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6531 Subashiri (1994 YY)
Classification: Outer Main-belt Asteroid          SPK-ID: 2006531
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1453347879479312 3.5261e-08  
a 3.226069534210878 1.7916e-08 au
q 2.757209402551059 1.0889e-07 au
i 2.424503062767891 3.8769e-06 deg
node 78.76146279466286 9.8398e-05 deg
peri 34.76681414855521 9.9485e-05 deg
M 141.8047757810373 1.563e-05 deg
tp 2458166.823865091206
(2018-Feb-17.32386509)
8.9244e-05 TDB
period 2116.454871947264
5.79
1.763e-05
4.827e-08
d
yr
n .1700957600238264 1.4169e-09 deg/d
Q 3.694929665870697 2.052e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1618  
   data-arc span      23984 days (65.66 yr)  
   first obs. used      1954-11-23  
   last obs. used      2020-07-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4782  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:35:01  

Additional Information
 Earth MOID = 1.77418 au 
 Jupiter MOID = 1.4142 au 
 T_jup = 3.170 
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Orbital Elements at Epoch 2456698.5 (2014-Feb-10.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1476270648947691 3.5293e-08  
q 2.745099741606877 1.0966e-07 au
tp 2456051.280626604997
(2012-May-03.78062660)
8.3532e-05 TDB
node 78.77053134875317 9.8353e-05 deg
peri 33.83764441165853 9.9405e-05 deg
i 2.426659810638022 3.88e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1618  
   data-arc span      23984 days (65.66 yr)  
   first obs. used      1954-11-23  
   last obs. used      2020-07-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4782  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:35:01  

Additional Information
 Jupiter MOID = 1.4142 au 
 T_jup = 3.170 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.245619917005793E-15 -3.834881375138976E-15 2.017366397098509E-13 -5.425216128083651E-15 3.688534495756484E-14 2.373343521652603E-16
q -3.834881375138976E-15 1.20252034830279E-14 -4.753672438859836E-13 2.069100712955125E-14 -8.261159546153858E-14 -8.677674504955353E-16
tp 2.017366397098509E-13 -4.753672438859836E-13 6.977622449141368E-9 -2.313641720799271E-11 1.235551218661517E-9 -5.121733549817965E-13
node -5.425216128083651E-15 2.069100712955125E-14 -2.313641720799271E-11 9.67322084217872E-9 -9.667768695064013E-9 -5.136529879676574E-12
peri 3.688534495756484E-14 -8.261159546153858E-14 1.235551218661517E-9 -9.667768695064013E-9 9.881416006203583E-9 5.022159374029213E-12
i 2.373343521652603E-16 -8.677674504955353E-16 -5.121733549817965E-13 -5.136529879676574E-12 5.022159374029213E-12 1.505452686229741E-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 13.2   n/a MPO473856  
diameter diameter 12.116 km 0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.120   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6531 Subashiri           Discovered 1994 Dec. 28 by T. Kobayashi at Oizumi.
Subashiri is the halfway point on the eastern trail of Mt. Fuji. Its altitude, 2000 m above sea level, makes this place an ideal observation location for amateur astronomers.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030106/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 1994 YY = 1979 HK = 1982 VJ7 = 1988 XD = 1990 FW4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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