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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .132608390558884 7.5303e-08  
a 2.383418235211051 1.6497e-08 AU
q 2.067356979011018 1.7965e-07 AU
i 6.815179852554501 8.422e-06 deg
node 1.038909159732408 5.2423e-05 deg
peri 21.02819346020047 6.0268e-05 deg
M 35.61136259863061 2.8609e-05 deg
tp 2456867.551052320847
(2014-Jul-29.05105232)
0.00010641 JED
period 1343.998591234348
3.68
1.3954e-05
3.82e-08
d
yr
n .2678574236222754 2.7811e-09 deg/d
Q 2.699479491411084 1.8685e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      926  
   data-arc span      9541 days (26.12 yr)  
   first obs. used      1988-09-17  
   last obs. used      2014-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46224  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:15:02  

Additional Information
 Earth MOID = 1.07119 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 13.7 mag n/a PDS3 (MPC 35829)  

11489 (1988 SN)          Discovered 1988-Sep-22 by Ueda, S., Kaneda, H. at Kushiro (399)
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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