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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08228142010881433 5.1738e-08  
a 2.803014329335456 2.2393e-08 AU
q 2.572378329732379 1.4455e-07 AU
i 5.771546931519152 6.0408e-06 deg
node 184.5056147816381 4.9862e-05 deg
peri 242.0499757694066 6.1619e-05 deg
M 79.85111203787827 3.481e-05 deg
tp 2456620.297584523116
(2013-Nov-23.79758452)
0.00016598 JED
period 1714.100982172309
4.69
2.0541e-05
5.624e-08
d
yr
n .2100226321227387 2.5168e-09 deg/d
Q 3.033650328938533 2.4236e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1119  
   data-arc span      9391 days (25.71 yr)  
   first obs. used      1989-09-25  
   last obs. used      2015-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49939  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:15:12  

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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