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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1229649392327831 3.5545e-08  
a 3.202191880586926 1.8933e-08 au
q 2.808434550578843 1.1797e-07 au
i 7.352373353821874 3.8586e-06 deg
node 91.85265696971395 3.1829e-05 deg
peri 346.4208294709866 3.6178e-05 deg
M 294.5388936406451 1.8963e-05 deg
tp 2459381.083797432705
(2021-Jun-15.58379743)
0.00011193 TDB
period 2093.001091726796
5.73
1.8563e-05
5.082e-08
d
yr
n .1720018214147169 1.5255e-09 deg/d
Q 3.595949210595008 2.1261e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2273  
   data-arc span      20246 days (55.43 yr)  
   first obs. used      1965-02-28  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47731  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:04:53  

Additional Information
 Earth MOID = 1.8247 au 
 Jupiter MOID = 1.64552 au 
 T_jup = 3.169 
[ 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 11.9   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

[ show close-approach data ]
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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