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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 ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1399392571111505 6.0373e-08  
a 2.275134295781046 1.1465e-08 AU
q 1.956753692601346 1.3899e-07 AU
i .3305528464111701 5.2763e-06 deg
node 259.2745769147842 0.0011453 deg
peri 254.1074496338154 0.0011455 deg
M 10.78837687863657 2.0359e-05 deg
tp 2456762.936799242157
(2014-Apr-15.43679924)
7.0852e-05 JED
period 1253.455679658486
3.43
9.4748e-06
2.594e-08
d
yr
n .2872060064366096 2.171e-09 deg/d
Q 2.593514898960747 1.3069e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1052  
   data-arc span      8836 days (24.19 yr)  
   first obs. used      1989-12-30  
   last obs. used      2014-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53138  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 10:59:53  

Additional Information
 Earth MOID = .967306 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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