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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1107928106943017 3.3328e-08  
a 3.162768000990221 2.0488e-08 au
q 2.812356044586517 1.0591e-07 au
i 5.767029004916004 4.7575e-06 deg
node 57.40818740779455 4.142e-05 deg
peri 221.5707237341759 4.6997e-05 deg
M 192.4874918703788 2.2757e-05 deg
tp 2459556.469797765740
(2021-Dec-07.96979777)
0.00013094 TDB
period 2054.468236660653
5.62
1.9963e-05
5.466e-08
d
yr
n .1752278246876897 1.7026e-09 deg/d
Q 3.513179957393926 2.2758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1232  
   data-arc span      10105 days (27.67 yr)  
   first obs. used      1992-03-01  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56526  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 03:12:12  

Additional Information
 Earth MOID = 1.79883 au 
 Jupiter MOID = 1.60659 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 20:26 00:03 Jupiter 1.67098714317533 1.6709860078942 1.67098827846017 2.08530747021308 1.82611836503443 2417521.351113283 3.02872519967621 152.610719534299 14.4048817673286 -73.6003036392619 2653590.59086157 T 24 CATAB v2.0f-lin.ifort 2019-Nov-07 03:12:19 2019-Nov-07 03:12
1917-May-24 03:54 00:03 Jupiter 1.59720228670869 1.59720167019245 1.59720290322611 2.30021510922988 2.05678312238517 2421372.662634049 2.66952015654661 112.05703113125 17.5414545625255 -84.3802457729183 1746799.77337824 T 24 CATAB v2.0f-lin.ifort 2019-Nov-07 03:12:19 2019-Nov-07 03:12
1927-Nov-30 19:13 00:02 Jupiter 1.85798486031704 1.85798359179198 1.85798612884506 3.270901961723 3.12842371345489 2425215.300402587 2.37179250528669 148.290620410302 20.1555301582368 -72.5289335595863 2661719.58224559 T 24 CATAB v2.0f-lin.ifort 2019-Nov-07 03:12:19 2019-Nov-07 03:12
2002-Jun-28 23:57 < 00:01 Jupiter 1.81187542795608 1.81187494960198 1.81187590631029 2.25630328443546 2.03861148696021 2452454.498223243 0.447947134828485 54.9032124947684 4.40341682491466 -75.2993642390969 3099474.94812807 T 24 CATAB v2.0f-lin.ifort 2019-Nov-07 03:12:19 2019-Nov-07 03:12
2013-Jan-10 15:40 < 00:01 Jupiter 1.59390521666709 1.59390482645551 1.59390560687886 2.08289479991852 1.80986851489454 2456303.152730433 0.23194032131685 67.9055244867468 21.3499397408327 -78.1727246552119 2234912.52333083 T 24 CATAB v2.0f-lin.ifort 2019-Nov-07 03:12:19 2019-Nov-07 03:12
2023-Jul-27 12:37 < 00:01 Jupiter 1.70442232299785 1.70442182233466 1.70442282366123 2.7299693877909 2.54142111997021 2460153.025991144 0.396376906787344 74.0249648152023 12.4132688911767 -81.1595995186489 2401250.19441284 T 24 CATAB v2.0f-lin.ifort 2019-Nov-07 03:12:19 2019-Nov-07 03:12
2098-Feb-23 15:46 00:02 Jupiter 1.9777931848774 1.97779207699457 1.97779429276079 2.73823969695534 2.57709597953524 2487393.156735189 2.27643227115427 87.6235974070954 14.1073669179754 -68.751743210893 2167267.6963474 T 24 CATAB v2.0f-lin.ifort 2019-Nov-07 03:12:19 2019-Nov-07 03:12
2108-Sep-06 11:19 00:03 Jupiter 1.67627309541922 1.67627221884004 1.67627397200106 1.98936498548909 1.71667439908989 2491239.971568296 2.65331108013997 134.042217251717 16.1029327828919 -75.3896926351616 2657024.4708353 T 24 CATAB v2.0f-lin.ifort 2019-Nov-07 03:12:19 2019-Nov-07 03:12
2119-Mar-24 07:21 00:03 Jupiter 1.61451390656624 1.61451324647542 1.61451456665751 2.32963221006979 2.09234942800929 2495090.806088898 2.98414463733275 89.9066543969353 15.7726184947955 -83.8432616184866 1629106.84536226 T 24 CATAB v2.0f-lin.ifort 2019-Nov-07 03:12:19 2019-Nov-07 03:12
2129-Oct-05 09:16 00:03 Jupiter 1.86111281649623 1.86111116685896 1.86111446613985 3.38343543349442 3.24613662919141 2498938.885982621 3.32850950326704 202.476847542392 19.5453144283629 -71.8871455472716 2795761.59692491 T 24 CATAB v2.0f-lin.ifort 2019-Nov-07 03:12:19 2019-Nov-07 03:12

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