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

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2108850200099522 6.1778e-08  
a 2.620863333259502 1.5364e-08 au
q 2.068162516781722 1.565e-07 au
i 1.485759633915869 5.821e-06 deg
node 337.74484187843 0.00019582 deg
peri 8.691002645759824 0.00019599 deg
M 191.4554474260897 1.6909e-05 deg
tp 2458326.066477044274
(2018-Jul-26.56647704)
7.7495e-05 JED
period 1549.761933844734
4.24
1.3628e-05
3.731e-08
d
yr
n .2322937427601492 2.0427e-09 deg/d
Q 3.173564149737282 1.8605e-08 au
  Orbit Determination Parameters
   # obs. used (total)      854  
   data-arc span      12920 days (35.37 yr)  
   first obs. used      1980-10-31  
   last obs. used      2016-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57276  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:22:43  

Additional Information
 Earth MOID = 1.06027 au 
 Jupiter MOID = 2.23651 au 
 T_jup = 3.372 
[ 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 15.1 mag n/a MPO332960  

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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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