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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1326778339566058 7.807e-08  
a 2.383572098648548 1.7999e-08 AU
q 2.067324915520458 1.8794e-07 AU
i 6.815072615243848 8.7851e-06 deg
node 1.039134883832027 5.3982e-05 deg
peri 20.99977373936418 6.23e-05 deg
M 342.0627421161563 3.1014e-05 deg
tp 2456867.472177212621
(2014-Jul-28.97217721)
0.00011609 JED
period 1344.12873766284
3.68
1.5225e-05
4.168e-08
d
yr
n .2678314880953776 3.0337e-09 deg/d
Q 2.699819281776639 2.0387e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      896  
   data-arc span      9122 days (24.97 yr)  
   first obs. used      1988-09-17  
   last obs. used      2013-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46538  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:06:40  

Additional Information
 Earth MOID = 1.06989 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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