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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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08500480428780591 2.5197e-08  
a 2.19608937670417 5.138e-09 au
q 2.009411229038902 5.3892e-08 au
i 1.980922348867077 2.2886e-06 deg
node 92.92086181312798 9.9876e-05 deg
peri 147.580379496165 0.00010174 deg
M 56.81100846258198 1.9694e-05 deg
tp 2458812.912696185015
(2019-Nov-25.41269619)
6.5003e-05 TDB
period 1188.703232013094
3.25
4.1716e-06
1.142e-08
d
yr
n .3028510315315054 1.0628e-09 deg/d
Q 2.382767524369438 5.5747e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3216  
   data-arc span      25429 days (69.62 yr)  
   first obs. used      1951-04-03  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43277  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:17:49  

Additional Information
 Earth MOID = .997021 au 
 Jupiter MOID = 2.6097 au 
 T_jup = 3.663 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457180.5 (2015-Jun-07.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08501348937936062 2.5212e-08  
q 2.008851872234678 5.3919e-08 au
tp 2457623.993411770754
(2016-Aug-23.49341177)
6.4921e-05 TDB
node 92.93751629919949 9.9852e-05 deg
peri 147.492216321481 0.00010171 deg
i 1.981245674267898 2.2891e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3216  
   data-arc span      25429 days (69.62 yr)  
   first obs. used      1951-04-03  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43277  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:17:49  

Additional Information
 Jupiter MOID = 2.6097 au 
 T_jup = 3.663 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.356686795356022E-16 -1.35493209660573E-15 -5.28658461656621E-13 -3.328570664144692E-15 -1.725631729824375E-13 1.218656995182351E-17
q -1.35493209660573E-15 2.907232243982242E-15 1.152648587965765E-12 7.556216389584576E-15 3.732846169389185E-13 -1.184778608253388E-17
tp -5.28658461656621E-13 1.152648587965765E-12 4.214791267725136E-9 1.551463212224475E-11 1.269561383803613E-9 -3.260530817581338E-13
node -3.328570664144692E-15 7.556216389584576E-15 1.551463212224475E-11 9.970337727380614E-9 -9.959380326153256E-9 1.28184283413455E-11
peri -1.725631729824375E-13 3.732846169389185E-13 1.269561383803613E-9 -9.959380326153256E-9 1.034471057214015E-8 -1.291303653153016E-11
i 1.218656995182351E-17 -1.184778608253388E-17 -3.260530817581338E-13 1.28184283413455E-11 -1.291303653153016E-11 5.23984553958416E-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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