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8678 Bal (1992 ER6)
Classification: Main-belt Asteroid          SPK-ID: 2008678
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1110292441453717 3.1446e-08  
a 3.161460875516194 1.8906e-08 au
q 2.810446264112465 1.0191e-07 au
i 5.76685657592101 4.1899e-06 deg
node 57.39697361610901 4.0968e-05 deg
peri 221.7827559573329 4.6073e-05 deg
M 262.3835436347438 2.2268e-05 deg
tp 2459557.237764819113
(2021-Dec-08.73776482)
0.00012816 TDB
period 2053.194746026617
5.62
1.8418e-05
5.043e-08
d
yr
n .1753365094551693 1.5728e-09 deg/d
Q 3.512475486919922 2.1005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1384  
   data-arc span      10279 days (28.14 yr)  
   first obs. used      1992-03-01  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54478  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:01:12  

Additional Information
 Earth MOID = 1.79748 au 
 Jupiter MOID = 1.60874 au 
 T_jup = 3.187 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6   n/a MPO337330  
diameter diameter 9.906 km 0.261 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

8678 Bäl           Discovered 1992 Mar. 1 at the European Southern Observatory in the course of the Uppsala-ESO Survey of Asteroids and Comets.
Bäl is a small and typical country parish on the Swedish island of Gotland, often associated on Gotland with the well-known song "Farewell to Bäl".
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19991123/MPCPages.arcLast Updated: 2010-06-11

[ show close-approach data ]
Alternate Designations
 1992 ER6 = 1995 WY1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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