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9096 Tamotsu (1995 XE1)
Classification: Main-belt Asteroid          SPK-ID: 2009096
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02174376223420772 3.6403e-08  
a 3.167037221235314 1.6021e-08 au
q 3.098173916909887 1.1567e-07 au
i 6.858709706794152 3.5834e-06 deg
node 70.14893114388508 3.0185e-05 deg
peri 313.3977700054701 8.351e-05 deg
M 180.5335579259216 7.9171e-05 deg
tp 2460026.763611785659
(2023-Mar-23.26361179)
0.00045503 TDB
period 2058.629434968891
5.64
1.562e-05
4.277e-08
d
yr
n .1748736289712287 1.3269e-09 deg/d
Q 3.235900525560741 1.6369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2611  
   data-arc span      11182 days (30.61 yr)  
   first obs. used      1989-11-04  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43071  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:55:06  

Additional Information
 Earth MOID = 2.10738 au 
 Jupiter MOID = 1.87782 au 
 T_jup = 3.192 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457122.5 (2015-Apr-10.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02149804649837753 3.651e-08  
q 3.099456710832873 1.1582e-07 au
tp 2457990.082420149357
(2017-Aug-24.58242015)
0.00045322 TDB
node 70.17024017993704 3.0177e-05 deg
peri 317.4642393855078 8.3989e-05 deg
i 6.859377198264998 3.5837e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2611  
   data-arc span      11182 days (30.61 yr)  
   first obs. used      1989-11-04  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43071  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:55:06  

Additional Information
 Jupiter MOID = 1.87782 au 
 T_jup = 3.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.332965859903109E-15 -4.190018303756533E-15 8.311363582835841E-13 2.561457510138536E-15 1.1054215960084E-13 4.12068351667995E-16
q -4.190018303756533E-15 1.341400845956827E-14 -7.864455810671598E-13 -1.082559019130867E-14 -4.612347866654788E-14 -1.196769616306502E-15
tp 8.311363582835841E-13 -7.864455810671598E-13 2.054111458014524E-7 9.643211421240655E-12 3.553765607669408E-8 -4.238954335631833E-12
node 2.561457510138536E-15 -1.082559019130867E-14 9.643211421240655E-12 9.106779138255751E-10 -9.02377924855015E-10 -2.316776483066246E-11
peri 1.1054215960084E-13 -4.612347866654788E-14 3.553765607669408E-8 -9.02377924855015E-10 7.054211870813484E-9 2.224729700064565E-11
i 4.12068351667995E-16 -1.196769616306502E-15 -4.238954335631833E-12 -2.316776483066246E-11 2.224729700064565E-11 1.284273065412435E-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 12.2   n/a MPO473890  
diameter diameter 13.683 km 0.289 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.164   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9096 Tamotsu           Discovered 1995 Dec. 15 by T. Kobayashi at Oizumi.
Tamotsu Fujii (b. 1947) became interested in astronomy when Sputnik 1 was launched in 1957. Since then he has been an observer of sunspots. He has been a member of the Oriental Astronomical Association since 1960 and president of the Yamashiro Astronomical Association since its founding in 1962.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030806/MPCPages.arcLast Updated: 2003-10-02

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