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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1800781022066267 5.9403e-08  
a 3.140950689974435 2.6518e-08 au
q 2.575334250599244 1.9342e-07 au
i 1.685061040828069 6.6553e-06 deg
node 50.41982708822605 0.00021417 deg
peri 353.2835490886759 0.00021516 deg
M 313.8310605051961 1.7981e-05 deg
tp 2458861.257916697765
(2020-Jan-12.75791670)
0.00010218 TDB
period 2033.246833009031
5.57
2.5749e-05
7.05e-08
d
yr
n .177056712522813 2.2422e-09 deg/d
Q 3.706567129349625 3.1293e-08 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      9781 days (26.78 yr)  
   first obs. used      1993-01-21  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54814  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:54:10  

Additional Information
 Earth MOID = 1.58381 au 
 Jupiter MOID = 1.69895 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 16.2   n/a MPO270927  

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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