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55747 (1990 SQ14)
Classification: Inner Main-belt Asteroid          SPK-ID: 2055747
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09417992578053383 1.3376e-07  
a 1.976521596259055 9.1222e-09 au
q 1.790372939019755 2.6165e-07 au
i 18.96752451404283 1.5564e-05 deg
node 354.3636426720643 1.5846e-05 deg
peri 23.85742433706712 5.632e-05 deg
M 91.38324062627083 5.0631e-05 deg
tp 2457342.859088487581
(2015-Nov-16.35908849)
0.00014317 JED
period 1014.964314121804
2.78
7.0265e-06
1.924e-08
d
yr
n .3546922734042026 2.4555e-09 deg/d
Q 2.162670253498355 9.9814e-09 au
  Orbit Determination Parameters
   # obs. used (total)      492  
   data-arc span      9241 days (25.30 yr)  
   first obs. used      1990-09-14  
   last obs. used      2016-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54174  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 23:36:15  

Additional Information
 Earth MOID = .795064 au 
 Jupiter MOID = 3.1663 au 
 T_jup = 3.793 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0 mag n/a MPO351229  

55747 (1990 SQ14)          Discovered 1990-Sep-25 by Debehogne, H. at La Silla
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 SQ14 = 2000 BB19 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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