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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08228140568153262 5.2439e-08  
a 2.803014336567733 2.2797e-08 AU
q 2.572378376809451 1.4722e-07 AU
i 5.771547047529398 6.0435e-06 deg
node 184.5056095451906 5.1473e-05 deg
peri 242.049974220002 6.3055e-05 deg
M 79.85111646271763 3.4911e-05 deg
tp 2456620.297561983238
(2013-Nov-23.79756198)
0.00016653 JED
period 1714.100988806338
4.69
2.0911e-05
5.725e-08
d
yr
n .210022631309895 2.5622e-09 deg/d
Q 3.033650296326015 2.4673e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1085  
   data-arc span      9315 days (25.50 yr)  
   first obs. used      1989-09-25  
   last obs. used      2015-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49875  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:50:50  

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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