Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08006334562684901 1.4593e-08  
a 3.021118213078201 1.333e-08 au
q 2.779237381404952 4.7504e-08 au
i 11.30377369720681 1.2076e-06 deg
node 145.2734646734104 6.0787e-06 deg
peri 147.5289186523589 1.8933e-05 deg
M 193.7802513802588 2.0592e-05 deg
tp 2460086.084743114717
(2023-May-21.58474311)
0.00011168 TDB
period 1918.006194622738
5.25
1.2694e-05
3.475e-08
d
yr
n .1876949099587294 1.2422e-09 deg/d
Q 3.262999044751449 1.4397e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3161  
   data-arc span      28484 days (77.98 yr)  
   first obs. used      1943-03-27  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39414  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:10:36  

Additional Information
 Earth MOID = 1.76884 au 
 Jupiter MOID = 2.00216 au 
 T_jup = 3.212 
[ 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 11.08   n/a MPCxxxxx  
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

[ show close-approach data ]
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-08 23:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin