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14855 (1989 SP9)
Classification: Main-belt Asteroid          SPK-ID: 2014855
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 .08228139307333086 5.3804e-08  
a 2.803014342695626 2.355e-08 AU
q 2.572378417774103 1.5234e-07 AU
i 5.771547801674355 6.0631e-06 deg
node 184.5056333577292 5.3697e-05 deg
peri 242.0499450010759 6.5065e-05 deg
M 79.85111999060088 3.5068e-05 deg
tp 2456620.297543938818
(2013-Nov-23.79754394)
0.0001674 JED
period 1714.100994427337
4.69
2.1602e-05
5.914e-08
d
yr
n .2100226306211742 2.6468e-09 deg/d
Q 3.033650267617149 2.5488e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1014  
   data-arc span      9285 days (25.42 yr)  
   first obs. used      1989-09-25  
   last obs. used      2015-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5088  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:40:11  

Additional Information
 Earth MOID = 1.59148 AU 
 T_jup = 3.312 
[ 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 13.5 mag n/a MPO247494  

14855 (1989 SP9)          Discovered 1989-Sep-25 by Debehogne, H. at La Silla
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 SP9 = 1998 QH16 = 2000 AN104 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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