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233646 (2008 OJ18)
Classification: Main-belt Asteroid          SPK-ID: 2233646
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1804262243196663 5.9373e-08  
a 3.142226179398256 2.5755e-08 au
q 2.575286173891018 1.9345e-07 au
i 1.684847394372372 6.6522e-06 deg
node 50.42142067412599 0.00020684 deg
peri 353.2597495949835 0.00020786 deg
M 24.6559111713431 1.777e-05 deg
tp 2458861.160853258289
(2020-Jan-12.66085326)
0.00010012 TDB
period 2034.485461860285
5.57
2.5014e-05
6.848e-08
d
yr
n .176948917428402 2.1756e-09 deg/d
Q 3.709166184905494 3.0402e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      9796 days (26.82 yr)  
   first obs. used      1993-01-21  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54439  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:00:31  

Additional Information
 Earth MOID = 1.58429 au 
 Jupiter MOID = 1.69802 au 
 T_jup = 3.184 
[ 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 16.1   n/a MPO503132  

233646 (2008 OJ18)          Discovered 2008-Jul-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2008 OJ18 = 2002 RZ145 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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