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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1231310703256025 1.0458e-08  
a 3.202601382971182 1.3333e-08 au
q 2.808261646859685 3.3816e-08 au
i 7.352306156336091 1.2473e-07 deg
node 91.85402464708393 4.67e-06 deg
peri 346.4140801326766 1.1589e-05 deg
M 328.9557870850201 8.386e-06 deg
tp 2459381.022321446390
(2021-Jun-15.52232145)
4.8899e-05 TDB
period 2093.402589999027
5.73
1.3073e-05
3.579e-08
d
yr
n .1719688328082977 1.0739e-09 deg/d
Q 3.596941119082679 1.4975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2845  
   data-arc span      20464 days (56.03 yr)  
   first obs. used      1965-02-28  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4384  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:16:01  

Additional Information
 Earth MOID = 1.82412 au 
 Jupiter MOID = 1.64484 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 11.96   n/a E2021B10  
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. 2020-October); 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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