n/a MPO452216  
diameter diameter 19.533 km 0.254 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.202   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3736 Rokoske (1987 SY3)          Discovered 1987-Sep-26 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1987 SY3 = 1943 FA = 1951 YA1 = 1964 EA = 1969 EH1 = 1974 CT = 1976 ST = 1979 BM = 1981 RA = 1982 UK1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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