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3565 Ojima (1986 YD)
Classification: Outer Main-belt Asteroid          SPK-ID: 2003565
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1223947241869962 3.6173e-08  
a 3.204257569705105 1.9915e-08 au
q 2.812073348236954 1.1897e-07 au
i 7.352164812696269 3.9454e-06 deg
node 91.85288470495141 3.1851e-05 deg
peri 346.1717500678832 3.6418e-05 deg
M 225.9782118223324 1.939e-05 deg
tp 2459380.442278244700
(2021-Jun-14.94227824)
0.00011653 TDB
period 2095.026666827288
5.74
1.9532e-05
5.348e-08
d
yr
n .1718355215712765 1.602e-09 deg/d
Q 3.596441791173256 2.2353e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2186  
   data-arc span      19968 days (54.67 yr)  
   first obs. used      1965-02-28  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48334  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:27:18  

Additional Information
 Earth MOID = 1.82822 au 
 Jupiter MOID = 1.64628 au 
 T_jup = 3.169 
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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 11.8   n/a MPO431537  
diameter diameter 28.129 km 0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 15.4510 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J. (2018) Astron. Astrophys. 620, A91.]
geometric albedo albedo 0.032   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3565 Ojima (1986 YD)          Discovered 1986-Dec-22 by Niijima, T. and Urata, T. at Ojima
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1986 YD = 1968 TG = 1977 FO1 = 1982 DF1 = 1986 TJ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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