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227139 (2005 OG26)
Classification: Main-belt Asteroid          SPK-ID: 2227139
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2507287432857181 4.2886e-08  
a 2.286354607037805 8.5001e-09 au
q 1.713099789709704 9.5295e-08 au
i 3.771376717527729 5.4334e-06 deg
node 156.4744227657858 7.6712e-05 deg
peri 158.0414773522403 7.855e-05 deg
M 164.0499166435844 1.7386e-05 deg
tp 2458625.076858349889
(2019-May-21.57685835)
5.8843e-05 TDB
period 1262.739629695149
3.46
7.0418e-06
1.928e-08
d
yr
n .2850944023091373 1.5899e-09 deg/d
Q 2.859609424365906 1.0631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      9213 days (25.22 yr)  
   first obs. used      1995-11-16  
   last obs. used      2021-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58409  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:35  

Additional Information
 Earth MOID = .698128 au 
 Jupiter MOID = 2.44449 au 
 T_jup = 3.556 
[ 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 MPO437076  
rotation period rot_per 7.778 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

227139 (2005 OG26)          Discovered 2005-Jul-29 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 OG26 = 1995 WQ12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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