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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1181653085615457 6.7072e-08  
a 2.276552797997165 1.5986e-08 AU
q 2.00754323416518 1.5693e-07 AU
i 4.977983969290243 5.6238e-06 deg
node 286.4262994878791 7.9354e-05 deg
peri 54.9866064533745 8.4309e-05 deg
M 307.6712606369819 3.466e-05 deg
tp 2457182.869744195372
(2015-Jun-09.36974420)
0.00012198 JED
period 1254.628120407818
3.43
1.3215e-05
3.618e-08
d
yr
n .2869376145363152 3.0223e-09 deg/d
Q 2.545562361829151 1.7875e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      888  
   data-arc span      10871 days (29.76 yr)  
   first obs. used      1984-09-21  
   last obs. used      2014-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49506  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:31:32  

Additional Information
 Earth MOID = 1.00406 AU 
 T_jup = 3.594 
[ 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 13.7 mag n/a MPO299063  

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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