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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02174376180525342 3.6389e-08  
a 3.167037220159299 1.5944e-08 au
q 3.098173917215783 1.1566e-07 au
i 6.858710106774508 3.5646e-06 deg
node 70.14893576539177 2.9893e-05 deg
peri 313.3977725221953 8.2777e-05 deg
M 180.5335512095218 7.8579e-05 deg
tp 2460026.763649669804
(2023-Mar-23.26364967)
0.00045175 TDB
period 2058.629433919748
5.64
1.5546e-05
4.256e-08
d
yr
n .1748736290603499 1.3206e-09 deg/d
Q 3.235900523102814 1.6291e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2670  
   data-arc span      11230 days (30.75 yr)  
   first obs. used      1989-11-04  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42809  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:04:25  

Additional Information
 Earth MOID = 2.10738 au 
 Jupiter MOID = 1.87782 au 
 T_jup = 3.192 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457191.5 (2015-Jun-18.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02144416776266773 3.6499e-08  
q 3.099874447530419 1.1583e-07 au
tp 2457989.186844147129
(2017-Aug-23.68684415)
0.0004508 TDB
node 70.17056848683117 2.9886e-05 deg
peri 317.2927085078245 8.3417e-05 deg
i 6.859149425132422 3.5647e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2670  
   data-arc span      11230 days (30.75 yr)  
   first obs. used      1989-11-04  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42809  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:04:25  

Additional Information
 Jupiter MOID = 1.87782 au 
 T_jup = 3.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.332199992946462E-15 -4.189736042026868E-15 8.9259230816692E-13 1.943261813843582E-15 1.222954115599224E-13 3.599543897579852E-16
q -4.189736042026868E-15 1.341767871204747E-14 -8.849267593901966E-13 -8.805279027816151E-15 -6.591126809660411E-14 -1.045013819013305E-15
tp 8.9259230816692E-13 -8.849267593901966E-13 2.032189909796568E-7 9.773899159231359E-12 3.512209758916111E-8 -3.968461803265553E-12
node 1.943261813843582E-15 -8.805279027816151E-15 9.773899159231359E-12 8.931922375694137E-10 -8.849852113561472E-10 -2.469674372029273E-11
peri 1.222954115599224E-13 -6.591126809660411E-14 3.512209758916111E-8 -8.849852113561472E-10 6.958468593671562E-9 2.381654647507559E-11
i 3.599543897579852E-16 -1.045013819013305E-15 -3.968461803265553E-12 -2.469674372029273E-11 2.381654647507559E-11 1.270734484440906E-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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