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6699 Igaueno (1987 YK)
Classification: Main-belt Asteroid          SPK-ID: 2006699
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2010218717800634 1.9734e-08  
a 2.581423163452369 7.8692e-09 au
q 2.062500647278761 5.2722e-08 au
i 4.891086700623159 6.781e-07 deg
node 66.05653751730728 7.3233e-06 deg
peri 299.566452168042 7.9572e-06 deg
M 108.3049597090332 4.8522e-06 deg
tp 2458940.743285887855
(2020-Apr-01.24328589)
1.9524e-05 TDB
period 1514.911390218522
4.15
6.9271e-06
1.897e-08
d
yr
n .2376376614001635 1.0866e-09 deg/d
Q 3.100345679625976 9.4511e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2257  
   data-arc span      25214 days (69.03 yr)  
   first obs. used      1952-05-24  
   last obs. used      2021-06-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50543  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 00:42:30  

Additional Information
 Earth MOID = 1.06562 au 
 Jupiter MOID = 2.37127 au 
 T_jup = 3.391 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456460.5 (2013-Jun-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2035932409306521 1.9852e-08  
q 2.053919221001126 5.316e-08 au
tp 2455913.474431432075
(2011-Dec-17.97443143)
1.8546e-05 TDB
node 66.08330850169642 7.326e-06 deg
peri 299.5525703038029 7.9166e-06 deg
i 4.894502684345278 6.7689e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2257  
   data-arc span      25214 days (69.03 yr)  
   first obs. used      1952-05-24  
   last obs. used      2021-06-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50543  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 00:42:30  

Additional Information
 Jupiter MOID = 2.37127 au 
 T_jup = 3.391 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.940985585107684E-16 -1.048421822630124E-15 -5.565429469751193E-14 -4.646581199686011E-15 2.083560035475309E-14 9.154457319147197E-16
q -1.048421822630124E-15 2.826027664005989E-15 1.042880158928601E-13 1.165075548305795E-14 -5.75952664625667E-14 -2.350880693151265E-15
tp -5.565429469751193E-14 1.042880158928601E-13 3.439704116724517E-10 2.486133986324126E-11 5.939760363947417E-11 1.875928443521368E-12
node -4.646581199686011E-15 1.165075548305795E-14 2.486133986324126E-11 5.367023177120857E-11 -4.531591371444904E-11 4.161613324110427E-12
peri 2.083560035475309E-14 -5.75952664625667E-14 5.939760363947417E-11 -4.531591371444904E-11 6.267257925763286E-11 -3.518418671998174E-12
i 9.154457319147197E-16 -2.350880693151265E-15 1.875928443521368E-12 4.161613324110427E-12 -3.518418671998174E-12 4.581790404798005E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.09   n/a MPCxxxxx  
diameter diameter 5.944 km 0.210 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.315   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6699 Igaueno           Discovered 1987 Dec. 19 by T. Seki at Geisei.
Named for a small town in Mie prefecture. A branch of the Oriental Astronomical Association was inaugurated there around the time this minor planet was discovered.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19980610/MPCPages.arcLast Updated: 2009-11-17

Alternate Designations
 1987 YK = 1980 BT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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