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4508 Takatsuki (1990 FG1)
Classification: Main-belt Asteroid          SPK-ID: 2004508
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08500479501057054 2.9347e-08  
a 2.196089377974326 5.5669e-09 au
q 2.009411250574727 6.4263e-08 au
i 1.980925066568697 2.6579e-06 deg
node 92.92079055817393 0.00010654 deg
peri 147.5804534076208 0.00010841 deg
M 56.81100465294931 2.0458e-05 deg
tp 2458812.912708601502
(2019-Nov-25.41270860)
6.7453e-05 TDB
period 1188.703233044363
3.25
4.5199e-06
1.237e-08
d
yr
n .3028510312687648 1.1515e-09 deg/d
Q 2.382767505373925 6.0401e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2901  
   data-arc span      25323 days (69.33 yr)  
   first obs. used      1951-04-03  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44779  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:16:31  

Additional Information
 Earth MOID = .997021 au 
 Jupiter MOID = 2.6097 au 
 T_jup = 3.663 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456753.5 (2014-Apr-06.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08501933341258346 2.9315e-08  
q 2.008905172433006 6.4125e-08 au
tp 2456436.333557729991
(2013-May-23.83355773)
6.6875e-05 TDB
node 92.93828322141677 0.0001065 deg
peri 147.6445957064844 0.00010836 deg
i 1.981293992698882 2.6589e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2901  
   data-arc span      25323 days (69.33 yr)  
   first obs. used      1951-04-03  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44779  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:16:31  

Additional Information
 Jupiter MOID = 2.6097 au 
 T_jup = 3.663 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.593886423652223E-16 -1.874054096480126E-15 -7.809889182824698E-13 -8.22862309920461E-16 -2.28832400616938E-13 -1.251378086459915E-16
q -1.874054096480126E-15 4.112039203061928E-15 1.711206632761323E-12 2.241164045400109E-15 5.023097070411882E-13 2.830144304499538E-16
tp -7.809889182824698E-13 1.711206632761323E-12 4.472202751457097E-9 -7.199277327519178E-12 1.353770388455455E-9 5.497436397850574E-13
node -8.22862309920461E-16 2.241164045400109E-15 -7.199277327519178E-12 1.134213412989743E-8 -1.133727969946323E-8 -3.516382260359845E-11
peri -2.28832400616938E-13 5.023097070411882E-13 1.353770388455455E-9 -1.133727969946323E-8 1.174292658165447E-8 3.531169432670614E-11
i -1.251378086459915E-16 2.830144304499538E-16 5.497436397850574E-13 -3.516382260359845E-11 3.531169432670614E-11 7.069540225463541E-12

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 13.7   n/a MPO473828  
diameter diameter 4.567 km 0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.325   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4508 Takatsuki (1990 FG1)          Discovered 1990-Mar-27 by Endate and Watanabe at Kitami
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1990 FG1 = 1951 GD = 1980 DM3 = 1981 QA2 = 1983 AM1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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