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43780 (1989 SL8)
Classification: Main-belt Asteroid          SPK-ID: 2043780
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .188670342226345 7.9247e-08  
a 2.273711909822009 1.3736e-08 AU
q 1.844729905671774 1.7768e-07 AU
i 4.102059684591468 8.2069e-06 deg
node 5.184299695277869 7.0763e-05 deg
peri 359.4651861248572 7.2043e-05 deg
M 120.9119052408037 1.449e-05 deg
tp 2456579.901087354263
(2013-Oct-14.40108735)
4.968e-05 JED
period 1252.280395804792
3.43
1.1348e-05
3.107e-08
d
yr
n .2874755535629399 2.6051e-09 deg/d
Q 2.702693913972245 1.6328e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      732  
   data-arc span      9330 days (25.54 yr)  
   first obs. used      1989-09-09  
   last obs. used      2015-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53876  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:32:24  

Additional Information
 Earth MOID = .842811 AU 
 T_jup = 3.583 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4 mag n/a MPO337608  

43780 (1989 SL8)          Discovered 1989-Sep-23 by Debehogne, H. at La Silla
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 SL8 = 2002 LM22 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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