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15223 (1984 SN4)
Classification: Main-belt Asteroid          SPK-ID: 2015223
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2113316269148305 3.9745e-08  
a 2.618264434008126 8.1048e-09 au
q 2.064942351475951 1.0274e-07 au
i 1.481129319109976 3.8819e-06 deg
node 337.5411921313889 0.00013499 deg
peri 9.346917285008352 0.00013521 deg
M 156.456429317165 8.406e-06 deg
tp 2458327.973192831875
(2018-Jul-28.47319283)		 3.5143e-05 TDB
period 1547.457344112883
4.24		 7.1852e-06
1.967e-08		 d
yr
n .2326396920532751 1.0802e-09 deg/d
Q 3.171586516540301 9.8176e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1375  
   data-arc span      14417 days (39.47 yr)  
   first obs. used      1980-10-31  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54386  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:08:59  

Additional Information
 Earth MOID = 1.05808 au 
 Jupiter MOID = 2.25059 au 
 T_jup = 3.374 
[ 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 15.0   n/a MPO449061  

15223 (1984 SN4)          Discovered 1984-Sep-21 by Debehogne, H. at La Silla
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1984 SN4 = 1980 UY1 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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