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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09437244368405046 1.3827e-07  
a 1.976549770038109 1.3927e-08 AU
q 1.790017938176464 2.7016e-07 AU
i 18.96697328333549 1.8258e-05 deg
node 354.3668709478157 2.134e-05 deg
peri 23.92889467765035 6.9056e-05 deg
M 238.5122688801341 7.0042e-05 deg
tp 2457343.023189278613
(2015-Nov-16.52318928)
0.00019887 JED
period 1014.986015490225
2.78
1.0728e-05
2.937e-08
d
yr
n .3546846897453307 3.7488e-09 deg/d
Q 2.163081601899753 1.5242e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      350  
   data-arc span      9103 days (24.92 yr)  
   first obs. used      1990-09-14  
   last obs. used      2015-08-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57447  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 16:04:58  

Additional Information
 Earth MOID = .795986 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 15.8 mag n/a MPO302367  

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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