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13919 (1984 SO4)
Classification: Main-belt Asteroid          SPK-ID: 2013919
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1181826127316685 7.3824e-08  
a 2.276258203352632 1.3845e-08 AU
q 2.007244061628524 1.7004e-07 AU
i 4.97805523675426 6.3646e-06 deg
node 286.4263394012627 8.2761e-05 deg
peri 55.05067941053633 8.7951e-05 deg
M 250.2162678717241 3.5005e-05 deg
tp 2457183.030618519377
(2015-Jun-09.53061852)
0.00012407 JED
period 1254.384597765982
3.43
1.1444e-05
3.133e-08
d
yr
n .2869933197849752 2.6184e-09 deg/d
Q 2.54527234507674 1.5481e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      862  
   data-arc span      10793 days (29.55 yr)  
   first obs. used      1984-09-21  
   last obs. used      2014-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52547  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:04:44  

Additional Information
 Earth MOID = 1.00203 AU 
 T_jup = 3.595 
[ 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 13.6 mag n/a MPO263473  

13919 (1984 SO4)          Discovered 1984-Sep-21 by Debehogne, H. at La Silla (809)
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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