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12268 (1990 OY1)
Classification: Main-belt Asteroid          SPK-ID: 2012268
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1753847542261634 5.1584e-08  
a 2.596497811887231 1.6512e-08 au
q 2.141111681300618 1.3421e-07 au
i 5.808687979019474 5.0456e-06 deg
node 72.822598745097 6.7657e-05 deg
peri 210.4983410594531 7.0092e-05 deg
M 55.89191642233261 1.8544e-05 deg
tp 2457163.238720308448
(2015-May-20.73872031)
7.8855e-05 JED
period 1528.200608537908
4.18
1.4577e-05
3.991e-08
d
yr
n .235571166500468 2.2471e-09 deg/d
Q 3.051883942473843 1.9408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1149  
   data-arc span      9261 days (25.36 yr)  
   first obs. used      1990-07-29  
   last obs. used      2015-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48651  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:20:19  

Additional Information
 Earth MOID = 1.12546 au 
 Jupiter MOID = 2.08988 au 
 T_jup = 3.388 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2 mag n/a MPO256955  

12268 (1990 OY1)          Discovered 1990-Jul-29 by Holt, H. E. at Palomar
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 OY1 = 1989 EN8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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