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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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1453347880687801 3.5272e-08  
a 3.226069534127598 1.7936e-08 au
q 2.757209402090016 1.0895e-07 au
i 2.424503080950451 3.8779e-06 deg
node 78.76146090461351 9.9264e-05 deg
peri 34.766816086011 0.00010036 deg
M 141.8047757773522 1.5678e-05 deg
tp 2458166.823865145153
(2018-Feb-17.32386514)
8.9564e-05 TDB
period 2116.45487186531
5.79
1.7651e-05
4.833e-08
d
yr
n .1700957600304128 1.4186e-09 deg/d
Q 3.694929666165181 2.0543e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1590  
   data-arc span      23619 days (64.67 yr)  
   first obs. used      1954-11-23  
   last obs. used      2019-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47958  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:05:36  

Additional Information
 Earth MOID = 1.77418 au 
 Jupiter MOID = 1.4142 au 
 T_jup = 3.170 
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Orbital Elements at Epoch 2456679.5 (2014-Jan-22.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1476351321184046 3.5303e-08  
q 2.744990615472621 1.0971e-07 au
tp 2456051.234421039408
(2012-May-03.73442104)
8.3946e-05 TDB
node 78.77035210659531 9.9218e-05 deg
peri 33.82590058182104 0.00010028 deg
i 2.426677911441628 3.881e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1590  
   data-arc span      23619 days (64.67 yr)  
   first obs. used      1954-11-23  
   last obs. used      2019-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47958  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:05:36  

Additional Information
 Jupiter MOID = 1.4142 au 
 T_jup = 3.170 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.246275649149352E-15 -3.837579028993898E-15 2.086987248320201E-13 -5.470132930542931E-15 3.831907373209305E-14 2.369948073063132E-16
q -3.837579028993898E-15 1.203659803651636E-14 -5.052904529445188E-13 2.094557157598027E-14 -8.881778819213668E-14 -8.667087848227829E-16
tp 2.086987248320201E-13 -5.052904529445188E-13 7.046933675062847E-9 -2.397539354778205E-11 1.250204316697367E-9 -5.100267120655106E-13
node -5.470132930542931E-15 2.094557157598027E-14 -2.397539354778205E-11 9.844203999432272E-9 -9.838738281369352E-9 -6.236318772652715E-12
peri 3.831907373209305E-14 -8.881778819213668E-14 1.250204316697367E-9 -9.838738281369352E-9 1.005512371768228E-8 6.121230028075255E-12
i 2.369948073063132E-16 -8.667087848227829E-16 -5.100267120655106E-13 -6.236318772652715E-12 6.121230028075255E-12 1.506238720528091E-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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