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JPL Small-Body Database Browser
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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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2113316196147627 4.0587e-08  
a 2.618264435157986 8.2073e-09 au
q 2.064942371496317 1.0519e-07 au
i 1.481128834389356 4.0361e-06 deg
node 337.5411555915937 0.00014844 deg
peri 9.346950537099588 0.00014868 deg
M 156.4564315645759 8.8075e-06 deg
tp 2458327.973182728367
(2018-Jul-28.47318273)
3.707e-05 TDB
period 1547.457345132275
4.24
7.2761e-06
1.992e-08
d
yr
n .232639691900023 1.0939e-09 deg/d
Q 3.171586498819655 9.9418e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1256  
   data-arc span      14311 days (39.18 yr)  
   first obs. used      1980-10-31  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55243  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:44:56  

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

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