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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1229649440666968 3.6151e-08  
a 3.202191884132133 1.9537e-08 au
q 2.808434538208995 1.1917e-07 au
i 7.352374595692035 3.9368e-06 deg
node 91.8526580780958 3.1836e-05 deg
peri 346.4208306947191 3.6359e-05 deg
M 294.5388901105566 1.9632e-05 deg
tp 2459381.083818588285
(2021-Jun-15.58381859)
0.00011599 TDB
period 2093.001095202598
5.73
1.9154e-05
5.244e-08
d
yr
n .1720018211290772 1.5741e-09 deg/d
Q 3.59594923005527 2.1939e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2206  
   data-arc span      20026 days (54.83 yr)  
   first obs. used      1965-02-28  
   last obs. used      2019-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48267  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:50:03  

Additional Information
 Earth MOID = 1.8247 au 
 Jupiter MOID = 1.64552 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 11.9   n/a MPO492793  
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-August); 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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