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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09437241770450713 1.4022e-07  
a 1.976549761310373 1.6537e-08 AU
q 1.790017981622247 2.729e-07 AU
i 18.96697153892369 1.8358e-05 deg
node 354.3668691992827 2.1557e-05 deg
peri 23.92887323675318 7.3918e-05 deg
M 238.5122997277356 7.7682e-05 deg
tp 2457343.023100038023
(2015-Nov-16.52310004)
0.00022127 JED
period 1014.986008767503
2.78
1.2738e-05
3.487e-08
d
yr
n .3546846920945716 4.4511e-09 deg/d
Q 2.163081540998499 1.8097e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      8680 days (23.76 yr)  
   first obs. used      1990-09-14  
   last obs. used      2014-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59744  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 15:21:18  

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 (809)
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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