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268268 (2005 OJ18)
Classification: Main-belt Asteroid          SPK-ID: 2268268
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .197092660857249 4.6899e-08  
a 2.241856180574446 9.4482e-09 au
q 1.800002780685759 1.0633e-07 au
i 5.14535702028674 5.2467e-06 deg
node 171.3981850254587 5.2024e-05 deg
peri 133.4440711286974 5.42e-05 deg
M 164.6993859520893 1.3433e-05 deg
tp 2458439.581804040723
(2018-Nov-17.08180404)
4.4307e-05 TDB
period 1226.055272629133
3.36
7.7508e-06
2.122e-08
d
yr
n .2936246089689105 1.8562e-09 deg/d
Q 2.683709580463133 1.131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      8886 days (24.33 yr)  
   first obs. used      1995-08-22  
   last obs. used      2019-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55807  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:14:00  

Additional Information
 Earth MOID = .78986 au 
 Jupiter MOID = 2.57281 au 
 T_jup = 3.603 
[ 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 17.2   n/a MPO450150  

268268 (2005 OJ18)          Discovered 2005-Jul-30 by NEAT at Palomar
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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