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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1334734224784145 6.9437e-08  
a 2.383723936291309 1.3288e-08 au
q 2.06556014427079 1.6435e-07 au
i 6.816822083733975 7.3326e-06 deg
node 1.023034897197325 4.2172e-05 deg
peri 21.40828031936907 4.7321e-05 deg
M 195.8069845762116 2.3104e-05 deg
tp 2458213.604552820319
(2018-Apr-05.10455282)
8.8625e-05 JED
period 1344.257174677218
3.68
1.1241e-05
3.078e-08
d
yr
n .2678058981432945 2.2394e-09 deg/d
Q 2.701887728311828 1.5062e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1227  
   data-arc span      10074 days (27.58 yr)  
   first obs. used      1988-09-17  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46439  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:11:58  

Additional Information
 Earth MOID = 1.06836 au 
 Jupiter MOID = 2.76368 au 
 T_jup = 3.515 
[ 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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