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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09437241732452346 1.402e-07  
a 1.9765497613318 1.6536e-08 AU
q 1.790017982392708 2.7287e-07 AU
i 18.9669717160902 1.8348e-05 deg
node 354.3668693087103 2.1554e-05 deg
peri 23.92887333794993 7.3917e-05 deg
M 238.5122995070299 7.7677e-05 deg
tp 2457343.023100665852
(2015-Nov-16.52310067)
0.00022126 JED
period 1014.986008784008
2.78
1.2737e-05
3.487e-08
d
yr
n .3546846920888041 4.4509e-09 deg/d
Q 2.163081540270892 1.8096e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      326  
   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      .59303  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 04:37:48  

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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