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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1883651097761728 8.1924e-08  
a 2.273103268360768 1.3403e-08 AU
q 1.844929921683415 1.8557e-07 AU
i 4.101026550869852 8.9815e-06 deg
node 5.215783910626802 7.8749e-05 deg
peri 359.342599802779 8.0204e-05 deg
M 63.54095053873687 1.5896e-05 deg
tp 2456579.557948062329
(2013-Oct-14.05794806)
5.5162e-05 JED
period 1251.777602053206
3.43
1.1071e-05
3.031e-08
d
yr
n .2875910220869237 2.5435e-09 deg/d
Q 2.701276615038121 1.5927e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      567  
   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      .5853  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 19:02:45  

Additional Information
 Earth MOID = .841516 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 15.3 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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