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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1895955323622847 7.942e-08  
a 2.272315717584969 1.352e-08 au
q 1.841494809414259 1.7823e-07 au
i 4.103793259615456 8.2059e-06 deg
node 5.172480318176417 7.0279e-05 deg
peri 359.4834250653331 7.1538e-05 deg
M 293.4921661222244 1.4823e-05 deg
tp 2457831.638206026411
(2017-Mar-19.13820603)
5.2275e-05 JED
period 1251.127112671059
3.43
1.1166e-05
3.057e-08
d
yr
n .2877405471866307 2.568e-09 deg/d
Q 2.703136625755678 1.6083e-08 au
  Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      9413 days (25.77 yr)  
   first obs. used      1989-09-09  
   last obs. used      2015-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53831  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 13:08:09  

Additional Information
 Earth MOID = .838365 au 
 Jupiter MOID = 2.74606 au 
 T_jup = 3.584 
[ 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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