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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0819389212327726 5.7569e-08  
a 2.803780927011065 2.4876e-08 AU
q 2.574042142478755 1.6564e-07 AU
i 5.767592226890402 6.187e-06 deg
node 184.55687915 5.7623e-05 deg
peri 242.3692047819266 6.8786e-05 deg
M 37.54485116725799 3.5599e-05 deg
tp 2456621.660919285018
(2013-Nov-25.16091928)
0.00016992 JED
period 1714.804215645409
4.69
2.2821e-05
6.248e-08
d
yr
n .2099365027887485 2.7939e-09 deg/d
Q 3.033519711543374 2.6914e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      963  
   data-arc span      8947 days (24.50 yr)  
   first obs. used      1989-09-25  
   last obs. used      2014-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50883  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 21:02:25  

Additional Information
 Earth MOID = 1.59261 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 (809)
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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