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JPL Small-Body Database Browser
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5508 Gomyou (1988 EB)
Classification: Main-belt Asteroid          SPK-ID: 2005508
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .223217846283827 2.7979e-08  
a 2.843870393851857 1.2565e-08 au
q 2.209067769425907 7.9245e-08 au
i 6.767651472694857 4.2933e-06 deg
node 36.14756544730141 3.293e-05 deg
peri 70.91539700412044 3.5114e-05 deg
M 214.4684528315464 1.2302e-05 deg
tp 2459308.637792128726
(2021-Apr-04.13779213)
6.2513e-05 TDB
period 1751.713701437247
4.80
1.1609e-05
3.178e-08
d
yr
n .2055130354375986 1.362e-09 deg/d
Q 3.478673018277808 1.537e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2244  
   data-arc span      18531 days (50.74 yr)  
   first obs. used      1969-03-12  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46253  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 22:00:21  

Additional Information
 Earth MOID = 1.237 au 
 Jupiter MOID = 1.72934 au 
 T_jup = 3.261 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456713.5 (2014-Feb-25.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2206557985881645 2.8135e-08  
q 2.21923519568976 7.9623e-08 au
tp 2457555.211179119498
(2016-Jun-15.71117912)
5.7555e-05 TDB
node 36.20923425101979 3.2897e-05 deg
peri 70.8574278832631 3.5138e-05 deg
i 6.769062460437678 4.2947e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2244  
   data-arc span      18531 days (50.74 yr)  
   first obs. used      1969-03-12  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46253  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 22:00:21  

Additional Information
 Jupiter MOID = 1.72934 au 
 T_jup = 3.261 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.916015586878103E-16 -2.223366977562262E-15 4.215987396525644E-13 -5.064071485841536E-15 9.191049511177792E-14 1.669518716335672E-16
q -2.223366977562262E-15 6.339900525159741E-15 -9.555185222255527E-13 1.336250203355949E-14 -2.222373412681874E-13 -7.316305512213582E-16
tp 4.215987396525644E-13 -9.555185222255527E-13 3.312537777001554E-9 -2.888919715406851E-11 7.261609890955257E-10 -3.387696542505201E-13
node -5.064071485841536E-15 1.336250203355949E-14 -2.888919715406851E-11 1.082202757017331E-9 -1.080279317804191E-9 -5.323557635160643E-11
peri 9.191049511177792E-14 -2.222373412681874E-13 7.261609890955257E-10 -1.080279317804191E-9 1.234653019092577E-9 5.277675894958699E-11
i 1.669518716335672E-16 -7.316305512213582E-16 -3.387696542505201E-13 -5.323557635160643E-11 5.277675894958699E-11 1.844466588707425E-11

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 12.4   n/a MPO416772  
diameter diameter 15.358 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.802 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.093   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5508 Gomyou           Discovered 1988 Mar. 9 at Oohira.
Gomyou is located in the north of Kakegawa City, where comet C/1994 N1 and nova V475 Sct (2003) were discovered by Hideo Nishimura. Recently many people have visited Gomyou to enjoy watching the stars. The name was suggested by S. Kaneko.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090806/MPCPages.arcLast Updated: 2011-05-09

[ 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
1913-May-20 09:56 00:03 Jupiter 1.77071636025347 1.77071541942859 1.77071730107112 1.04726238425782 0.374243385969626 2419907.914229017 2.74201054050144 7537.97668695663 420.567768372415 3.1696029008707 847187.781908 T 28 CATAB v2.0f-lin.ifort 2019-Dec-13 22:00:36 2019-Dec-13 22:00
1937-Jul-20 07:57 00:02 Jupiter 1.73032267846557 1.73032226348957 1.7303230934416 0.863948928582757 n/a 2428734.830919514 1.88540312440232 47.988490730667 19.9126790481317 -82.5918710760314 12906029.4373307 F 28 CATAB v2.0f-lin.ifort 2019-Dec-13 22:00:36 2019-Dec-13 22:00
1961-Sep-15 05:40 00:01 Jupiter 1.72383379124183 1.72383332671758 1.72383425583741 1.01647117530394 0.22470909885763 2437557.735932946 1.20931247469366 22446.0296650353 1031.16891554433 4.91080184312745 2051729.61841862 T 28 CATAB v2.0f-lin.ifort 2019-Dec-13 22:00:36 2019-Dec-13 22:00
1985-Nov-16 09:06 < 00:01 Jupiter 1.7750252125724 1.77502466130259 1.77502576384433 1.50898045194214 1.15006260415419 2446385.879028722 0.661293174226326 224.566626881495 114.649163558227 48.8894252750015 1513170.71997634 T 28 CATAB v2.0f-lin.ifort 2019-Dec-13 22:00:36 2019-Dec-13 22:00
2010-Feb-03 16:54 < 00:01 Jupiter 1.86474673705356 1.86474621432405 1.86474725978306 2.23500437042225 2.02158008288549 2455231.204055823 0.223443262191022 89.4379667839614 18.8436675287703 -84.3878472016811 1734662.42305554 T 28 CATAB v2.0f-lin.ifort 2019-Dec-13 22:00:36 2019-Dec-13 22:00
2114-Aug-23 12:54 00:02 Jupiter 1.89558851379115 1.89558755826921 1.89558946931061 1.49575110333107 1.15913491149907 2493417.037200202 1.83193341927219 201.687822302753 90.2776813566159 -4.09030550471704 887094.289904281 T 28 CATAB v2.0f-lin.ifort 2019-Dec-13 22:00:36 2019-Dec-13 22:00
2138-Nov-14 10:22 00:02 Jupiter 1.77751521613935 1.77751436210977 1.77751607039467 0.988930293651435 0.157930490722866 2502265.932067057 2.21089733006206 73682.0763552222 1463.2537300018 4.01020226929847 2823946.23220058 T 28 CATAB v2.0f-lin.ifort 2019-Dec-13 22:00:36 2019-Dec-13 22:00
2163-Jan-17 10:14 00:03 Jupiter 1.72351762914057 1.72351705467953 1.72351820360162 0.884510536197903 n/a 2511095.926475004 2.64930046236331 39.6743029048831 28.2242945363037 -79.883711275256 9062801.12040112 F 28 CATAB v2.0f-lin.ifort 2019-Dec-13 22:00:36 2019-Dec-13 22:00
2187-Mar-11 20:43 00:03 Jupiter 1.70715205171713 1.70715166201833 1.70715244144999 1.10812617815477 0.485408423618059 2519915.363405354 3.28749181781949 4256.02874200354 435.056003380789 12.8381702269512 1378273.07219665 T 28 CATAB v2.0f-lin.ifort 2019-Dec-13 22:00:36 2019-Dec-13 22:00

Alternate Designations
 1988 EB = 1948 UK = 1969 EV = 1986 SS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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