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227134 (2005 OR12)
Classification: Main-belt Asteroid          SPK-ID: 2227134
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1592396083157961 6.1114e-08  
a 2.353207629266846 1.4204e-08 au
q 1.97848376809665 1.3904e-07 au
i 5.167727193760282 5.9684e-06 deg
node .6911461204546444 4.95e-05 deg
peri 13.12214635960546 5.1395e-05 deg
M 61.42076428849727 1.4122e-05 deg
tp 2458975.541962841100
(2020-May-06.04196284)
5.0943e-05 TDB
period 1318.526304830933
3.61
1.1938e-05
3.268e-08
d
yr
n .2730320955152735 2.472e-09 deg/d
Q 2.727931490437041 1.6466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      8134 days (22.27 yr)  
   first obs. used      1998-10-11  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63199  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:34  

Additional Information
 Earth MOID = .977822 au 
 Jupiter MOID = 2.74077 au 
 T_jup = 3.534 
[ 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 16.8   n/a MPO437075  

227134 (2005 OR12)          Discovered 2005-Jul-29 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 OR12 = 1998 TF2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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