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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 ]

[ show orbit diagram ]
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1906-Nov-06 20:25 00:03 Jupiter 1.67098729629189 1.67098622902278 1.67098836356442 2.08530861962907 1.8261197030276 2417521.350843695 2.92121713442054 146.990848300021 12.8776351291101 -73.2874141285195 2880277.97450482 T 26 CATAB v2.0f-lin.ifort 2020-May-20 03:01:23 2020-May-20 03:01
1917-May-24 03:54 00:03 Jupiter 1.59720253316543 1.59720192339981 1.59720314293222 2.30021661387435 2.05678484489843 2421372.662409078 2.57682802213801 107.770713936093 16.1001841543377 -85.3582748143339 1903913.52611849 T 26 CATAB v2.0f-lin.ifort 2020-May-20 03:01:23 2020-May-20 03:01
1927-Nov-30 19:12 00:02 Jupiter 1.85798498179726 1.85798372867669 1.85798623492058 3.27090288063792 3.12842468374782 2425215.300209648 2.28711469775657 142.953619351473 18.8939387878862 -71.9492358130945 2917642.74883798 T 26 CATAB v2.0f-lin.ifort 2020-May-20 03:01:23 2020-May-20 03:01
2002-Jun-28 23:57 < 00:01 Jupiter 1.81187562505037 1.8118751595132 1.81187609058753 2.25630421750591 2.03861254461259 2452454.498139404 0.446990480480616 52.0358328253984 4.283398079783 -74.9533801947984 3176097.31105998 T 26 CATAB v2.0f-lin.ifort 2020-May-20 03:01:23 2020-May-20 03:01
2013-Jan-10 15:40 < 00:01 Jupiter 1.59390547972937 1.59390513092494 1.59390582853398 2.08289612729708 1.80987009097332 2456303.152688245 0.221767617845786 65.3863675677661 19.0427373932058 -78.8925773732958 2519292.48929674 T 26 CATAB v2.0f-lin.ifort 2020-May-20 03:01:23 2020-May-20 03:01
2023-Jul-27 12:37 < 00:01 Jupiter 1.7044224012487 1.70442195481175 1.70442284768576 2.72997034943674 2.54142216193806 2460153.025979752 0.361770546875053 66.4392107510341 11.9298094579502 -81.8103490188011 2691355.21760161 T 26 CATAB v2.0f-lin.ifort 2020-May-20 03:01:23 2020-May-20 03:01
2098-Feb-23 15:46 00:02 Jupiter 1.97779343495816 1.97779239766555 1.97779447225111 2.73824087321912 2.57709725036255 2487393.156848786 2.14919517395034 80.3682288590489 13.5100994306987 -68.664278603878 2277235.85414465 T 26 CATAB v2.0f-lin.ifort 2020-May-20 03:01:23 2020-May-20 03:01
2108-Sep-06 11:19 00:03 Jupiter 1.67627345788245 1.67627259816169 1.67627431760559 1.98936626537645 1.7166759459323 2491239.971727039 2.51513680733569 128.62684807304 14.4703316892738 -75.8531272674183 2829238.92997648 T 26 CATAB v2.0f-lin.ifort 2020-May-20 03:01:23 2020-May-20 03:01
2119-Mar-24 07:21 00:03 Jupiter 1.6145140470829 1.61451348242658 1.61451461173959 2.32963316972827 2.09235051832025 2495090.806259465 2.83291313972919 81.0528974893133 14.371604121988 -84.350086248837 1849081.59757776 T 26 CATAB v2.0f-lin.ifort 2020-May-20 03:01:23 2020-May-20 03:01
2129-Oct-05 09:16 00:03 Jupiter 1.86111262537817 1.86111108844172 1.86111416232034 3.38343506673283 3.24613623251982 2498938.886212841 3.16778229145286 192.232683263184 18.4395267222554 -72.1925975885045 3105773.09991036 T 26 CATAB v2.0f-lin.ifort 2020-May-20 03:01:23 2020-May-20 03:01

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