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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
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

[ 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
1999-Jul-09 12:52 < 00:01 Jupiter 1.82415407087406 1.82415356993095 1.82415457181707 3.0570628328452 2.9011995535115 2451369.035798809 0.426162270401013 43.6032833790251 15.9885803907277 87.7578629143693 2653165.14767537 T 21 CATAB v2.0f-lin.ifort 2020-Nov-13 03:35:05 2020-Nov-13 03:35
2010-Jul-29 23:22 < 00:01 Jupiter 1.57382979536623 1.57382933737197 1.57383025336021 1.86889813812516 1.55447623472332 2455407.473613281 0.256869106027633 69.6233505450683 27.8325560415428 83.2169401461071 2116146.86004716 T 21 CATAB v2.0f-lin.ifort 2020-Nov-13 03:35:05 2020-Nov-13 03:35
2021-Sep-30 09:48 < 00:01 Jupiter 1.43358123370988 1.43358083333217 1.43358163409005 1.26973191947998 0.6561491005165 2459487.908213595 0.373257955058126 569.056969441718 224.631574949754 21.858366688886 2233249.27542194 T 21 CATAB v2.0f-lin.ifort 2020-Nov-13 03:35:05 2020-Nov-13 03:35
2033-Jan-03 12:57 < 00:01 Jupiter 1.41931312092576 1.4193126923102 1.41931354956537 1.14257432741437 0.334528452361378 2463601.039324123 0.767689175442336 4037.65716602774 563.860839130424 12.1596827910339 3011902.18476221 T 21 CATAB v2.0f-lin.ifort 2020-Nov-13 03:35:05 2020-Nov-13 03:35
2044-Apr-03 13:28 00:01 Jupiter 1.52663416881817 1.52663340429091 1.52663493334412 1.38143123189289 0.893695778071763 2467709.060851763 1.29279807810085 282.330430321521 105.293725652957 21.2294311682176 1652537.85916199 T 21 CATAB v2.0f-lin.ifort 2020-Nov-13 03:35:05 2020-Nov-13 03:35
2055-Jun-04 03:00 00:02 Jupiter 1.73525944698104 1.7352582096088 1.73526068435181 1.99963321341543 1.73847178371545 2471787.624743310 1.82393129950225 53.5765158824435 12.6919603372519 87.3142932761539 1062557.52745595 T 21 CATAB v2.0f-lin.ifort 2020-Nov-13 03:35:05 2020-Nov-13 03:35
2166-Feb-14 10:58 00:04 Jupiter 1.88075575095191 1.88075320744605 1.88075829445692 3.30829394948368 3.16924015511749 2512219.957182799 3.87357949468298 113.60248693133 34.5418890392171 36.7764131505567 999792.95578559 T 21 CATAB v2.0f-lin.ifort 2020-Nov-13 03:35:05 2020-Nov-13 03:35
2177-Mar-01 22:50 00:04 Jupiter 1.60537917790548 1.60537708338347 1.60538127242246 2.03390483413207 1.75543111509049 2516253.451453214 3.79966982403179 93.1341842539985 31.8517650007087 -69.7809082062719 650450.531222818 T 21 CATAB v2.0f-lin.ifort 2020-Nov-13 03:35:05 2020-Nov-13 03:35
2188-Apr-26 00:34 00:04 Jupiter 1.42762922218681 1.42762817156227 1.42763027280673 1.31242015614683 0.732005819191342 2520326.523752038 3.52226925218162 973.336575854275 233.651481385931 8.96738079556205 841700.86200316 T 21 CATAB v2.0f-lin.ifort 2020-Nov-13 03:35:05 2020-Nov-13 03:35
2199-Jul-30 21:17 00:04 Jupiter 1.38538467584677 1.3853841778285 1.38538517386667 1.10206423065106 n/a 2524439.386950647 3.63509396753336 125.685343110097 19.6931598843458 82.9990701743726 10443817.1637157 F 21 CATAB v2.0f-lin.ifort 2020-Nov-13 03:35:05 2020-Nov-13 03:35

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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