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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1886703303118643 8.194e-08  
a 2.27371191380641 1.4852e-08 AU
q 1.844729935994533 1.8507e-07 AU
i 4.102065062811318 8.7441e-06 deg
node 5.184311821293671 7.5906e-05 deg
peri 359.4651676542909 7.7412e-05 deg
M 120.9119081998274 1.5206e-05 deg
tp 2456579.901075955560
(2013-Oct-14.40107596)
5.2704e-05 JED
period 1252.280399096493
3.43
1.227e-05
3.359e-08
d
yr
n .2874755528072915 2.8166e-09 deg/d
Q 2.702693891618286 1.7654e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      568  
   data-arc span      8906 days (24.38 yr)  
   first obs. used      1989-09-09  
   last obs. used      2014-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55476  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 06:06:28  

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 15.3 mag n/a MPO279949  

43780 (1989 SL8)          Discovered 1989-Sep-23 by Debehogne, H. at La Silla (809)
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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