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11489 (1988 SN)
Classification: Main-belt Asteroid          SPK-ID: 2011489
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1329345382357175 7.0795e-08  
a 2.384752050824355 1.4957e-08 au
q 2.067736138141339 1.6652e-07 au
i 6.816806158237346 7.39e-06 deg
node 1.023857502159075 5.1054e-05 deg
peri 21.35027592271147 5.8091e-05 deg
M 142.3487674055059 2.5382e-05 deg
tp 2456868.618991600285
(2014-Jul-30.11899160)
9.4258e-05 JED
period 1345.126947804476
3.68
1.2655e-05
3.465e-08
d
yr
n .2676327320537249 2.5179e-09 deg/d
Q 2.701767963507371 1.6946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1053  
   data-arc span      9951 days (27.24 yr)  
   first obs. used      1988-09-17  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .45115  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:17:53  

Additional Information
 Earth MOID = 1.07015 au 
 Jupiter MOID = 2.76464 au 
 T_jup = 3.514 
[ 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 13.9 mag n/a MPO332927  

11489 (1988 SN)          Discovered 1988-Sep-22 by Ueda, S., Kaneda, H. at Kushiro
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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