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12263 (1989 YA4)
Classification: Main-belt Asteroid          SPK-ID: 2012263
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1398736963870933 5.8686e-08  
a 2.275088164284908 1.0534e-08 AU
q 1.956863173139851 1.3521e-07 AU
i .3305465387596934 4.8669e-06 deg
node 259.2690034279925 0.0011173 deg
peri 254.1338435055043 0.0011175 deg
M 68.21797260331125 1.8876e-05 deg
tp 2456762.984431856077
(2014-Apr-15.48443186)
6.5508e-05 JED
period 1253.417556529114
3.43
8.7056e-06
2.383e-08
d
yr
n .2872147419068308 1.9948e-09 deg/d
Q 2.593313155429964 1.2008e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1100  
   data-arc span      8933 days (24.46 yr)  
   first obs. used      1989-12-30  
   last obs. used      2014-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53706  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:20:15  

Additional Information
 Earth MOID = .967808 AU 
 T_jup = 3.597 
[ 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 14.5 mag n/a PDS3 (MPC 36676)  

12263 (1989 YA4)          Discovered 1989-Dec-30 by McNaught, R. H. at Siding Spring (413)
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 YA4 = 1997 CL22 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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